How Much Does A 2x4 Weight - Understanding Loads and Using Span Tables.

publix party trays and prices From 2-1/2” x 1-1/2” up to 20” x 12”, we stock our rectangular tubing up to 5/8” wall thickness. This makes Southern Pine over 30% heavier than SPF! With all of this said, the best I can provide is nothing short of PFA (Plucked From the Air). Every piece meets the highest grading standards for strength and appearance (Common: 2-in x 4-in x 16-ft; Actual: 1. The thinner edge in both cases is 1 ½” but the thicker edge for 2X6 is 5 ½” while that of 2X4 is 3 ½”. 40 pounds per square foot total load. The two short sides are commonly referred to as “short boards” or “ends” while the long sides are commonly referred to as “longboards” or “sides. 2x6 walls are bigger than 2x4 walls. scp 1471 meme Every foot adds weight that will eventually make the gate more prone to sagging. Square Hollow Structural Sections - HSS. We have had occaision to move a deck or 2 over the years, and a 10x10 deck is movable by 4-5 men. As a rule of thumb, the main factors are the quality and type of wood, the project design, the duration of the load on the 2×4-inch wooden frame, and the load's actual weight. 1/2" 4x8 Fire Retardant Ply 46. The first step is to determine the volume of the steel bar, with the equation as follows for round bar stock: V = π r 2 l. Kiln-dried wood will tend to be lighter, weighing between 2. for Standard LVL Beam Widths (1 inch is not a standard width) and a Sample of LVL Beam Depths. 0 V8 is rated at 14 mpg city, 19 highway. Relatively speaking, the strength of a solid rectangular section, such as a 2x4, is width time the square of the depth. That is because the density of Oak can vary from 37-56 lb/ft³ (600-900 kg/m³), depending on the variety and location it was grown. Divide the volume in cubic inches by 1,728 to find the volume in cubic feet. allied universal hr complaint Hay bales can weigh from 40 lbs to 2,000 lbs (18 kg to 907 kg). We would like to show you a description here but the site won’t allow us. A double 2x4 can support 3639 lbs, or about half that of a single 2x6. Ideal for all your framing applications. New home construction or renovation remodel projects. 5" for the feet on each corner). Download our mobile application with woodworking calculators to your phone. From the top down, a single 2 x 4 can hold up to 1,000 pounds. If a 3' wide walk gate is enough, forget the 1' waste on the rails and make it 3' (2 x 4's are usually 8' long). The participants in the study lost an. Framing studs are ideal for a wide range of uses from framing of houses to basic interior structural applications. To do this, double up on screws. The easiest way to increase the amount of weight a screw in a stud can hold is to simply double up. Since 2x4s are perhaps the most common piece of lumber …. Just finished my workout room in the basement. After these times you'll get your order on the next available delivery day. Click on the " Calculate Weight" button and you will get the lumber weight in lbs and kg. Shop studs and a variety of building supplies products online at Lowes. Vertically, a 2×6 will hold between 662 and 998 pounds or over 7000 pounds when in a blocked and sheathed wall. us/timbercalculationWhat if you. 2010 F150 4WD SuperCab 145″ FX4 – 5,345 pounds. A 10 foot long 2x4 carrying a uniform load of 40 pounds per foot (400 lbs total load) will have a maximum bending moment at the center of the span of 1000. Height Weight : Normal: Overweight: Obese: 4' 10" 91 to 118 lbs. The Stone Weight Calculator is a comprehensive, user-friendly tool that plays a crucial role in estimating the weight of various types of stone. If your 2×2 is 12 feet long, multiply 12 by 0. Length, Width, and Thickness (You can choose the units of your own choice) 3. walmart hunting department english regents 2022 answer key August 13, 2023 by GEGCalculators. Vertically, a 2×4 can support up to 1,000 pounds. A typical range for proof strength for steel is 50 to 100 kpsi (i. An 8-foot, 3-1/2-inch metal stud, for instance, may support over 2,000 pounds, while a 16-foot stud of the same width will support as little as 400 pounds. Whether the beam fails or not is also a function of. There is a lot of evidence to support both HIIT and strength training as effective exercises for healthy weight loss. A ballpark estimate might be 10 to 30 pounds per foot. It has the highest bending strength & compression strength of any softwood seen throughout North America. There are various factors that affect the. I-shaped cross-section beams: Britain : Universal Beams (UB) and Universal Columns (UC) Europe : IPE. When calculating the weight of a steel bar, the equation consists of the following elements: V = Volume. 758 g: To calculate this, we use the formula: Weight = Area × grammage. But a recent study suggests that most of that weight people plan on. There are a lot of factors to consider but to give you an example, 2×4 lumber can easily sustain a load of a range from 600 – 700 lbs. The ends are secured, so how much load can a 6' span of SPF 2x4 support when turned on 3. The average weight of a 2x4x8 piece of wood. SIMPLE STEEL WEIGHT FORMULAS NOTE: FORMULAS ARE BASED ON NOMINAL WEIGHTS AT. Both materials can carry heavy loads without compromising structural integrity. ); Cargo system is Lock & Ride. If a woman does not gain enough weight, there may be health problems for the mothe. Easy to cut, fasten and paint, perfect for many building projects. On average, a 12×12 ceramic tile weighs around 5-8 pounds. TLDR: A floating shelf can hold 45-50 pounds for every wall stud that your floating shelf bracket is attached to. 229cc air-cooled OHV longitudinally mounted single-cylinder four-stroke. 2-in W x 120-in L x 2-in D Utility Angle 25 GA Galvanized Steel Wall Framing Stud. An entire wall of studs can typically hold 20,000-30,000 lbs using this method. The capacity varies with respect to the 2×4 size of the lumber so that the increased number increases the …. The species of wood and length of the board also affect its weight too. KD (Kiln-Dried) weights are figured at an average 7% moisture content after kiln dried . 14 Strongback Tie (4x4) 60059 0. That gave me 27 examples of Ford F250 weights – all of which you can see below. furniture for sale near me craigslist This may not seem like much of a difference, but it certainly adds up over the life of a vehicle. Today we’re going to tackle the iconic behavior of a Gym Asshole: dropping their weights. Sounds more like a workbench or table than a shelf. Carnitine is a naturally occurring protein in the body that helps convert fat into energy and is often used in weight loss. The screen weights 50 lbs and would be hanged from each end. This provides ample room for roots to grow. However, it’s important to note that different bed frame models may have different weight limits. After all, in most homes you can remove as much as you wish of a load-bearing wall, but it has a lot to do with what’s inside the wall, and how you plan to redistribute the weight. Perfect for projects that require structural dimensional lumber that meets. Now find the board footage of your lid by multiplying its length, width, and thickness, and dividing by 144. For other size lumber, use a nail slightly smaller than the lumber’s width. So, how much weight does a 2x4 hold exactly?. The following tool estimates the total number of tiles necessary to cover a floor, roof, wall, or any other surface. Stone can either be a single slab or individual stone pavers. Calculate the square footage of the decking board: 8 ft × 0. How many 2x6x8 are in a bunk? A bunk is a term used to describe a full unit of lumber. 25 pounds per cubic foot more than untreated boards of the same species. This allows plywood to support heavier loads. A 2×4 can hold around 1000 pounds vertically because the weight is not against the grain. This is not always the case, but specific gravity is a useful. 500 sq ft x 5/8 inch thick weighs 1,300lbs. 47 after $25 OFF your total qualifying purchase upon opening a new card. mgs4 crashing rpcs3 z254 parts To do that, you need to know, “how much weight can a 4×4 hold?”. Here is the equation behind the calculator: Cost of lumber = total linear feet (length in feet) * price per foot. The specific formula is: Weight of C-channel steel = (Sum of the dimensions of the expanded section + Thickness) * 100 * 0. If you were trying to hold the slate out from the wall a certain distance, that would make the bottom corner of the mount into a lever arm applying the torque of the slate bearing down on the. Meets high grading standards for strength and appearance. Lastly, your average 1″ thick natural stone weighs about 14 pounds per square foot. My dads house, built in 48 had nominal 2 x 4's that were 2-5/8 x 3-5/8. Each 16d nail holds 180 pounds. The IKEA Kallax range comes in various sizes, and the amount of weight they can hold differs depending on the size and configuration. Use our weight per foot calculator to help us at Eaton Steel Bar Company provide the best steel for your application. Advertisement During the months leading up to "I do," you becam. If it sags it's not strong enough. 6:1, and a wet sump lubrication system. A single lag screw in a wood stud can bear a weight of between 80 – 100 pounds; two screws can hold 160-200 pounds. A 4-inch x 4-inch piece of square steel tube with a wall thickness of 0. How much does a pressure-treated 2×6 weigh?. How much does a bunk of lumber weigh? Per the above charts, the weight of a bunk of lumber varies depending on whether the wood is kiln-dried, green, or pressure-treated. But a 12-by-36-inch piece of ¾-inch plywood can support 50 pounds easily. Standing upright, a 4×4 can support upwards of 4,300 lbs, provided there are multiple, properly spaced 4x4s. So, if you weigh 145 pounds and stand 5-feet-5-inches tall, calculate your BMI with the. , 5/8" Gypsum, Insulated, 3/8" Siding 11. How strong is 3/16 acrylic? 3/16-inch acrylic sheets have good tensile strength and are suitable for various applications. The axial load, or load weight limit, for metal studs varies widely. Mobile application TIMBERPOLIS. A good indicator of a wood’s strength is its density — the weight for a given volume. 2x4s come in different lengths and could be as long as 20 feet. Someone posted a design plan here sometime back, or e-mail me and I'll try and send something. motorcycle crash tucson az 3/4" 4x8 Fire Retardant Ply 70. 5-in x 96-in) Our lumber is a premium blend of spruce, pine and fir. All Tacoma SR5 models are equipped with a standard 6-speed automatic transmission. Most 2 x 4’s are used as vertical wall studs; roof rafters and floor joists are generally made with 2 x 6’s or taller for more strength. Jun 27, 2023 · Sarabeth Asaff South. 25-in D ProSTUD Galvanized Steel Wall Framing Stud. is rbxidle legit For example, if you are a 5'10" male estimating your ideal weight with the Devine formula, you would add (2. This Item is a mold variant of the following Item (s): Part 3001special Brick 2 x 4 special (special bricks, test bricks and/or prototypes) Part bhol04 Brick 2 x 4 without Bottom Tubes. 1) check plans to determine span and on-center spacing (design conditions) 2) check codes for allowable live load, snow load, dead load and deflection. Side-by-Side (SxS) or utility ATV weight is between 600 to 895 lbs. To calculate the weight of a pallet of wood, follow these steps: Step 1: Measure the dimensions of the pallet (length, width, and height) in inches. From years of experience, I'm here to tell you that the rough opening should be at least 38 and 1/4 inches wide and the height of the opening should be 84 inches. Construction Common Redwood Board. 5/16 inch lag bolt - up to 200 pounds per inch of thread. Simply multiply the weight of each 2×4 by 294 to calculate. PDF: 2x4x2_Concrete_Ecology-Block_MA_MI. Locate a similar piece of glass to those used in the windows of your shed. It can be complicated to figure out exactly how much a tiny house will weigh when you're designing your tiny home. For the calculation formula, the theoretical weight of the I-beam can be calculated using the formula W = 0. Post frame trusses are commonly used in a variety of agricultural, commercial or industrial applications. Dimensions – The quad offers a sealed, water-tight trunk and front and rear cargo racks. Most standard pallets weight around 30 lbs. In this case we will estimate the weight by adding the top chord weight (2x6 times slope correction), the web members (2x4 times same slope correction), and the bottom chord together to get a unit weight of 3. V3 = ( (R x 2) 2 - (π x R 2 )) x L. Want to get paid to lose weight? Here are a few real ways that you can make money by losing weight. Depending on various factors, a 2×4 floor or deck joist can span a maximum of 6’ 7” at 16” spacing or 7’11” at 12” spacing. I’ll assume an average grade of Number 1 (C16). Timberstrand Laminated Strand Lumber is Engineered to meet code requirements for walls up to 30-ft tall. Calculate the volume of the wire: πR 2 × L = 3. set 6:00 a.m. alarm If your force is perpendicular to the direction the bolt is going through the 2x4 and the force is parallel to the 4" side of the 2x4. Lay-In Ceiling Panels are more common today. Fire resistant due to its high melting temperature of 1177C (2150F) Excellent sound absorbency. history alive interactive notebook answer key It's close enough to back up a WAG. Green Boards 8 foot - 13 pounds (5. Again, all of this varies from manufacturer to manufacturer. Who is going to be hanging 500-600 lbs between two studs on a wall? Great test, but it just proves to me that any of these materials would . 12 inches, and the width is 45 inches. This article explores their benefits, effects, and how to use them. This all depends on its length, grade, load, and wood species. However, it’s good to know what the maximum weight capacity of the swing is because if you go over that capacity, the swing will most probably collapse. Here's how you can calculate it: Determine the volume of the aluminum sheet with: volume = width × length × thickness. I needed 8 more 14 foot 2x4's to complete a project. If the wall runs perpendicular (at a 90-degree angle) to the joists, there is a good chance that it is a load-bearing wall. Well-dried, seasoned oak has of a density of about 3. So, for example, at 8-inches x 8-inches, you can choose from a wall thickness of 0. How much weight can a 2×4 hold or support horizontally? You have to remember the load position for this issue. Trex Transcend 2x4 and 2x6 Lumber. zillow ironton mo At the end of the day, we exceed these industry standards by many times over with much of our testing. In this article, you will learn about the span and the variables that can affect the. A 12-foot length of treated, yellow pine 5/4-by-6 decking will weigh an average of 13. 2x composite boards to match Trex Transcend decking for railings and special applications. A 2×6 is 99 cubic inches per foot. Jan 29, 2023 · The average weight of a 2x4x8 piece of wood. For an idea of current shed pricing, check out our current inventory or request a custom shed quote. In its heaviest form (standard drywall), the weight of a 4′ x 8′ drywall sheet ranges from around 38 lbs (1/4″ thickness) to almost 154. Detailed specs and features for the Used 2022 Ford F-250 Super Duty SuperCab including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and. Max Length for UPS shipping 90". Actual size: dimensions at time of manufacture. These dirt-cheap nails, even more than the 2x4, were responsible for the rise of 2x4 could just be nailed together, rather than needing . Thinner sheets of plywood can be glued together (laminated) to make a thicker panel for cutting sturdier …. 2 x 4 x 8' Laminated Strand Lumber (LSL) Model Number: 1068501 Menards ® SKU: 1068501. Find the number of decking boards needed (plus 10% for waste ): 144 ft² / 4 ft² × 1. However, for a more accurate assessment, you …. As 2 x 4's age, they dry and harden. A metric 2440mm by 1220mm OSB sheet weighs from around 11. Detailed specs and features for the Used 1999 Toyota Tacoma Regular Cab including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. Wondering how much weight (olympic plates) I can safely hang vertically on 6 weight pegs on a single 2x4 stud? Ideally I would hang my plates all in a single row (we really need to utilize our space) which would put about 550lbs on one stud. Shorter lengths are easy to transport. Build the bench, then keep adding weight until it breaks. 3) Note that nominal thickness may not be the same as actual thickness. Exterior curtain walls are non-axial load bearing and must be designed to withstand the highest lateral loads, wind or seismic, prescribed by the building code for the particular construction location and type. Ikea Kallax 2x4 Weight Looking into purchasing the Ikea Kallax 2x4 and would like to position it horizontally. After inserting the variables and calculating the result, check your answer with the calculator above. ): Framing Lumber and Sheathing: 2×4 @ 16" o. Below are some typical moisture contents of lumber. 625-in W x 144-in L x 120-in D Galvanized Steel Wall Framing Stud. About Our Plywood Weight & Thickness Charts. Aka, a 2x4 joist can span 8 feet, but longer than that and you need a 2x6 (up to 12 ft), 2x8, etc. Please enter values then click on Calculate. If the angle is less than 5 degrees, the weight capacity stays pretty much the same. That’s going to carry substantial weight. Post frame trusses are designed to be placed at spacing's greater than 2' and up to 9' on center. Depending on the type of rock it may weigh …. 3) select appropriate span table. WooduWeigh is an real time calculator that uses a bespoke wood density algorithm that allows you calculate the weight of any quantity (size, thickness and length) of multiple …. 5 and have been that way for quite a while. A kiln-dried 2×6 can weigh between 12 and 26 pounds depending on its length, species, and moisture content. 2008 F250 Lariat 4DR Crew Cab 4WD LB – 6,618 pounds. You can also calculate the volume of lumber by measuring the length, width, and thickness in inches and multiplying them together. It can help create air, water, and vapor barriers while providing sound blocking. Hook each loop over the screw hook in the ceiling or use an S-hook between the eye and the rope loop if you have a screw eye or eye bolt. I'd like to know how much weight I can safely hang from the ceiling (joists? See picture below. 5-in x 16-ft) Our lumber is a premium blend of Spruce, Pine and Fir. How much more should clear pine weigh than knotty pine, percentage wise …. For a frame of reference, standard ultralight 1/2" drywall that is used in interior residential construction generally weighs about 39. 65 pounds per linear foot, but the single most common 2×4 weight is 9. sales at hobby lobby 12% is the average equilibrium moisture content in most areas of the U. Advertisement You may be commit. Foot board measure is calculated. If your 2×8 is 12 feet long, multiply 12 by 1. Be sure to distribute the weight across as many as you can. In comparison, a bundle of 2x4x8 Sitka Spruce lumber weighs 2,350 pounds at a board size of 294×8, which would be lighter than a similar square foot. Lumber treated for ground contact has 0. Metal gets heavy, and whether you want to see how much shipping is likely to be, or if your vehicle (or back) can handle it, it’s good to know what your order weighs. This might be a little off but not by much. Around 19 pounds per square foot. wall height, and a 20 psf wind load. Using 40MPa for the UTS of pine, im getting roughly 309 pounds, perpendicular to the beam. liz claiborne career pants pull on Meets the highest grading standards for strength and appearance. Trex 12-foot long decking board can weigh around 27 – 28 pounds. blick gift card amazon It's all on your phone, always at hand, any time, even without the Internet! Calculator - Timber - Volume - Weight - Wood units converter - Wood calculators. wake baptist mychart The weight of an 8 foot long 2x4 depends entirely on the wood. Typically speaking, the maximum weight of a tiny house is around 10,000 pounds. Prop up the swing on a box to get it level and at the desired height. You would have to have quite an elaborate mounting system to actually cause a 2x4 stud wall to buckle before the fasteners failed. Remove your drywall screws and repair the access hole. Standard sheets of plywood come in 1/4-inch, 3/8-inch, 1/2-inch, 5/8-inch, and 3/4-inch thicknesses. I would also make some triangular supports, possibly out of 2x4's or plywood, and at the bottom of those supports have a second 2x4. 5-Gauge Galvanized Steel Woven Wire Rolled Fencing with Mesh Size 6-in x graduated mesh. A soft wood such as Eastern Pine at 25 percent moisture. 5/12 29 29 39 33 33 45 37 38 52 39 40 55 3/12 34 34 46 37 39 53 40 44 60 43 46 64 3. 2011 F150 King Ranch 4WD Crew Cab – 5,577 pounds. As mentioned before, it's as close as you get with the type of material your working with, but using the actual density at 12% MC is a more accurate method than even with the actual specific gravity. Available Payload: 0 kg Available Towing: 0 kg. Does not rot or promote growth of fungi or mildew. Common: 2-in x 4-in x 4-ft, actual 1. Shop framing lumber and a variety of building supplies products online at Lowes. Table 4: Plywood Weights in Kilograms per Standard Sheet. Average equilibrium for interior wood in US ~8%. When the wall runs parallel to the floor joists, it typically is not a load-bearing wall. How much weight can plywood actually support? The thickness is the most important part. 2,000 pound capacity means that two brackets will typically. zillow puerto rico homes for sale What is the weight of a standard steel beam?. 188" Wall {C} Rectangular Steel Tube (Tubing) E-mail this product to a friend. To order online, email info@whittingtonsteel. Large: (More than 10 cm): Ranging in size from a grapefruit to a. 5 pounds per board foot, with an average. But the Stratford's geometric design combined with the. For specific load-bearing requirements, consult engineering guidelines or a structural engineer to ensure safety and proper. Start Off Strong With Dimensional Lumber Dimensional lumber refers to softwood lumber that has been milled on all sides to common sizes, including 2 by 4, 2 by 8, 2 by 10 and 2 by 12. R-13 faced insulation, easy 2x4 wall install. That would put the longbed 4WD at about 4300-4400 lbs. ) 47 in Vanity Mirrors; Beige Seat Two Piece Toilets;. Towing Capacity – The quad has an accessory hitch towing rating of 850 lbs. Here are the formulas for a few common shapes: For a rectangular/square section: Weight = Length × Width × Thickness × Density. Bricklink states the 1x4 brick as 1. , beam, column, tube) depends on its shape. Size & Wall Weight Per Foot Size & Wall Weight Per Foot 8 x 3 10 x 3 x 3/16 13. From my experience, accurate input is crucial for. Borate treated lumber provides warranted protection against rot and termites, including the formosan termite and rates low in environmental impact. Hindsight is 20/20 and I didn't align everything perfectly, so the slider for the fence needs to notch out about around 50-75% of the horizontal 2x4 that forms the frame of my workbench I'm worried about weakening the structure / frame too much. 5/4 decking boards are the most popular size of decking and are cheaper than 2×6 boards. ashwagandha anhedonia When you take them out of the box you will be surprised by the minimal weight of their Feather-Light construction. “Since this isn’t a floor, then the allowable deflection tables don’t really apply,” adds Jigs-n-fixtures. 4 Torque RPM 2400 Type of cooling system Air Valve types and configurations OHV Bore (millimeters/inches) 82 / 3. I have had it down to 6700 with no gate. The wood species and amount of moisture in an 8-foot 2×4 wood stud affect its weight, as does whether it’s kiln or air-dried. If you are buying lumber, it is important to know the weight of each piece so that you can buy the right amount of lumber for your project. 134 S-P-F xxxx KD-HT 2" where xxxx is illegible. Blech sums up the question that many of us have found ourselves thinking: Today we’r. Rip the 2x4 to reinforce the corner joints of your apple boxes. Note: Bending means how much it can support if you don't care how much it will sag. The Mitsubishi Triton 2009 is available in Diesel and Unleaded Petrol. The total bearing area of three 2x4s is 15 3/4 square inches; two 2x6s have a bearing area of 16 square inches. Most post frame trusses require 2x6 or larger top and bottom members with 2x4 or larger webs. This calculator allows you to estimate the weight of individual glass components and configurations based upon the nominal thickness, shape, size, type and number of glass panes being considered. In the market, rectangular steel pipes can be supplied based on either actual weight or theoretical weight. 2016 Rancher 420 ATV Horsepower: 26. Glue Up in Surface Mount Ceiling Tiles. The thinner edge of 2 2X4 is 3” while the thinner edge of 1 2X6 is only 1 ½”. How Much Does Steel Weigh? Click here on our steel weight calculator and find out. This way it does not include the mortar. Weight Average - How Much Does Trex Weigh. When compared to other types of panels, such as plywood, 7/16 OSB offers similar load capacity. Oil Capacity (Quarts) Year Model 1996 Bearcat 1997 Bearcat 2x4/4x4 1998 300 2x4/4x4 400 2x4/4x4 500 4x4 454 2x4/4x4. The Yamaha Big Bear 350 4WD weighs 564 lbs and the Big Bear 250 model weighs 456 lbs. This can also depend on the description of the load. However, as a general reference, a standard bundle typically contains 294 pieces of 2×4 lumber. Comfortboard® 110 is a thermally efficient, moisture-resistant, vapor permeable board and takes the place of other external sheathing. 17 Results Nominal Product H x W (In. That's a lot of weight for just a small piece of cube mold!. Nominal Size: Weight (lb) 2x4x8: 11: 2x4x10: 13: 2x4x12: 16:. Drop ceilings are also called suspended ceilings or acoustic ceiling tiles. How Much Weight Can a 2×4 Stud Support Horizontally? A 2X4 wood stud can support 20 – 40 pounds per linear foot, when the load is applied horizontally. Going to a 2×6 stud wall will bump up the R-value to R-31. QUICK ANSWER: Horizontally, a 2×4 supports 20-40 pounds per foot if weight is evenly spread. Click here for important information about telescoping. Ground Contact Pressure-Treated Board Southern Yellow Pine Lumber. 1999250 2x4 300 2x4/4x4 400 2x4/4x4 500 4x4. You may wonder whether a weighted blanket can help you manage your ADHD symptoms. A 2×4 that is warped, twisted, or cracked will not be able to hold as much weight as a 2×4 that is straight and undamaged. 615 (r2 r12)], where W represents the theoretical weight (in kg/m), h is the height, b is the leg length, d is the waist thickness, t is the average leg thickness, r is the inner arc radius, and r1 is the end arc. Therefore that box is 19 inches high (including 1. As a general rule, a screw can hold 80-100 pounds (36-45kg) in weight. 7 pounds, which seems reasonable for a 2x6. 1/4 inch lag bolt - up to 100 pounds per inch of thread. For a common 2×6 joist, spaced 16 inches on center, it can typically support a live load of 40-50 pounds per square foot. That means you need an 8 foot span, as well as a 4 foot cross-span, and you need to keep all this rigid so it doesn't spread and lose strength.