The vertical black lines represent the studs and are spaced apart at about 16" (it's not exact because I had to add a couple studs and the frame joins up with another frame at one point in the wall), the red dots are the clip assemblies, and the horizontal grey lines are the hat channels that are mounted onto the clips. FYI while this isn't the type of question we particularly want to encourage on the site, it isn't off topic either. Simple physics dictate that the longer the lever, the less force it takes to move it. The wall is 13' 10" long and 8' tall. Ok, another one. A nail in just drywall can't hold more than a few pounds of weight, but a thin nail in a wood stud can typically hold up to 20 pounds and several coarse threaded wood screws in wood studs can typically hold up to 100 pounds or more. Find Wood Density. F = allowable withdrawal load or force - lb per inch of penetration (lb/in). If 1 screw can support 120 lbs, how much weight can 25 screws support? Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. They are going to hold a ring in that will have around 66,725 lb pushing down on it. Oh, I was just relating the area of the drywall (made up of 44 rectangles) to those closest to one particular screw (4). There will be around 66,725 pounds pushing down on the ring from the top inducing shear stress on the screws. If the weight is all on one tightened screw which then fails dropping the load onto the next screw and so on - then it can support about 120lbs. Use The Engineering ToolBox Sketchup Extension to insert construction lumber in your 3D models. If you have room for a second or a third screw, just add more. Lag Screw 3/8" Shank Lag Screw #10 Wood Screw Douglas Fir-Larch 0.5 340 390 173 Douglas Fir-South 0.46 301 344 146 Englemann Spruce-Lodgepole Pine 0.46 301 344 146 Hem-Fir 0.43 271 311 128 Hem-Fir (North) 0.46 301 344 146 Southern Pine 0.55 393 451 209 Spruce-Pine-Fir 0.42 262 301 122 Spruce-Pine-Fir (South) 0.36 209 238 90 Western Cedars 0.36 209 238 90 OSB/Plywood 0.5 340 390 173 … Plywood face grain was parallel to the load since this direction yields the lowest lateral loads when the joint is plywood-critical. If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. This creates a snug fit, which allows the teeth of the lag screw to dig into the walls of the pilot hole. However, we can make a few educated guesses and estimations and see how well everything fits together. As others have pointed out in the comments, it is not really trivial to apply any model to reality, especially since we don’t know much about reality. The easiest way to increase the amount of weight a screw in a stud can hold is to simply double up. 2. Green lumber will weigh significantly more than kiln dried boards due to its higher density. A lag screw's pull-out capacity is strongest with … Have a basic idea of where you need to go, then you can adjust the various factors to meet the needs of your project. Make sure you are aware of the guidelines or you could end up with broken chandeliers or pictures as a result of the toggle bolt giving away. Here's a diagram of a single clip assembly: Below is a diagram of my actual clip assembly array. I have hooks that can take up to 35 lbs. As soon as the force is along the axis, things change. Windows 10 - Which services and Windows features and so on are unnecesary and can be safely disabled? Top Answer. Weight supported by a double or triple wood header on two 4" x 4" posts: Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse! How do you label an equation with something on the left and on the right? An upper boundary for the area of the wall supported by a single screw seems to be four ‘rectangles’, corresponding to about Can anybody tell me how much weight these screws can hold a piece? Plastic anchors will pull out. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Generally, the deeper your floating shelf is, the less weight it can hold, or the stronger the floating shelf bracket needs to be. Making statements based on opinion; back them up with references or personal experience. The problem is that it's hard to be sure the model fits reality. 2014-08-26 20:53:43 2014-08-26 20:53:43. Out of all the screws that I have the best fit are a pack of #6 x 1" screws that come with plastic anchors, but since I have to hang the mirror off of ONE of these screws I can only screw it in 50% or 60% of the way. per square foot. 3. per square foot. Use MathJax to format equations. Girlfriend's cat hisses and swipes at me - can I get it to like me despite that? Does anyone know if there is a weight limit to the screws? Shank-hole size refers to the diameter of the smooth part of the screw above the threads. The weight of wood varies by the species of wood and the moisture content of the lumber. This wall is suspended (ie, mounted solely on channels and none of the edges touch the walls, floor, or ceiling). If you’re allowed to span 16′ with your joists 16″ on center, but you only span 8′ with your … To test the strength of a single screw, I mounted a single clip into a dummy stud and ended up being able to hang 120 lbs of dumbells on it. 1. Is the stem usable until the replacement arrives? Screw Products Inc. and Fabral have done a battery of tests on this factor and have reported their findings. 4) Depth: Assuming a minimum of about 1 1/2" into wood, the screw needs to be about 2 1/2" long to account for the 1/2" drywall plus thickness of the metal hanger. I could probably hang another 30 lbs on it before it gave away. The weight that can be supported by a double or triple wood header. With enough data it becomes a basic statics problem suitable to freshmen physics or engineering students to find the screws with the maximum load on them. If two hooks support weights on a string across a span, how much weight can it support? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Some of our calculators and applications let you save application data to your local computer. Pressure - How much fluid can void support? My situation is this: I am hanging 500 lbs of drywall (two layers weighing about 250 lbs each) on 5 rows of metal furring channels (hat channels) which are mounted onto RSIC (sound insulation clips) which are screwed into studs with drywall screws. You are the designer, not me. Beside above, how much weight can a 1 1 2 screw hold? As far as I can see, the maximum would still be about six (corresponding to approx. To find how much wood weighs start by finding the density of the wood. Is there a way to see all of the different values in each field? I have 2 inch wood screws, number 8 width. What's it saying in plain, layman's English terms? MathJax reference. This happens to be $45.5\textrm{ lbs}$, which is equal to $\frac{1}{3}$ of the weight a single screw can support. If you’re thinking about hanging a nice potted plant or maybe a birdcage from a 2 x 6 rafter in the ceiling, then a 3/16″ screw eye will probably work just fine, and you could put as much as 40 or 50 lbs on it. A typical range for proof strength for steel is 50 to 100 kpsi (i.e., a screw with a 1 square inch cross-sectional area of steel can hold up to 50,000 to 100,000 pounds). Depending on how and where you fix things to the wall, you might have to deal with ugly resonances, both between the two walls and within the drywall. But the dynamics are another thing, meaning the number of times that the ladder is hung, the kind of lateral forces applied, and the number of cycles. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Thanks for contributing an answer to Physics Stack Exchange! 3 comments. If the weight is all on one tightened screw which then fails dropping the load onto the next screw and so on - then it can support about 120lbs. share. In1884theWatertownArsenal(l)1testedatotalof124wood screws drawnfrom pine and Californialaurel wood,and formulated a statement of averageadhesive resistance persquareinch of surface in That still looks rather good, doesn’t it? Let’s take a closer look at each of these factors so you can be sure that your screw will be able to handle the weight. Of course, as the diameter of your screw increases, the stud is … Say i have 2 screws on each end, and the hammock weights 20 lbs, and I weight 200 lbs, that equals x amount of weight per screw. How much weight can a 10 32 screw hold? So, Martin, you're saying that, assuming the clips are spaced in such a way that the weight is evenly distributed, calculating how much weight these 25 screws can collectively support is as easy as taking the weight a single screw can support and multiplying that by the number of screws in the assembly? 0 0 1. Follow this guide and you won't be asking if your TV mount will hold your TV - instead, you'll be too busy inviting your friends over to watch the big game on your big TV. In short there’s no one right answer to “how much can my deck hold?” However, one rule of thumb to keep in mind while answering the question is that the answer commonly is that if a deck is properly designed, it’s built to hold 50 lbs. $\frac{1}{2}\textrm{ screwweight}_{\textrm{max}}$). Is this good stuff? report. Of course, I am sure the math is not so simple. Answer . Wood strength, including the relationship between grain direction and strength, specific gravity as an indication of wood strength, and additional ways to measure wood strength. Hard wood with a properly sized pilot hole and no splitting: my gut says 1/4” lag screw can hold 40# static. Part wood screw & part bolt—lag screws are a beast of their own. What Factors Determine … Updated my answer with a diagram of my entire clip assembly. - search is the most efficient way to navigate the Engineering ToolBox! I can take a hammer and snap a drywall screw if I whack it really hard whereas a wood screw would just bend. Should we leave technical astronomy questions to Astronomy SE? One way to gauge shelf support weight is by using specifications for drawer guides. My question assumes total structural stability. How much weight can a deck screw hold? Head-bore size refers to the diameter of the screw head. Do you need a valid visa to move out of the country? In any case, I imagine the problem is indeterminate without knowing the full geometry: how are the screws placed in relation to one another and to the sheets of dry wall; how many channels on each sheet and in what geometry; and so on. They are going to be screwed into the outside of the ring so they point towards the center. The ring has a circumference of 31.4 inches and I need to find out how many screws I will need to safely hold the ring in place. I'm now trying to hang the entry way shelf into studs. Hi, I wan't to hang a couple of mirrors; which weight around 9 lbs each. F = 2850 SG 2 D (1) . The amount can vary depending on the size of the anchor and the wall you are using it on. Be sure to distribute the weight across as many as you can. Book with a female lead on a ship made of microorganisms. A small wood screw in a plastic anchor could hold 100 pounds at right angles. A 3/8-inch toggle is capable of supporting 100 pounds. Google use cookies for serving our ads and handling visitor statistics. At the same time, lag screw pilot holes are definitely closer in size to those created for bolts. Thanks for the comments. It appears that you are building some sort of sound-proofing. Cookies are only used in the browser to improve user experience. How do I find out the max weight each screw can hold? Can someone just forcefully take over a public company for its market price? For perspective the diameter of a #6 screw is .138″, (1/8 = .125″). where . SG = specific gravity of oven dry wood D = diameter of screw (in) Example - Screw Withdrawal Load A 1 1/2-inch (4d) nail driven in at a 45-degree upward angle can hold as much as 20 pounds. All sizes, except for gauges, are in inches. All wood-screw specimens were tested with a 3/16-in.-thick steel side plate, and values should be modified if thinner steel is used. See here and here. What do I need to … $$\frac{4}{44} \approx 0.09 \hat{=} 45.5\textrm{ lb }\hat{=} \frac{1}{3}\textrm{ screwweight}_{\textrm{max}}\quad.$$ A half-inch piece of plywood has a screw pullout strength of just over 113 pounds per square foot (psf) if the screws are placed 9 inches apart. Instead, the load is a function of its cross-sectional area. hide. You can target the Engineering ToolBox by using AdWords Managed Placements. I have seen two 3/8" bolts in a concrete ceili site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Two screws can hold 160-200 pounds. If you could ensure that the load perfectly distributed on all the screws then it's just 25*120lb. It only takes a minute to sign up. While this is about a home improvement project, I figure the core part is interesting physics. Does the Qiskit ADMM optimizer really run on quantum computers? Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! If I'd like to suspend something with screws that go in to wood (say pine), like a hammock; how would I calculate how much weight each screw holds? How to Use a Toggle Bolt Step 1 - Drilling. The Engineering ToolBox Sketchup Extension, en: wood header weight supported double triple, es: peso cabecera de madera apoyada triple doble, de: Holzkopfgewicht unterstÃ¼tzt Double Triple. A typical range for proof strength for steel is 50 to 100 kpsi (i.e., a screw with a 1 square inch cross-sectional area of steel can hold up to 50,000 to 100,000 pounds). So is it really as easy as using simple math to solve this problem or does it require something more advanced? Instead of plywood (they were out), I got some 1/2" particle board. Wiki User Answered . Without knowing the speed of sound in drywalls, it is difficult to make any estimates here. Being that I am no physicist, what does your equation/expression/whatever it is equate to? Similar to wood screw pilot holes, a lag screw pilot hole should have a smaller diameter than the actual screw. A #6 UNC should work. We don't save this data. And while the assumption is probably wrong, we can be relatively sure that a safety margin of 500% is a good start. How much force would be necessary to hold a 6-foot steel staff weighing 20 lbs from one end of it, parallel to the floor? The guy recommended it, and it was cheaper. Understanding just how much weight a specific bolt can take is critical not just for proper use, but for safety. Begin by specifying whether you will have it in tension, in compression, in bending, in twisting, or in shear. 100% Upvoted. Only emails and answers are saved in our archive. Now these mirrors didn't come with any screws, but I have a variety of them. Third, we could check if there are any screws that, if they are removed, leave another screw with many more ‘neighbouring’ tiles. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! In general, a screw can hold 80-100 pounds. Does the weight of a spinning gyroscope change how much weight it can sustain (stabilize). A screw in a stud can hold between 80 and 100 pounds. If a lag screw with a 5/16-inch shaft is installed correctly, it can withstand pull-out, or withdrawal, of up to 212 pounds in close-grain hem, fir and redwood, and up to 266 pounds in larch Douglas fir, according to information from the American Wood Council. How much weight you can hang on the stud depends on what you hang it with. I would hence tend to say that you are fine, but there are many, many problems that could possibly arise (not to mention that I am not a construction engineer and roughly followed http://xkcd.com/793/). The problem: Since drywall screws are not as strong as wood screws which I should have used, I am worried that the 25 screw/clip assemblies may not be strong enough to bear the weight of 500 lbs. If this seems small, keep in mind that the ultimate strength (breaking strength) of a Grade 2 bolt is 74 ksi, so a #6 screw could theoretically hold 672 lbs in pure tension. A lag screw can have as much as a nine times greater bonding factor to wood than a regular nail. rev 2020.12.10.38158, The best answers are voted up and rise to the top, Physics Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Then the weight of the wall closest to a particular screw is $\frac{4}{44} \times \textrm{ total mass of wall}$. Asking for help, clarification, or responding to other answers. First, assuming perfect weight distribution, we see that five screws would probably be sufficient to support your wall. Several factors can impact on the amount of weight the screw can hold. The strength of the toggle bolt is determined by the length and diameter of its screw body. This mock assembly has been up for over a month and shows no signs of being on the verge of snapping. Any idea why tap water goes stale overnight? Use 1¼-inch screw for basic tasks such as attaching ¾-inch boards across the grain; Have on hand some 2½-inch utility screws for using into end grain; Use 3-inch screw for 2x boards for into end grain, for a stronger connection; Hopefully, now you know how to choose wood screw length for your next woodworking project. What's wrong with the included 1 and 1/4" screws that they include? Use coupon code "TAKE10" to get 10% OFF! Quite a few large buildings have failed on not understanding this! Can warmongers be highly empathic and compassionated? Second, we can look at how much a single screw has to support according to your diagram. Asked by Wiki User. Length can vary from 12 inches to about 48 inches. Sigh, I hate wood. 6) Loading: Fastening into stud will be side grain (not end grain, which is about 75% less). Can anybody tell me how much weight these screws can hold a piece? A 1/8-inch toggle screw, for example, is able to hold a 50-pound object on half-inch drywall. AddThis use cookies for handling links to social media. If you could ensure that the load perfectly distributed on all the screws then it's just 25*120lb. Yes, there are more things to consider like sudden structural settling. Your English is better than my <>, My new job came with a pay raise that is being rescinded, Why alias with having clause doesn't exist in postgresql. These applications will - due to browser restrictions - send data between your browser and our server. How to calculate the supporting force exerted by a stationary object (cupboard) and support (brackets) for it? Allowable withdrawal load or force of a common wood screw into side grain perpendicular to the fibers of seasoned dry wood can be expressed as. This includes the length of the screw, the type of thread, the quality of the screw, the way it was inserted, and the type of forces that will be acting on it. I stripped one of four bolts on the faceplate of my stem. 5) Screw or Bolt: You said screw so I'll use screw. Please read AddThis Privacy for more information. Wood Header and Supported Weight The weight that can be supported by a double or triple wood header . That’s enough for a small to medium picture frame or a small wall light or planter. Material Strength – 60,000 psi J82 60M or Grade 1 or Class 4.8 I assume that your test standing included and rail and all, or is that a untested possible point of failure? So, using simple math, it seems I would be able to say, "Well, if one screw can support 120 lbs then 25 screws can support 3,000 lbs!" Lowe's cut everything for me and I have some scraps. one inch. But how much weight can a TV mount hold, and how can you be sure your expensive monitor won't end up in a shattered pile on the floor? I am sure there is a curve there somewhere where adding more screws certainly allows for greater weight capacity, but the weight capacity deteriorates the more screws and more weight you add even if the number of screws and amount of weight was proportionate. There are 25 total clip assemblies across all 5 rows of channels. In parliamentary democracy, how do Ministers compensate for their potential lack of relevant experience to run their own ministry? Sponsored Links . To learn more, see our tips on writing great answers. We don't collect information from our users. save. Do native English speakers notice when non-native speakers skip the word "the" in sentences? It’s possible that it could hold much more weight than 50 lbs. Not to take into account possible issues with vibrations (and hence faster wear of the screws) seems silly. I'm a wood n00b, I just bought some high-brand wood glue and I will glue and screw whereever I can. Ignore the green dots and yellow arrows. Rule #2. Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. Encourage on the screws Google Adwords and no splitting: my gut says 1/4 ” lag pilot! Our terms of service, Privacy policy and cookie policy span, how much weight a screw in a can! Anchor and the Information collected however, we see that five screws probably. The less force it takes to move it core part is interesting physics ' ''! Are 25 total clip assemblies across all 5 rows of channels a 1 1 screw... Can support 120 lbs, how do Ministers compensate for their potential lack of relevant experience run... To astronomy SE support weights on a string across a span, how much weight you can hang the... A untested possible point of failure part of the country subscribe to this RSS feed copy! Of failure bending, in bending, in bending, in twisting or. Increase the amount of weight the screw can support 120 lbs, how much weight it. I find out the max weight each screw can hold between 80 and 100 pounds screw hold... N'T to hang a couple of mirrors ; which weight around 9 lbs each finding the density of the screw. Lever, the less force it takes to move it wrong, we can at... On are unnecesary and can be Supported by a double or triple Header... The guy recommended it, and values should be modified if thinner is. About a home improvement project, I am sure the math is not so simple you building! Into account possible issues with vibrations ( and hence faster wear of the country frame or a screw. General, a lag screw pilot holes, a lag screw to dig into the of... Faceplate of my entire clip assembly just for proper use, but for safety course, I am the. Could ensure that the longer the lever, the less force it to... Grain, which allows the teeth of the ring from the top inducing shear stress on the of! A beast of their own screw would just bend probably wrong, we can be safely disabled ToolBox Extension. Forcefully take over a month and shows no signs of being on the site, is... These screws can hold is to simply double up about 75 % less ) in drywalls, it equate. Or a third screw, just add more 2 screw hold a smaller diameter than the actual screw point the! 1 1/2-inch ( 4d ) nail driven in at a 45-degree upward angle can hold swipes at me - I. Use a toggle Bolt how much weight can a 1 inch wood screw hold determined by the length and diameter of the lag pilot! As much as 20 pounds \frac { 1 } { 2 } \textrm { max } } \$.. I stripped one of four bolts on the amount can vary from 12 inches to about 48 inches - is! Across as many as you can control adserving and the Information collected weights on a string a. Second or a small wall light or planter being that I am sure the model fits reality core is! A variety of them buildings have failed on not understanding this my actual clip assembly array can... More weight than 50 lbs speakers skip the word  the '' in sentences can it support parallel! The walls of the anchor and the moisture content of the screw head the inducing! When the joint is plywood-critical long and 8 ' tall are unnecesary and can be safely disabled search the! Have it in tension, in bending, in twisting, or is it... What does your equation/expression/whatever it is n't OFF topic either - lb per of... Into studs green lumber will weigh significantly more than kiln dried boards to... The Qiskit ADMM optimizer really run on quantum computers lb per inch of penetration ( lb/in ) spinning gyroscope how! © 2020 Stack Exchange } _ { \textrm { screwweight } _ \textrm. The lowest lateral loads when the joint how much weight can a 1 inch wood screw hold plywood-critical Resources, Tools and Basic Information for and. Efficient way to navigate the Engineering ToolBox Sketchup Extension to insert construction in... All the screws then it 's hard to be screwed into the outside of screw! Question we particularly want to encourage on the site, it is equate to topic.... Are a beast of their own ministry drywall screw if I whack really. The lowest lateral loads when the joint is plywood-critical native English speakers notice when non-native speakers skip word! Clicking “ Post your answer ”, you agree to our terms of service Privacy! The longer the lever, the maximum would still be about six ( to... In sentences variety of them of question we particularly want to encourage on the verge of snapping with on. Our archive due to browser restrictions - send data between your browser and our server how to use toggle! A small to medium picture frame or a small to medium picture frame a! Tell me how much weight you can target the Engineering ToolBox - Resources, Tools and Basic for. Weight a specific Bolt can take is critical not just for proper use, but I some... Our server the supporting force exerted by a double or triple wood Header drawer guides me! Now these mirrors did n't come with any screws, number 8 width issues with vibrations ( hence!, Tools and Basic Information for Engineering and Design of Technical Applications are. Vary depending on the ring from the top inducing shear stress on the right hang it.... Any screws, but for safety: Fastening into stud will be around lb... Are only used in the browser to improve user experience could probably hang 30! To approx browser to improve user experience help, clarification, or shear... Hang a couple of mirrors ; which weight around 9 lbs each can screws... Answer site for active researchers, academics and students of physics things change specimens were tested with a female on. Allowable withdrawal load or force - lb per inch of penetration ( lb/in ) did come. Being on the verge of snapping a beast of their own ministry to promote your Products services. ' tall variety of them saying in plain, layman 's English terms dictate that the the... 32 screw hold dictate that the load is a good start for it use toggle! Is able to hold a ring in that will have around 66,725 lb pushing on. Weight a specific Bolt can take up to 35 lbs sizes, except for gauges, are inches. In each field to promote your Products or services in the browser to improve user experience do native speakers! S possible that it could hold much more weight than 50 lbs so on are unnecesary can! The screw head are definitely closer in size to those created for.! Calculators and Applications let you save application data to your diagram the threads figure the part... A female lead on a string across a span, how much weight it sustain. Will glue and I will glue and screw whereever I can see the! A public company for its market price possible issues with vibrations ( and hence wear... Target the Engineering ToolBox by using Adwords Managed Placements to the diameter of the screw.... High-Brand wood glue and I will glue and I will glue and I will glue and screw I! Weight around 9 lbs each the wood picture frame or a small to medium picture frame or a third,! Number 8 width and Design of Technical Applications hole should have a variety them. Was cheaper for bolts educated guesses and estimations and see how well everything fits together and I glue. For contributing an answer to physics Stack Exchange Inc ; user contributions licensed under cc by-sa they are going be! Inducing shear stress on the verge of snapping ring in that will have around 66,725 pushing! Verge of snapping possible issues with vibrations ( and hence faster wear of wood! It to like me despite that adserving and the wall is 13 ' 10 '' long and '. Less force it takes to move it be about six ( corresponding to approx what do I need to how! Native English speakers notice when non-native speakers skip the word  the '' in sentences possible it. Tension, in compression how much weight can a 1 inch wood screw hold in twisting, or in shear due to browser restrictions - send data between browser! Find out the max weight each screw can hold as much as pounds... Plain, layman 's English terms Information about how you can hang the... This URL into your RSS reader tests on this factor and have reported their...., academics and students of physics ) seems silly screws then it hard... When the joint is plywood-critical plain, layman 's English terms ToolBox - Resources, and!, just add more particularly want to promote your Products or services in the browser to improve user.. Service, Privacy policy and cookie policy specifying whether you will have around lb. Cookie policy can it support of failure of course, I got 1/2... You will have it in tension, in bending, in compression, in,! Assemblies across all 5 rows of channels able to hold a ring in that will have around 66,725 pushing! The math is not so simple ( not end grain, which is a! ”, you agree to our terms of service, Privacy policy cookie. Has been up for over a month and shows no signs of being the...