how much weight can a 8x8 post hold

var myimages=new Array() Fastening it has yet to be dealt with consideration of your availability of hardware and . Let's break it down, using the large 6-8 person hot tub in my chart above as an example. As typical post frame construction will have sidewall posts spaced equally, each post carries approximately the same weight. Those H2.5a come in right side. So you want steel that can handle at least 72,000 psi. They are great little tools and arent too expensive. Review - Regency Cascades I1500 Hybrid Catalytic Fireplace Insert, The Hearth Room - Wood Stoves and Fireplaces. Once you know the unit loads, multiply by the tributary area to each column to determine the load on each column. 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. September 27, 2012. 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. One thing to keep in mind, as the length of the stud increases, the weight capacity will decrease accordingly. I hope you'll enjoy all those and find them useful in your daily life. 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. Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. 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. 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. The flat-faced 24 wood can withstand 20-30 pounds of weight without deforming. Run 2x6 or 2x8 on edge like a header to join your legs. 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. 3. Is the construction new? Surely there are other factors involved besides purely area, too. if you want beefier you can just build it up and clad it. 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. It is roughly 4,300 LBS for the entire post. The allowable (ASD) loads are based on the 2015 National Design Specification for Wood Construction (NDS). The capacity of a 12' tall 6x6 post varies greatly as described above. What are your spans? A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Custom built Cook's-style hydraulic bandmill. It is right above the section you referenced). From the above list, we see Cedar falls into the lighter wood category. As for unsupported, yes, if I have my nomenclature correct. Keep in mind that 40lb. Stee: It sometimes takes me a while, but I can usually get it all explained clearly. Available only in #1 & Btr Boxed Heart. 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. random_imglink2() The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Considerably Higher Load Capacity Than Traditional Posts. 0.44 pounds is the weight of a one foot section of 22 lumber made from Sitka spruce. One thing to keep in mind, not all wood types have the same strength level. I have 9' height on parts of my deck being supported by 6x6x16' posts buried 4' in the ground with proper footings. For a better experience, please enable JavaScript in your browser before proceeding. JavaScript is disabled. Here it is, 0100 hrs, and I'm reading this book. Over 200+ free JavaScripts here! Helping You to Do It Yourself! In reality, people usually dont carry that much weight. Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. The actual dimensions of a 66 are 5-1/2" x 5-1/2", giving it a cross-sectional surface area of 30.25 square inches. MDF is a lightweight composite material in the world of carpentry. I am building a supplies loft that is 24' x 24'. JavaScript is disabled. Most building lumber sold at home stores is kiln dried to some extent. random_imglink() Use 4 sistered pairs as your corner legs. Loads must be concentrically distributed evenly over the top of the column shaft. Tributary Areas and Footings A stud used in framing work has a weight capacity of around 1000lbs. or 453 kg. I agree with "Trussdoc", bow is drying and actual loading is much less that design. Since your 3 post is a little wider than the beam flush the post to one side of the beam and ad a plywood shim on top of the post to fill the gap so you can firmly nail the side studs to the beam 6-8 nails on each side. Then the simpson strong ties that connect the beam to post will be a T shape bracket. Safe loads for wood columns. Default is 50 psf which you can change. Loads must be concentrically distributed evenly over the top of the column shaft. WOODWEB is a registered trademark of Woodweb.com. What is Zinc Plated and Galvanized Steel? I just wanted a general opinion based on what you guys have built in the past. //specify corresponding links below 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. However, I cheated 35 yrs ago and put my deck posts down only 2', and so far, so good. This is the moisture meter I use almost on a daily basis. 6x6 is perfectly fine. Even with your light load, you are pushing at 20' plus the uplift and side shear for the wind. I may just have to up and buy the thing. j. 0 Members and 2 Guests are viewing this topic. The lumber weight calculator below will estimate the weight, specific gravity, and density of any species of wood. We have received your request and will respond promptly. If it is stamped "stud" it will be strong enough. Depending on each part and the overall geometric design, weight capacity also greatly varies. How to Install/Lay Shingles Exterior Walls Construction: The Start-to-Finish Guide Cut wood Paneling with a Utility Knife Lap Siding Install Plywood Over Plank Subfloor The Uses of and Challenges in Cutting Formica Joints Miter Scarf and Butt Biscuit Rabbet Clamping Box Joints Protect Corners Cutting Notches Dowel Joints DIY Covering Plastic Edging However, the post will typically buckle under much lower load than the axial compression. Basically, I'm building a deck and replacing the typical 6x6s w/ logs. ry=1 The truss design estimates 30,000# on this post. As a result, a 66 will support a greater tributary surface. 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. Weight of the spa (empty) = 800 lbs # of gallons of water (525) x 8.34 lbs (how much a gallon weighs) From contributor A: A 6 x 8 will span 12' for flooring. How Much Weight Can A 24 Hold Flat/Horizontally? Capacities are per post/column and allow for a safety factor of 5. Helping You to Do It Yourself! All load capacities are based on axial loads with no moments. For a general idea, we have rounded up these table types and their weight capacity. So a 6x6 post that is really 5.5x5.5 is equivalent to a circular post with a diameter of 6.6". Allowable wood stress in compression parallel to grain is 850 PSI. Share Improve this answer Follow answered Nov 15, 2017 at 5:19 LRU 51 1 1 7 Sorry about that. If you use the right ones in the wrong place, it sure confuses things. WAIT! Therefore a post to support this built-up floor beam will need to be 6" by 6". Eventually, you will find the appropriate weight capacity of your structure. During that period, I got first-hand exposure to a wide variety of gardening and cultivation machinery. In general, the strength of wood depends not only on the thickness but also on type, moisture content, and grain direction. } 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. An early on review.