3 and Stud Construction Standard Utility : 3050 2850 2650 2000 1850 1700 1700 1500 1350 850 1100 625 300. Is the load centric? Which is stronger as a structural support post, 6x6 (actually 5.5 x 5.5) pressure treated doug fur 20 feet long, or 4x4 1/8 inch wall steel square tube 20 feet long? I do not know the grade. St. Louis, Illinois, United States. 1 Dense No. Give up a few inches property Rosario99....plant those 6x6's on your side of the property line. 6x6 are becoming more common because of these issues. The weight that a 4×4 beam can support horizontally depends on the type and quality of the wood used. I would build the fence on my property in the way I like. The existing fence was falling to pieces and sagging. You will have to register Someone please correct me but isn't it common courtesy to not be a chooser if you are free riding and that by me purchasing posts which are 3x more expensive would be a good thing (i'm not cheaping out on quality)? He couldn't afford his half to rip out the fence and install the new one so I told him. 4x4 posts of today will twist, wharp and split like never before. The Sprinter 6x6, built by Oberaigner, is almost unstoppable. 2x6 is no necessarily stronger tha 4x4. Would like to know your decision. I do not know if it is pressure treated or not. It could be a lot of weight for a layman who has no clue about a 4×4 beam’s horizontal weight support. How high off the ground is your deck? Maybe think about using a 6x6 or two 4x4's put together on each side. 4x4 is the standard. Though, an engineer could argue you down to 4x4s with supporting calculations. It can resist bending in one direction better but it is worse in the other direction. 4×4 deck posts commonly fasten to a metal bracket set in a concrete footing, pier or deck block at or above ground level, and extend upward to attach to and support a beam. All 6 posts are in the area of 16' long, and I was very worried about them twisting like I have seen 6x6's do so often. My concern is that all the information I've found on decks shows people using 6x6 posts as the main supporting structure, with beams on top of those and joists on top of the beams. Coach. In general steel has an ultimate yield strength around 10 times greater than wood. 1 No. Post heights are based on standard precut stud heights and associated top plate heights. Try doing this on a short piece of 6x6 post to see if you like the look. They're less likely to warp than a 4x4 as well. I built a 24x 40 ' barn a few years ago for a woodworking shop. They showed that shear strength varies with beam geometry and loading. Clear is Best Characteristics effecting strength are more important than wood type -- even if the wood has been previously stamped. 2 NonDense No. select the forum that you want to visit from the selection below. The yield strength is the point at which stiffness above is no longer applicable. 2 No. These things can and do happen with 6x6 but a lot less. According to building codes, there is no clear answer on when you should install a 4×4 vs. 6×6 deck post. boo1 (Mechanical) 3 Dec 02 11:56. Beam Strength and Deflection Calculator. 4x4: Dense Select Structural Select Structural Non Dense Select Struc No. His idea was to build up a beam of 4 2x6's and use them as the deck support. Siding would be 1x6 boards, laid horizontal, spaced a couple inches apart to allow for airflow. As mentioned, a piece that is 4" high with the load vertically (a 4x6 where the width is 6") is not anywhere as strong as a piece with … If you load is bearing 14'-16' you should definitely up size to 2x8's. FENCE POSTS: 6x6 or 4x4 ?? I would DEFINITELY do the plywood in the middle if I … Is the construction new? This feature lets you quickly set up alerts based on keywords you specify. The 6X6 Brutality Workout. He recently asked me why we use solid 6x6 posts to support decks, spend a lot of time cutting notches in them, they are big and heavy to carry. 6x6—W4.0xW4.0 6x6—4x4 .080 . At first thought it does seem to have some merit. A 4x4 at 16' is NOT stronger then a 2x6 at 16'. The strongest 6-by-6 posts display stamps indicating wood strength and quality. Nothing wrong with 6x6....it is overkill though. This feature lets you determine how good a deal you are getting on toilet paper purchases. Six-by-six posts exhibit a wide range of strength in … RedFlagDeals for iOS and Android makes it easy to stay on top of the latest Canadian deals, flyers and freebies from wherever you are! Strength and Conditioning. How have you determined the 30,000 lb load? Thanks anyone everyone for … This requires you to put them through a table saw or use a circular saw to make these modest cuts. For example, 2x6 joists that are spaced 24-inches o.c. A 4x6 joist is theoretically stronger than a doubled 2x6 joist because it's 1/2" thicker, but the actual strength depends upon the knots and other inherent weaknesses of any particular piece of lumber (#2 lumber can have some nasty spike knots or large not-so-tight round knots or wane). The 6x6 anchor is perfect for this application by: Editor-Rich Bergman I would highly recommend the 6x6 post for this height for performance and because the dimensions of the post are right. Your neighbours comments are wrong. Bending and compression strength of wood species used in beams. Wood Beams - Strength of Material Assuming a 6ft length of 4x4 that actually measures 3.5 inches square, and plugging these numbers into the formula, we get: 10,200 psi * (2 * 3.5in * 3.5in^2) / (3 * 72in) = 4049.306 pounds This appears to be the point at which your beam will deform. On Amazon:*6x6 POST BASE: https://amzn.to/2QyJrel*4x4 POST BASE: https://amzn.to/2wu7W36*STAINLESS SIMPSON 6X6 BASE: https://amzn.to/39e93FJ*USE THIS … All these unknowns are what I need help with. And if you do it as a privacy fence, 6x6 posts stand out and make it look more substantial. If you are looking for additional strength, go 2x8 in lieu of 2x6. Is this a possible solution to finding a good straight 6x6-make your own? Steel work can make many projects go much faster, and much easier. 1 NonDense No. Is the end attached to the floor? RE: 6"x6" post strength. 6x6 will not decrease property value. Free Stadia Premiere Edition when you pre-order Cyberpunk 2077 before December 18, [Amazon.ca] Also read, DIY Wood Projects For Beginners I would never ever use 4x4 again for fence and deck projects. The term 'significantly', however, means different things to different people. [ON] Fido 150M for $37.50 plus $150 gift card (new client back again), [Costco] Join the conversation with thousands of savvy shoppers in Canada’s largest online forum. I'm hoping to use the current design, and replace all of the posts, decking, and railings. Realize that not all wooden fence posts are equal when it comes to strength. Is my neighbor right in that a 6x6 post has no business being used for a home fence. Since it is a single story shed you can probably use 2x4 for walks and 2x6 for rafters. Summary The span of a 2x6 beam depends on several variables including the size, type, and species of … 2 Dense No. Laminating 2x6's is a much better idea, it won't twist like a PT 6x6, it is less expensive, and you can use a combination of lumber. 6x6 are becoming more common because of these issues. By the way, it looks like the Residential Wood Deck Construction Guide requires 6x6 minimum for posts. With the young age of wood used these days 4x4 of today are nothing like 4x4 of 25 years ago. From Professor Gene Wengert, forum technical advisor: The grain direction (flat or vertical) has essentially no effect on the strength. Weight bearing load of a vertical 4x4 piece of wood, compared to a 6x6 And weight bearing load capability of horizontal 4x4x8, at its center. It's fairly common. 6x6 is overkill for sturdiness. To start viewing messages, Length (ft) 6x6 6x82 6x81 6x6 6x82 6x81 6x6 6x82 6x81 2 34461 47201 46993 30004 41072 40915 21027 28768 28674 3 34028 46896 46402 29680 40842 40473 20834 28630 28410 However, experienced contractors will tell you that a 4×4 post simply can’t carry the heavy load that many porches require. Permanent all-wheel drive, a raised air intake and special off-road tyres make the van a true all-terrain vehicle. Whenever someone asks a question that starts with "Why do they..." or "Why don't they...", the answer is always a) money, b) stupidity, or c) both. strength. The 4x4 over 7 feet just looks to much like a thin spindle even though it would suffice for your application. Strength Welded wire fabric is ava i l a b l e with either deformed or smooth w i re s , as indicated earlier. Advantages-Disadvantages? I would never ever use 4x4 again for fence and deck projects. Foschi and Barrett (1976, 1977) approached shear strength with Weibull’s weak link theory. Half lap joints to join the skids to the sides. or login (See top or bottom of page) before you can post a message or view images: click the appropriate link to proceed. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Do you think you're tough? I wouldn't want it either. - search is the most efficient way to navigate the Engineering ToolBox! meaning if I hang something from the middle of that elongated 4x4x8 what is the maximum weight it could take. IMHO, 6x6 looks nice, and conveys the impression that "I can afford better." All rights reserved. Nowadays, most of the wooden lumbers are full of pervasive knots. AscendingDescending, Powered by phpBB ® Forum Software © phpBB Limited, Copyright © 2000 – 2020 RedFlagDeals.com. Most professionals will encourage you to consider going with a 6×6 deck post form the outset of the project. Considering the neighbour isn't paying for anything I would have given myself free reign to build as I like. (Terms of Use, Privacy Policy, Manage Consent Do Not Sell My Data), I'm looking to install a new fence between my home and my neighbor's running from the front of the home to back (70 feet straight run). That's what my whole street went with at my old place. I did this for extra strength, and to make them have the same dimensions as a 6x6. Cyberpunk 2077 Collector's Edition PS4 XBOX in stock, [Fido] The happy medium would be to use 4x6 for posts. Decking systems made of steel using 4x4 triscuits are nearly indestructible and have a much larger working load (you can roll genies on them if properly designed). Question is would it be worthwhile for the added costs to go to all 6x6? You Need a Budget: The Proven System for Breaking the Paycheck-to-Paycheck Cycle (Kindle Edition), [Best Buy] I do not know whether the beam is a 4x4 or a 6x6. I like 6x6. I only see 4x4 posts used to form the supports for the railings. To some people, twice as long is sufficient, others would consider five times as long to be too short and would therefore consider such a member to be a plate, a frame or a structure. 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