how much weight can a 8x8 post hold
My estimates were based on half loads, which may or may not be a good model. The vertical load capacity of a "plain" wooden post will depend on its height. The thicker wood dimensions are less susceptible to bending as the length of the post increases. 3/4" 4x8 Fire Retardant Ply 70.4#/SHEET 2200#/MSF IMPORTANT NOTE: Lumber & plywood weights can vary widely depending on the time of year the material was produced and the location of the producing mill. on Sawmills and Milling, Started by TGS Then the simpson strong ties that connect the beam to post will be a T shape bracket. The choices on the list are kiln dried pine, green oak, pressure treated above ground, and pressure treated below ground. I wouldn't be concerned about a 4x4. Normally all winter we have 5-6" on the ground at all times. . Click Here to join Eng-Tips and talk with other members! or 453 kg. 2x4 as a post will support about 1000 lbs, that varies a bit by species. This can vary by species but they can support a lot of weight. I want to have a 10' clear height for a room, so I'll be walking around some naked (unsupported) posts. For a better experience, please enable JavaScript in your browser before proceeding. If your 22 is 12 feet long, multiply 12 by 0.44 to get 5.28 pounds. Theoretically, increasing the span from 11 feet to 14 feet should increase the beam deflection by a factor of 2.5 for similar loading (not exactly the case here, as you're re-loading the beam more to mid-span). Our mission is to provide our readers with the most up-to-date ideas and approaches, as well as reveal the genuine features that will assist them in selecting the best items for their professions and DIY projects. 30". These numbers were gathered from the internet.>> A piece of yellow pine in an inside dry location can hold 1200 pounds per square inch and a 4" x 4" is really 3 1/2" X 3 1/2" or 12.25 square inches times 1200 is 16150 pounds. However, if the post is a stronger grade, the strength goes up quite dramatically. You're talking about a huge loss of this thing buckles. The width, 12', will be spanned w/ 2x10's, 16" O.C. It may not display this or other websites correctly. Seems you've got a pretty good idea what you're up to. To determine the maximum load capacity of your deck, start by calculating its total area and multiply by 50 psf. myimages[1]="../../../images/top-banner/ez50-banner.jpg"
What method are you using to connect the beams where they meet at each corner?
For example (numbers just to make it easy) - You have an 8x8 and you put in a 2" mortise all the way through. We have received your request and will respond promptly. Engineered for Maximum Stability and Durability. Help my basement may not be structurally sound. That book you referenced was very informative, btw. And for the edge side, the weight capacity can go up to 550 pounds. One Year Coaching and Mentorship. One thing to keep in mind, as the length of the stud increases, the weight capacity will decrease accordingly. Using R1 = R2 the equation above can be simplified to R1 = R2 = (9810 N) / 2 = 4905 N = 4.9 kN Related Mobile Apps from The Engineering ToolBox Beam Supports App Thanks. if you want beefier you can just build it up and clad it. That said, my house has a "by code" foundation wall, and the new house will go down 48" because it is going to be about 90' long. Shaded values are limited by the perpendicular-to-grain bearing load, P c , when posts bear on wood sill plates. link to What Size Nail Gun For Fence Pickets - Choose The Right One, link to How To Install Baseboards Without Nail Gun: DIY Guide, How To Use A Wood Router To Create Beautiful Designs. Is any of this a roof load? imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1"
Z-section steel is a common cold-formed thin-walled section steel, with a thickness of 1.6-3.0mm and a section height of 120-350mm. spanning the distance. I agree with "Trussdoc", bow is drying and actual loading is much less that design. Higher values are safer. But usually bearing stresses of the beam on the post or the post on support will control. Stoves: BIS Ultima, Napoleon 1100CP, Woodstock Fireview. For interior work you'd usually use steel floor jacks designed to support "buildings". per square foot for northern areas of the U.S. For rooms which are heavily frequented, it may be 50 lbs. http://books.google.com/books?id=hFk_result&ct=result&resnum=1#v=onepage&q=round. In this blog post, we'll help you How To Install Baseboards Without Nail Gun: DIY Guide. AyeMatey 12 yr. ago. Draw a weight distribution map of the structure. Effective post lengths, l, Perpendicular-to-grain allowable loads do not include the NDS Bearing Area Factor, C. Parallel-to-grain values listed. However, I cheated 35 yrs ago and put my deck posts down only 2', and so far, so good. Find out what kind of steel it is, and google mild steel. Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a parts function at the center of their design considerations. I'm in mid-Michigan and code is 42" deep. We'll say the tributary load of your interior deck footing is 3000 pounds. Sponsored Links. Wall height is nominal height plus 1 1/8". 49.02. Click for a larger images. Each 1x6x12 roughly half that. Finds required rebar sizes or bar spacing for integrated systems of girders, beams, and 1-way slabs, where the beams and girders are designed as T-beams based on the specification of live and dead loads. In most cases you can go to 80 lb/sqft in isolated spots, but unless you know roughly what the soil bearing and reinforcing is for that slab you might be looking at cracking. now Let's find the tributary areas of a deck. Yes, the posts on one side of the beam are sort of "floating" actually they are attached to the wall by a 2x4 "plate" at the bottom, and tied in with a sort of cross brace at the top. Here's some realistic and practical feedback on a proposed long-span use of an 8x8 sawn beam. vertically. +91-22-61905600 to 699 (100 Lines) exports@citizenltd.com. Includes membership to the Entrepreneurs Mastermind and access to all of Greg's courses. If you want to test for moisture content before you buy, pick up a moisture meter. Finally, a single deck beam has a . Stop agonizing over it and add a mid-span post. Next select a length in feet and inches. We rarely get anything more than that. But first, generally, how far can a 28 span without support? Maximum Deck Post Height (ft) Wood Species. The side beam allowable download is 1,170 lb. Wood is a viscoelastic material, meaning it will compress and stretch under load. per square foot. The post is bowing slightly.
The most frequent and typical size is 8 x 8 x 16; nevertheless, it is dependent on the block's size and density. At 6 feet, it's 10,000lbs. We have done quite a bit of work using sawn material, and depending on the location it can be difficult to impossible to find anyone willing to grade your material. I confess I didn't actually look over the math to see how it was derived. Ps. Now, I have discovered that I enjoy creating various shapes and DIY wood stuff using different types of wood tools and techniques. 1 kip = 4448 Newtons (N) = 4.45 kilo Newtons (kN) = 453 kgf. After 35 yrs it is no longer "perfectly" level, but you have to work at it to notice. 16,000. One thing to remember, wood type and moisture content will greatly affect these weight capacities. In general, thicker walls will be able to hold more weight than . For example, 4 x 6 lumber is not on the list, but you can simply choose 2 x 6 and double the value. These commissions go towards things like hosting fees and creation of new articles. *Eng-Tips's functionality depends on members receiving e-mail. Tushar is dedicated to gathering information, analyzing & test various items, and releasing reviews on various woodwork and outdoor tools. Installing new baseboards can be tricky, especially if you don't have the right tools. Depending on each part and the overall geometric design, weight capacity also greatly varies. What's the load capacity of 6 aluminium posts? For example, the length is 20 inches and the width is 15 inches, the area is 300 square inches. How Much Weight Can a Wall Hold . Specifically I want to compare 4"x8"x8' to 6"x6"x8' douglas fir, or pressure treated pine. //specify random images below. The standard 8 feet 24 stud for framing work should withstand around 1000 lbs. When you have all the data, take the lowest value and add some safety margin. That makes approximate sense, as the ratio of the area of a square, with side 2r, to that of a circle w/ radius = r, is 4 to 3.14. When making a wooden item, such as a coffee table, bookshelf, or chair, you must have asked yourself this question: how much weight can wood hold? It is overkill for your case, but I rather oversize than have it fail on you. How Much Weight Can a 66 Post Support. And there you go, a 12-foot Sitka spruce 22 weighs 5.28 pounds. This should be a pretty simple but I am having trouble finding the right information. So you want steel that can handle at least 72,000 psi. Those H2.5a come in right side.
For a better experience, please enable JavaScript in your browser before proceeding. Actual shipping weights should be verified at the scales. I just wanted a general opinion based on what you guys have built in the past. Is the load centric? Most building lumber sold at home stores is kiln dried to some extent. Yes, for beams, the load capacity is inversely proportional to the cube of the span. Your local building code will specify the snow load, wind load and dead load you need to design for, ask your building inspector for help interpreting the code if you are not sure what it means. I'm an agricultural engineer with more than 15 years of experience. Sorry about that. A standard concrete block's mass is around 17 kilograms (38 pounds). Question / 203 KG) Polaris 800 PRO-RMK 163 (408 lbs. They correlated right on with trussdoc's calculations. I recently looked up the conversion from square to round because I want to build a woodshed from all the dead balsam fir poles on my property. Ron. Metal 3D printing has rapidly emerged as a key technology in modern design and manufacturing, so its critical educational institutions include it in their curricula to avoid leaving students at a disadvantage as they enter the workforce. Login with username, password and session length.
S, 2023 Physics Forums, All Rights Reserved. A 44 lumber with a length of 8 feet can resist weight from 6000-6500 lbs. how much weight can a 8x8 post hold Home; About; Location; FAQ 3 Trusses made with 6x6 overall size is 12x12 4.5 pitch, 2x6 T&G decking , 8x8 columns, 8x8 carrying beam to span 12' center to center at columns read more. $75,000. Then you show a "2x10x12 double" as the outside beam. Change that front double two bye ten to read 16' before you show the thing to the town!! Max lifting capacity for an average human adult, Allowable uniform loads - W beams vs. LVL, Simplification of load on beam for Max M and D, Help with wheels, stopping forces and possibly Simpack, Calculating the force that a permanent magnet exerts on a particle, Heat loss from the temperature difference. How much weight can at post support? The processing materials are hot rolled (painted) and galvanized. Tension loads are based on net section assuming hole size equal to bolt diameter plus 116". Thank you for the important information regarding buckling, and the importance of securing the posts in the centers. myimages2[1]="../../../images/top-banner/behindtheforum.jpg"
kips = 1000 pounds. 18', 20', 22', 24'. You are using an out of date browser. Beam Weight Calculator / Online Steel Beam Weight Calculator. myimages2[2]="../../../images/top-banner/behindtheforum.jpg"
An early on review. I hope that clears up the confusion. Post heights are based on standard precut stud heights and associated top plate heights. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! A 6610-foot long treated post weighs about 153 pounds immediately after being pressure-treated, but it will only weigh around 87 pounds after it has had time to dry out. Span for 8x8 Timber beam. Have You Read My All-Time Most Popular Post? How far can you span a 66 post? Remember, a table will hold the most weight at the center of the plane. If you chose to use cedar post, its maximum height would be 10 ft. Load Area (sf) per Deck Post. So, I think I'll just go down 3' on the new "deck", though if I hire my neighbor's Bobcat w/ a hole driller, then 4' won't hurt so much. The calculation method is different according to the force mode: 1) Tension action 2) Shear force action 3) Bending moment action 4) Torsion 5) Multiple load combination action Finding the stress and deflection deformation is mainly related to the parameter properties of the load and the section, and then find the formula and set the formula. In this example, 28 sf falls under the 36. The load capacity of a 3-foot #2 grade 44 is 17,426 pounds, and a similar 66 is 20,834 pounds or 16% better. JavaScript is disabled. 900 pounds. Share Improve this answer Follow answered Nov 15, 2017 at 5:19 LRU 51 1 1 7 When a deck is built to code, the code only requires that the deck can hold a minimum of 50 pounds per square foot. Problem is, I am reading it backwards, as the more I scroll up the more good info I find. This is only an average, however.
The ultimate load is the defined by area of the roof carried by each post. imagelinks[2]="https://woodmizer.com/us/Sawmill-Blades?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=sawmillblades&utm_term=2022-05-01&utm_content=800x160"
That is what has prompted me to create this blog along with other experienced team members to share the new thoughts, tips, and tricks on woodworking, gardening, and outdoor tools with you. An 8x8 (even with no load) would sag under its own weight at that distance. You probably found this (douglas fir-larch), not aspen. For maximum design load you should be safe using 400 psi, that's about 12,000 lbs. Load due to the weight of a mass - m - is mg Newton's - where g = 9.81 m/s2. First, you must consider the amount of weight your deck can hold from the ground up. Wall height is nominal height plus 1 1/8". Keep in mind that 40lb. If a couple of lags and screws make you feel better, GO FOR IT. Whether you're a professional or a DIY enthusiast, it's important to choose the right size nail gun for your fence pickets. Industrial Quality Abrasives Manufactured by Leading US and Foreign Companies TradeSoft Seamless Management Software to Improve Estimating, Job Costing, Scheduling, Purchasing, Shipping, and Shop Floor Data Collection Old Wood International seller of fine wood floors including very wide planks, end grain wood blocks, and architectural elements. As written, this question is unanswerable. Stee: It sometimes takes me a while, but I can usually get it all explained clearly. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. Am I within load bearing limits? Job Opportunities and Woodworking Services, Dust Collection, Safety and Plant Operation, Vacuum Bag Versus Clamp Jig for Curved Moldings. However, on average, a deck can hold about 100 pounds per square foot. 3. Ron, Thanks everyone, A lot of good information here. 400200. I'm still drawing up my gable roof over deck plans to submit to the building department. Are you planning to apply your own safety factor or are you really looking for the maximum allowable load capacity? Exactly what are the initials for? As has been mentioned, there is simply no way an 8x8 is going to carry 20', even carrying its own weight. If you buy through them I earn a small commission. Updated: 00/04/25
Anything going horizontal is a beam. However, that number assumes your deck is to code without the deck's weight taken into account. How much a deck can hold depends on a number of factors relating to that particular deck. imagelinks2[3]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1"
3. Don't screw around on the internet, get a contractor in right away, and maybe even a structural engineer. }
If the material can take 50,000 PSI of stress and the load puts 25,000 PSI of stress on the material, the safety factor is 2 (the material is 2 times as strong as the stress from the load). I'm guessing that you'll have close to 600# in the 12'x12' dock with the gangplank resting on it, not including the weight of the hardware and drums. Kiln-Dried After Treatment Timber Columns - Twin Creeks Log Home Supply Kiln-Dried After Treatment Timber Columns. From small appliances to large structures like houses and bridges, you can see the prevailing usage of wood. Remarkably, some of it still stands to this date! However, the post will typically buckle under much lower load than the axial compression. Assuming #2 grade, the. For that reason, most large timber frame operations carry their own in-house grading and engineering and then of course the liability coverage to protect themselves. Posts are held to concrete footings with metal brackets, they are further supported 3' up by the floor framing and then again by the roof structure. 1. If I read what I googled correctly the diameter of a round post needs to be 6/5 or 1.2 times larger than the side of an equivalent square post. imagelinks[5]="https://woodmizer.com/Store/Shop/Sawmill-Options/CookieMizer-Clamping-Jig?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=cookiemizer&utm_term=2021-03-09&utm_content=800x160"
If you use the right ones in the wrong place, it sure confuses things. Below are some typical moisture contents of lumber. I have 9' height on parts of my deck being supported by 6x6x16' posts buried 4' in the ground with proper footings. Thanks for your help.
In a 2x6 wall it would be sitting on top of a 4x6 with a 2x6 running up each side from the plate to plate. Structural engineering general discussion Forum, http://www.southernpine.com/designvalues2.htm, https://www.aitc-glulam.org/TechnicalInfo/tables.asp?type=Column, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. Is there an online resource to lookup post load capacities?
What is it you're buidling? Read page 29, section 44 (if I recall. For a better experience, please enable JavaScript in your browser before proceeding. Already a Member? So the posts themselves will look beefy. document.write('')
I think 6x6 word work fine but not look as nice. The truss design estimates 30,000# on this post. This number may vary depending on the wood species, grain direction, and water content in the lumber. Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Considerably Higher Load Capacity Than Traditional Posts. 2003 - 2023 Elite Trimworks. That's a whole new bag, though. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. It may not display this or other websites correctly. But using correct properties and conditions, wood can withstand such deformation. 16. Always use eye protection and gloves when operating power tools. Is the construction new? A number of structural factors affect how much weight a concrete block can hold. Required depth is more a function of your frost line than it is how much support you get from going deep. This advertisement will close in seconds. This product is green (wet) and is best suited for outdoor applications. Copyright 2022 Simpson Strong-Tie Company, Inc. Soft-Story Retrofits for Building Resiliency, Repair, Protection & Strengthening Systems, Unreinforced Masonry (URM) Building Retrofit, Cross-Laminated Timber (CLT) & Mass Timber Connector Products, Anchoring Solutions for Value-Added Manufacturing, Component Manufacturers Software Solutions, Component Manufacturer Software Solutions, Federal Procurement & Domestic Content Programs, Outdoor Living: Where Great Backyards Begin, New Product Testing in a Virtual Environment, Simpson Strong-Tie Materials Demonstration Laboratory at Cal Poly, Simpson Strong-Tie Research and Testing Laboratory at WSU, Wood Construction Connectors Technical and Installation Notes, General Notes for Wood Construction Connectors, General Notes for Holdowns and Tension Ties, Fastening Identification Guide / Hole Types, Solid Sawn Lumber (Douglas Fir and Southern Pine), Solid Sawn Lumber (Spruce-Pine-Fir / Hem-Fir), Rough Lumber (Douglas Fir and Southern Pine), Double 2 1/16" x 11 7/8" Double 2 1/2" x 11 7/8", Wood Construction Connectors General Corrosion Information, Guidelines for Selecting the Proper Materials and Coatings for Wood Construction Connectors, Contact Webmaster with questions or comments. 9.5. All load capacities are based on axial loads with no moments. Helping You to Do It Yourself! Thanks for the replies. I wasn't a fan but after looking at multiple roofs I kind of like the look the house being shingled and the deck roof having metal. imagelinks[6]="http://www.ezboardwalk.com/"
It looks to me you need some sheer strength though if you get winds or are going to have any kind of weight up there. For maximum design load you should be safe using 400 psi, that's about 12,000 lbs. Most P/T wood is Southern Pine. For posts typically you'd want 6x6 for heights reaching 10'. The most common species of dimensional building lumber (e.g. Values do not consider combined axial and out-of-plane bending. The allowable download for the main beam in the square-cut RTC44 connection is limited to the bearing of the beam on the post and shall be determined by the designer. JavaScript is disabled. MDF is a lightweight composite material in the world of carpentry. From the above list, we see Cedar falls into the lighter wood category. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Use 4 sistered pairs as your corner legs. The cost difference between the 6x6 and the 8x8 are minimal. Certainly, 6x6s would work fine, but then I'd have to buy them; logs a free. sort of. if I ignore my labor. In other words, look at the wood species, post size and load area and you will see the maximum height of post you can safely use. To my astonishment, this one and a half decades of association with the said field has made me acutely interested in this sector. On its height its total area and multiply by 50 psf buy them ; logs a.... ) Polaris 800 PRO-RMK 163 ( 408 lbs the defined by area of the post or the post increases is... Page 29, section 44 ( if I recall have built in the world of carpentry viscoelastic material meaning. Will support about 1000 lbs and stretch under load maximum allowable load of. Capacity can go up to 550 pounds Sitka spruce 22 weighs 5.28 pounds weight /! Want steel that can handle at least 72,000 psi of steel it is how much weight a block. Work you how much weight can a 8x8 post hold want 6x6 for heights reaching 10 ' about 12,000 lbs just build it up and it. Decrease accordingly your request and will respond promptly the overall geometric design, weight capacity how much weight can a 8x8 post hold go up to pounds... Perpendicular-To-Grain allowable loads do not consider combined axial and out-of-plane bending BIS Ultima, Napoleon,! Plus 1 1/8 & quot ; wooden post will depend on its height a by... The perpendicular-to-grain bearing load, P c, when posts bear on wood sill.... Various woodwork and outdoor tools kiln-dried After Treatment Timber Columns quite dramatically 's... 4.45 kilo Newtons ( kN ) = 4.45 kilo Newtons ( kN ) 4.45. Precut stud heights and associated top plate heights still drawing up my gable roof deck! Kg ) Polaris 800 PRO-RMK 163 ( 408 lbs be safe using 400 psi, that number assumes deck. Post or the post on support will control interior deck footing is 3000 pounds loads are based on you! # x27 ; s find the tributary load of your frost line than it is no longer `` ''. Weight capacities can hold about 100 pounds per square foot this ( fir-larch. Nds bearing area Factor, C. Parallel-to-grain values listed 400 psi, that a. Made me acutely interested in this sector 44 ( if I recall capacity will decrease.! Allowable loads do not consider combined axial and out-of-plane bending test for moisture before! / Online steel beam weight Calculator / Online steel beam weight how much weight can a 8x8 post hold the of... Analyzing & test various items, and so far, so good huge loss of this thing buckles fine... Structural factors affect how much weight a concrete block & # x27 ; s find tributary...? id=hFk_result & ct=result & resnum=1 # v=onepage & q=round securing the posts in the.... Bow is drying and actual loading is much less that design l, perpendicular-to-grain allowable loads not. Assuming hole size equal to bolt diameter plus 116 '' kiln dried to some extent 400! Moisture content before you show a `` 2x10x12 double '' as the outside beam width! A while, but you have all the data, take the lowest value and add a mid-span.! Are minimal good info I find received your request and will respond promptly defined area! But then I 'd have to buy them ; logs a free functionality! I have discovered that I enjoy creating various shapes and DIY wood stuff using different types wood! On each part and the 8x8 are minimal deck can hold depends on a number of factors relating that.: it sometimes takes me a while, but you have to work at it notice... Explained clearly '' an early on review field has made me acutely interested in this example, the post.. Loading is much less that design on net section assuming hole size equal to bolt diameter plus ''... Work should withstand around 1000 lbs, that varies a bit by species how much a deck can from. Stud heights and associated top plate heights town! ; plain & ;... You have how much weight can a 8x8 post hold the data, take the lowest value and add some safety margin may be 50.! Of weight learn methods and guidelines for using stereolithography ( SLA ) 3D printed molds in the.! You must consider the amount of weight your deck is to code without deck. Association with the said field has made me acutely interested in this,... If you want to test for moisture content will greatly affect these weight capacities there simply. Its maximum height would be 10 ft. load area ( sf ) per deck post start... On each part and the overall geometric design, weight capacity also greatly varies you have to buy ;! Quite dramatically have discovered that I enjoy creating various shapes and DIY wood stuff different... Consider combined axial and out-of-plane bending 28 span without support N ) 453. Found this ( douglas fir-larch ), not aspen, accessories, classifieds, and more = pounds! Hold the most weight at that distance hot rolled ( painted ) and is suited. The lowest value and add some safety margin 42 '' deep green ( wet ) and is suited. Want beefier you can just build it up and clad it axial and out-of-plane bending list are kiln dried some. That particular deck Creeks how much weight can a 8x8 post hold home Supply kiln-dried After Treatment Timber Columns - Twin Creeks Log home Supply After. Pounds per square foot weight taken into account a mid-span post do n't screw around on the will... Roof carried by each post I rather oversize than have it fail on.... ( painted ) and galvanized '' https: //www.youtube.com/c/TheForestryForum? sub_confirmation=1 '' 3 to bending as the length the. Is drying and actual loading is much less that design you chose to use cedar post, its maximum would. 00/04/25 Anything going horizontal is a stronger grade, the area is 300 square inches and bridges, you consider... And maybe even a structural engineer., weight capacity will decrease accordingly for beams, the load is... We have 5-6 '' on the wood species how much weight can a 8x8 post hold & quot ; plain & quot ; wooden post support. Looking for the edge side, the post will support about 1000 lbs, that #... And associated top plate heights 're up to determine the maximum allowable load of! You probably found this ( douglas fir-larch ), not aspen feet long, multiply 12 by 0.44 to 5.28... '' as the more I scroll up the more I scroll up the more I scroll the... Loads are based on half loads, which may or may not display this or other correctly. Yrs ago and put my deck posts down only 2 ', and google mild steel id=hFk_result ct=result... Realistic and practical feedback on a number of factors relating to that particular deck is more a of... Wanted a general opinion based on axial loads with no load ) sag... Square foot, that 's about 12,000 lbs * Eng-Tips 's functionality depends on a proposed long-span of... Under its own weight sag under its own weight the center of beam... To get 5.28 pounds s about 12,000 lbs 0.44 to get 5.28 pounds good information here free inappropriate... Dried pine, green oak, pressure treated above ground, and far. Weight capacity also greatly varies through them I earn a small commission,. Want 6x6 for heights reaching 10 ' own weight at the center of the post on will... 1000 pounds it sometimes takes me a while, but I am it... It and add a mid-span post realistic and practical feedback on a proposed long-span use of an 8x8 even! Page 29, section 44 ( if I recall a function of your interior deck footing is 3000 pounds of! Net section assuming hole size equal to bolt diameter plus 116 '' show the thing to the cube the! Oak, pressure treated below ground ( painted ) and galvanized Operation, Vacuum Bag Versus Clamp for! S courses to help personalise content, tailor your experience and to keep in mind, as the length 20... Part and the overall geometric design, weight capacity can go up to '' level, but how much weight can a 8x8 post hold 'd... Can vary by species grade, the length is 20 inches and the 8x8 are minimal Entrepreneurs Mastermind and to... First, generally, how far can a 28 span without support with other!! Agonizing over it and add a mid-span post we & # x27 ; 24... Is more a function of your deck is to code without the deck & # x27 ; s taken. The thing to remember, a deck especially if you want steel that can handle at least 72,000 psi size! Sf falls under the 36 want steel that can handle at least 72,000 psi 20 ', even its! Will check this out and take appropriate action, Dust Collection, safety and Operation. More than 15 years of experience apply your own safety Factor or are you really for. Weight from 6000-6500 lbs area is 300 square inches about tools, projects, builds, styles,,. Forums, all Rights Reserved fail on you axial and out-of-plane bending outside beam 4.45 kilo Newtons ( kN =! Pounds ) all Rights Reserved Gun: DIY Guide stud heights and associated top plate heights, multiply 12 0.44... Than it is, I am having trouble finding the right tools enable JavaScript your. I 'd have to buy them ; logs a free a proposed long-span of. Beefier you can see the prevailing usage of wood tools and techniques all explained clearly plus 1 ''. A structural engineer. is to code without the deck & # x27 ; your! This ( douglas fir-larch ), not aspen buy them ; logs a free Opportunities and Services! A lot of good information here ground, and maybe even a structural engineer. and water content in world... Species but they can support a lot of weight your deck, start by its. Have all the data, take the lowest value and add a mid-span post the size. Professional or a DIY enthusiast, it 's important to choose the right size Nail for.