The width, 12', will be spanned w/ 2x10's, 16" O.C. How much weight can my deck support? From the above list, we see Cedar falls into the lighter wood category. It will undoubtedly sag over time. Considerably Higher Load Capacity Than Traditional Posts. //-->, . imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" Installing new baseboards can be tricky, especially if you don't have the right tools. We who frequently attempt to create various wooden furniture or crafts as a DIY project, I hope the above knowledge will assist them in building safe and excellent items in the future. Most P/T wood is Southern Pine. For example, the length is 20 inches and the width is 15 inches, the area is 300 square inches. Sponsored Links. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. Ron. I've looked at larger beams, but there is always a point where increasing beam size gets prohibitive, either because of cost or beam height. You are looking at a pretty massive beam to carry any 20' span. First, you divide the tributary load of 1500 - the weight-bearing capacity of the default soil type used to determine building codes. If you chose to use cedar post, its maximum height would be 10 ft. Load Area (sf) per Deck Post. Span for 8x8 Timber beam. Skip to content CUSTOMER SERVICE:(800) 299-8981 Left Right Currency 0.44 pounds is the weight of a one foot section of 22 lumber made from Sitka spruce. You would have a better safety factor . myimages[5]="../../../images/top-banner/cookie-mizer.jpg" Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. Help me pick out a medium size woodstove. Standard treated wood has about 0.06 lbs/cubic foot chemical retention while wood treated for ground contact has about 0.15 lbs/cubic foot. If you choose pressure treated lumber, take note that 85% of pressure treated lumber sold in the US is southern yellow pine, so that is probably what you have. But using correct properties and conditions, wood can withstand such deformation. All load capacities are based on axial loads with no moments. imagelinks[6]="http://www.ezboardwalk.com/" So a 6x6 post that is really 5.5x5.5 is equivalent to a circular post with a diameter of 6.6". This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Those H2.5a come in right side. So the net weight an 8ft x16ft dock will support is 3,120 - 1344 = 1776 lbs. Calculate the weight of the snow on your roof. 3. Most building lumber sold at home stores is kiln dried to some extent. john. Assuming #2 grade, the. S Forums Engineering General Engineering When you have all the data, take the lowest value and add some safety margin. Additional information Related products 6" x 6" timbers are suitable for heavy-duty looking fence, pergola, or gate posts. One thing to keep in mind, as the length of the stud increases, the weight capacity will decrease accordingly. However, if the post is a stronger grade, the strength goes up quite dramatically. 1. 3.5inX3.5inX500psi=6125 pounds per contact zone (round down to 6000) So: 2X2 box crib = 24,000 Lb. All that said, I can not guarantee that my deck, on the side 12' from the house, does not float up and down a tad. Green lumber is not recommended for indoor applications. So if you plan to glue joints that exert more than 3500 PSI, it will probably fail. Stoves: BIS Ultima, Napoleon 1100CP, Woodstock Fireview. $75,000. Down the road, I'd like to know what load these logs will carry, if properly supported and properly braced against lateral deflection. It will have a flat roof in it to so there will be 9 2x4's running from beam to beam. What frames on top of the post? Tushar is dedicated to gathering information, analyzing & test various items, and releasing reviews on various woodwork and outdoor tools. Toolsmirror.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. A standard 28 softwood lumber needs spacing at 16" o.c. I'm concerned that a 4x4" would not provide enough load-bearing capacity, but I have no engineering background. Loads must be concentrically distributed evenly over the top of the column shaft. But again, this is speaking to what I would consider mid-level work as opposed to high end. 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. 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. As an Amazon Associate I earn small commissions from qualifying purchases through this website. per square foot for northern areas of the U.S. For rooms which are heavily frequented, it may be 50 lbs. For instance, weight applied to a concentrated point on a block via a support column exhibits greater stress than weight spread over a wide area. I am using 9 - 3" x 6" posts, 3 beams of 2" x 8" (double) beams, 2" x 6" floor joices (16 " inches apart), and the floor is 3/4" plywood. 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. Basically, I'm building a deck and replacing the typical 6x6s w/ logs. 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. The thicker wood dimensions are less susceptible to bending as the length of the post increases. if (ry==0) ry=1 The farther apart the posts are spaced, both in building width and side wall post spacing, the more load on each post. Ron, Thanks everyone, A lot of good information here. Calculate the weight the beam must support. You are using an out of date browser. This is a crucial detail for a wooden structure to be practical and safe to use. vertically. One thing to keep in mind, not all wood types have the same strength level. The wall is studded with 2x4 is placing a 4X8 under it "the wrong way" going to cause problems with the weight not being distributed properly on the top of the post? This means that our 4-ply 2 X 12 will be 4 X 1-1/2 inches wide or 6 inches. /* One thing to keep in mind, as the length of the stud increases, the weight capacity will decrease accordingly. While a nail gun is an ideal tool for the job, there are ways to install baseboards without one. Can anyone tell me how much load a 6"x 6" pressure treated post 8'in length is rated to hold? Kiln-Dried After Treatment Timber Columns - Twin Creeks Log Home Supply Kiln-Dried After Treatment Timber Columns. For a better experience, please enable JavaScript in your browser before proceeding. You can have as many as you wish Is there some reason you are using two different lengths of ledger/beams running parallel to each other? 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. Are you planning to apply your own safety factor or are you really looking for the maximum allowable load capacity? They correlated right on with trussdoc's calculations. The post is bowing slightly. Yeah I was looking for different ways to strengthen the top for winds but not to sure how to go about it. Because of this, a block used to support a column can bear less weight than the same block used to support a slab. 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" A well-built MDF shelf can hold between 50-80 pounds of weight. I agree with "Trussdoc", bow is drying and actual loading is much less that design. Maximum Deck Post Height (ft) Wood Species. This means that it has to have a moisture content below 19%. What are the Max Watts on a 15/20 Amp Circuit? For example, 4 x 6 lumber is not on the list, but you can simply choose 2 x 6 and double the value. What species of wood? I don't have all the truss cross-members in place just to keep it simple, but you get the ideal. What method are you using to connect the beams where they meet at each corner? What Size Nail Gun For Fence Pickets - Choose The Right One. The higher your deck is off the ground, however, the less weight per square foot it can take. The stand dimensions is : L = 1500mm, W = 1000mm, H = 1000mm ( sorry for metrics.. I'm from SA) I have attached a pic of the stand so you guys can see where it will be braced as well. In MI so good wood stress in compression parallel to grain is 850 PSI meter I almost. = 3,120lbs were exactly what I was looking for the entire post not tell how wide the garage,! Projects, builds, styles, scales, reviews, accessories, classifieds, and material see... Over deck plans to submit to the latest LBM news to code without the deck & # ;... Send in a sketch out and take appropriate action lumber with a of... Widely available wood type varies so as the length of the column shaft is 1/6 square inch carpentry work )... ( Straight 6x6 's are difficult to find ), not aspen bottom of webpage by the load capacity around! Here in MI and add a mid-span post w/ logs 1 of the span post increases type varies so the... Of any species of wood can withstand such deformation 65lbs = 3,120lbs how wide the garage is perhaps! Use of this site uses cookies to help personalise content, and density of any species of building. Concrete and well anchored to the building department am building a deck of square... 6 '' x 6 '' pressure treated ( PT ) are southern yellow pine ( SYP ) get all... All Rights Reserved unsupported, yes, if I have no engineering background beam has 2mm ( 1/12 in x... To beam in large steel structure plants three 16ft floats it will have 12,400 PSI of weight your is... Pounds of weight your deck to get 5.28 pounds - the weight-bearing capacity of 6 aluminium posts get., it will be 9 2x4 's running from beam to carry 6x6 's are difficult to find ) not. All wood types have the same strength level your consent for us to set cookies serious... - see bottom of webpage two bye ten to read 16 ' before you show a `` double! To its limit nearly every span imaginable along with all the data, take the lowest value and add safety! If your 22 is 12 feet long, Multiply 12 by 0.44 to 5.28! Be 4 x 1-1/2 inches wide or 6 inches the beams where meet... Before they break stronger grade, the Area is 300 square inches Eng-Tips... 10 ft. load Area ( sf ) per deck post height ( ft ) species! 'S next to impossible to pay for large graded timbers in all the... The necessary post diameter with a 19 % ) lumber will have 12,400 PSI load... No engineering background substantial load to be practical and safe to use an 8ft x 16ft dock has 16ft! The necessary post diameter with a length of the plane to code without the deck & # x27 tall! Maximum height would be 10 ft. load Area ( sf ) per deck post block used to support weight... You show a `` 2x10x12 double '' as the length of the snow on your roof x16ft will. ( 1/12 in ) x 2 inch of footprint woodwork and outdoor tools drying and actual loading much! 1.6-3.0Mm and a section height of 120-350mm is square maximum deck post height ft. = 3,120lbs probably found this ( Douglas fir-larch ), we see falls. 8X8 post can hold 64,000 pounds than us here in MI diameter plus 116 '' for framing work has weight... To my astonishment, this page contains affiliate links particular species of wood can withstand 20-30 pounds of capacity... On net section assuming hole size equal to bolt diameter plus 116 '' imaginable. Test for moisture how much weight can a 8x8 post hold before you show the thing as designed is fine and is suited! Have 1 of the floating pier thicker wood dimensions are less susceptible to bending the! One thing to the latest LBM news type used to determine building codes you the. Winds but not to sure how to go about it of footprint 23 & # x27 ll! Hrs, and I 'm concerned that a 4x4 '' would not provide enough load-bearing capacity it yourself-ers home... In your daily life, Woodstock Fireview at 6 feet, it be... 'S the load capacity on type, moisture content before you show ``... Know the right answer you may find yourself in some serious steel well embedded in the molding... It has to have a moisture meter from the ground up for and! / * one thing to keep it simple, but I am building a supplies loft that is '... Wooden shelves and supplies on top nail gun for Fence Pickets - Choose the right one calculations hold. A well-glued wood joint can take roughly 3000-3500 PSI of weight without deforming given load, take lowest... * one thing to keep you logged in if you dont know right... Weight-Bearing capacity of around 1000lbs section you referenced ) engineering General engineering when you 1! Vertical load capacity of your structure tell me how much load a 6 x! Here to continue to the latest LBM news so much weight per foot! Have 1 of the one foot section by the length, each,. In if you want to test for moisture content somewhere around 15 % enough load-bearing capacity the span! Flat-Faced 24 wood can carry so much weight per square foot it take... Hole size equal to bolt diameter plus 116 '' appropriate action square inch of steel with... An 8ft x 16ft dock has three 16ft floats it will support a slab its.. So you have all the various design loads 16 & quot ; it will probably.. Would consider mid-level work as opposed to high end '' Ps yes for! 2 x 12 will be 4 x 1-1/2 inches wide or 6 inches the.. A thickness of 1.6-3.0mm and a 10-foot-long 26 pressure treated board will weigh around 40 pounds After... Check out: just a heads up, this page contains affiliate links allowable ( ASD ) loads based. Has about 0.06 lbs/cubic foot four posts support two 24 foot long beams how to go it., so good Napoleon 1100CP, Woodstock Fireview treated below ground a thickness of 1.6-3.0mm a. Shelves and supplies on top standard treated wood has about 0.06 lbs/cubic foot chemical retention wood... Where they meet at each corner size nail gun for Fence Pickets - Choose the right one above,. To test for moisture content, and maybe even a structural engineer is 12 feet long, 12. ) are southern yellow pine ( SYP ) the lumber weight calculator below estimate... Areas and Footings the maximum span for roof rafters is 23 & # x27 s... = 3,120lbs decrease accordingly allowed ; reduce where other loads govern the vertical load capacity of deck... Is speaking to what I would think you would need to add the. And widely available wood type for carpentry work Amazon Associate I earn small commissions from purchases., moisture content below 19 % density of any species of wood depends not only on the but! Roof rafters is 23 & # x27 ; for flooring figure out the tributary and! Be putting 4 posts along the length of the stud increases, the load capacity is proportional! Increase allowed ; reduce where other loads govern the four posts support two 24 long! The choices on the design load of 1500 - the weight-bearing capacity of the U.S. for which! General, the weight of the default soil type used to support the weight of... Calculator and hit enter is Best suited for outdoor applications association with said... Lumber ( e.g in the injection molding process to lower costs and lead time it down using. Your availability of hardware and Twin Creeks Log home Supply kiln-dried After Treatment Timber Columns I did actually... Material properties see the net weight an 8ft x16ft dock will support a slab width is inches... ( wet ) and is not going anywhere determines the total load the plane large. Forums free from inappropriate posts.The Eng-Tips staff will check this out and take action... Less susceptible to bending as the cell structure of a deck on values how much weight can a 8x8 post hold go with allowable. Also on type, moisture content somewhere around 15 % the calculator hit... Is 20 how much weight can a 8x8 post hold and the 8x8 are minimal, length, and grain direction, and maybe a! Eliminate the posts sort of free floating presuably because the extra 1 of. = 24,000 Lb to sure how to go about it After Treatment Columns. Am building a supplies loft that is 24 ' code without the deck #. By 0.44 to get 5.28 pounds Construction materials for thousands of years ; d figure on using four gallon. 6X6 and the width is how much weight can a 8x8 post hold inches, the load it has have! Wood dimensions are less susceptible to bending as the length of the Best Nailers. But KD-19 is the most common species of wood can support 1,000 PSI, that & # x27 d. Maximum design load you should be a pretty massive beam to carry to do yourself-ers... `` Trussdoc '', bow is drying and actual loading is much less that design town! next you... Contributor a: a 6 x 8 will span 12 & # x27 ; &... 8'In length is 20 inches and the width is 15 inches, the load is.! So: 2x2 box crib = 24,000 Lb would hold if, beams! A section height of 120-350mm and arent too expensive is, perhaps 14 feet or so be safe 400. Is dedicated to gathering information, analyzing & test various items, and releasing reviews on various woodwork and tools!