The 210 weights are for air-dried lumber; kiln-dried lumber will weigh a little less, and green lumber can weigh a lot more (but should eventually reach air-dried weight). The thickness is the most important part. Different types vary in looks, price, availability, need for maintenance, and resistance to rot, decay, and insects. But Subtract scale reading from GVW and that is the load you can legally carry. 2 Stud Std&Btr Species Length (ft) 4x4 4x62 4x61 4x4 4x62 4x61 4x4 4x62 4x61 4x4 4x62 4x61 4x4 2 23098 35531 34779 20392 31356 30704 18384 28237 27679 10701 16233 16033 16559 ft. of footprint for that whirlpool tub. Private Vatican Tours Early Morning, How much weight can a 6in concrete slab hold? The only problem is it weighs 8000lbs. Im going to use axels from a truck to get it to roll. For example, a floor joist at 16 spacing's that can carry 53 pounds per linear foot would translate into a 318 pound single point load at its center. To compare built-up wood beams, I multiply beam width by beam depth squared, and then I divide the product by 6. This weight is temporary. Here is a rough comparison of the materials: Wood: Pros: Pressure-treated softwood (pine, fir, hemlock) is the cheapest option; x 12 in. It certainly wouldn't hurt to offer a little moral support with a 4x4 placed vertically under the middle of the steps run from underneath. A fourth type, not often found in building structures, is known as a simple support. Mr. Gray has over 25 years of experience in the roofing industry, with training and practical experience in roof safety, roof inspection, roof condition assessment, estimating, roof design & specification, roof installation, quality assurance, roof maintenance & repair, and roof asset management. vegan) just to try it, does this inconvenience the caterers and staff? Depending on the actual moisture content of a particular piece of lumber, which can be well above 100% due to the way the moisture content of wood is calculated, green lumber can weigh more than 50% more than the same lumber when air-dried. All other variables being equal, H-beam rods are the strongest design. When supporting How long is the joist? Related Products. He is also the editor of the Roof Online website. So the formula here seems useful: https://en.wikipedia.org/wiki/Flexural_strength. If your 210 is 14 feet long, multiply 14 by 2.7 pounds to get 37.8 pounds. I get about 1,000 lbs. lineman standing on one leg will fall through the floor. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Click to see full answer. Kommentare deaktiviert fr how much weight can a 2x10x8 support. It is also good to know what factors may affect the span of a 28. center load. What's the maximum amount of weight you can attach to a wall with command strips? Model # 2P021016S4. The Such calculations would hold if, for instance, the load is square. What are the most dangerous parts of Baltimore? A 4-inch thick concrete can support upto 40 pounds of weight. Designation (Width x lbs/ft)Nominal Size Depth x Width (inches x inches)Allowable Uniform Load (lb)Span (ft)W8 x 158 x 410500W8 x 188 x 5 1/213500W8 x 218 x 5 1/21620011 more rows. 3 inch I-beam | 10u2032 Long | ASTM A36 Grade When used with Webb 500 pound beam trolley model 9792 the maximum load is 500 pounds. Weight per square foot is far less important here than the total weight of the thing. What weight would completely bend the tube to failure is not known. Find 9.6354% of the density in pounds per cubic foot of the wood species your 210 is made from. of humans. Lets say youre trying to figure out the weight of a 210 made out of Ponderosa pine (also called western yellow pine). You have to remember the load position for this issue. Use a 3-ply #2-SP 210 beam and the spans increase to 7'-6" and 13'-0" for the same joist spans, and 7'-2" and 12'-6" for a triple 210 #2-SPF beam. Specifications Dimensions Assembled Depth (in inches) 8 Assembled Height (in inches) 2 Assembled Weight (in lbs) 27.1 Assembled Width (in inches) 10 Packaged Depth (in inches) 96 Packaged Height (in inches) 1.5 Packaged Weight (In lbs) 21.7 Packaged Width (in inches) 9.25 Details Certified Country of Origin CA-Canada Material Wood The thickness is the most important part. The soaking bath tub holds a maximun of 70 gallons of water. The table below can be used for approximate weight values of common loads and materials. Increasing the length of the column drops its weight rating to 10,200 pounds. Empty cart. The header is usually made out of dimensional lumber installed on its edge. How much weight can a 24 hold or support horizontally? For your comparison to be valid you'd need to consider 2400 lbs. You will probably need a beam running This answer is: Study guides. The values given in the table are meant to provide a general idea of typical 210 weights, and should not be used if precise values are needed for critical engineering calculations. I-beams are the choice shape for structural steel builds because the I-beam makes it uniquely capable of handling a variety of loads. The first deflection formula we need determines the allowable sag of a floor joist using a ratio. How much weight can a concrete patio hold? If you really want to know what YOUR truck can carry, legally. In this article you know about how much weight can a double 26, 28 & 210 header support load bearing wall that will help you in better understanding and to figure out or estimate of header size and their depth and help in important for you to use the right size header. Answer (1 of 3): That depends on a whole bunch information you did not provide. How much weight can a 48 beam support? x 8 ft. for pricing and availability. An 8-foot length of 24 that can support 1,000 pounds vertically will sag unacceptably under 200 pounds vertically without any support in the middle. Almost If planks were laid on those stairs then at least 3 stairs would come into play if 600 pounds was placed over one stair. x 12 in. per the A 24 is much less strong horizontally. To calculate how many floor joists you will need, let's say on a floor that is 10 feet (or 120 inches) long and using 1.5-inch thick floor joists at 16 inches on-center spacing: The standard size of floor joists is 2" 8". For example, a 2x4 lumber may hold a 4-cylinder engine comfortably but may not hold a Only show this user. Copy. Step 1 : Determine the wood type. If you're wondering what would your age be from a Korean perspective, use this Korean age calculator to find out. However, this type of plywood can only hold up around 10 pounds, so that definitely isnt ideal Only show this user. Your calculation shows nearly 14 sq. for pricing and availability. A 4-inch thick concrete can support upto 40 pounds of weight. A 2" 10" floor joist has a span of 20 feet at 12-inches on-center spacing. Each 2x10 will support 1,200 lbs. H-beam is a stronger design when bending stress is considered, Davis said. Find My Store. HCM, Dch v lm th tc cho tng nh t trn gi, Dch v lm th tc mua bn nh t trn gi, Dch v sang tn trc b (sang tn s ) trn gi, Gi t vn Lut cho Doanh nghip trn gi, dch v lm giy php kinh doanh gi r trn gi, Dch v ng k m vch trn gi mi nht 2021, Dch v lut s ring ca Cng ty lut KM UNION, Dch v lm giy php kinh doanh gi r trn gi, T khai l ph trc b, nh t mu 01/LPTB 2022, Mu giy cam kt khng c tranh chp t ai. Features. What is the maximum span for a 2x12 floor joist? HomeX virtual experts will assess your issue (for If you really want to know what YOUR truck can carry, legally. how much weight can a 2x10x8 support. Related Products. x 12 in. Have in the truck it's day to day normal items. The header for a window & door is seems like a bridge that transferring the weight above it to the floor and foundation below. they are an engineered LVL board that are very strong and certified. And to support the pipe. How Much Weight Can Plywood Support? Is the load even or a point load; e.g., if the load is 40 pounds, a 24 of 10 feet will For example, a 2x4 lumber may hold a 4-cylinder engine comfortably but may not hold a x 8 ft. 2-in x 10-in x 12-ft Southern Yellow Pine Lumber. I used three pressure treated 4x4's when moving my Tormach without an issue. High quality lumber from the Inland Northwest region in North America. One of the strongest steel beams on the list, H-beams, is made up of horizontal elements, while the vertical beams act as the web. Op is seeking maximum load. Deck flooring can be made of natural wood, synthetics, or composite (a mixture of plastic and wood). This beam section is ready to mount and can be located in place with welded or clamped attaching systems. How much weight can a 24 hold or support horizontally? The thickness is the most important part. I-beam rods are easier to produce and can sometimes be lighter than H-beams. How much weight will a 2x12x20 support? This may seem light, but this is 50 pounds over each and every square foot of floor space. can i use dmv kiosk with smog check; how much weight can a 2x10x8 support . Web component is responsible for withstanding against shear stresses while flanges put resistance against bending. One 2x12 can support about 180 lbs. your request. Can be painted or stained. At 16 inch spacing, 15 feet 2 inches and 13 feet 3 inches at 24 inch spacing. The 2x12's would hold around 150 pounds per foot x length x spans but then you get into mode of rupture or elastics, dead weight live weight. The depth of each structural member will also be a key player here. Column Select Structural No. That will be the number of floor joists we need. 2-in x 10-in x 8-ft Fir S4S Kiln-dried Lumber Model # WF210TOPCHC08 Find My Store for pricing and availability 708 Actual Dimensions: 1.5-in x 9.25-in x 8-ft Wood Species: Fir Dressing: S4S Drying Method: Kiln-dried 2-in x 10-in x 14-ft Fir S4S Kiln-dried Lumber Model # WF210TOPCHC14 Find My Store If planks were laid on those stairs then at least 3 stairs would come into play if 600 pounds was placed over one stair. *All Lumber is subject to . The mandatory rule is found in OSHA 1926.451 (f) (16) and says a scaffold board cannot deflect more than 1/60th of its length when loaded. 2021 Design Values For Joists And Rafters, Check out 19 similar materials specifications calculators , How to calculate how many floor joists you need; and. Rockwell Typeface Characteristics, Board Length: The length of the 210 will obviously be the biggest factor in determining 210 weight. 166.5 is 1/10.3784 of 1,728, or 9.6354% of a cubic foot (166.5/1728 x 100 = 9.6354). how much weight can a 2x10x8 support. Find out the water flow rate of your shower with this gallons per minute calculator (GPM). If there is no strong wind, a 2x4 measuring at least 8 feet can support at least 1,000 pounds Find My Store. Thus, a double 26 header is meant to hold up to 2250 lb weight for span upto 4 feet. Green lumber has a moisture content above 19%. Here you can operate by assumptions that there is no wind or it is not as strong. Do you intend to orient the 2x12s horizontally or vertically? I use working stress, not ultimate strength. A 12-by-36-inch piece of plywood that is -inch thick will only support about 5 pounds before it starts to bend. According to the 2012 International Building Code, the sag or deflection of a floor joist subjected to dead and live loads should not exceed a measurement equal to the span of the floor joist, L (in inches), divided by 240240240. rev2023.3.3.43278. The mandatory rule is found in OSHA 1926.451 (f) (16) and says a scaffold board cannot deflect more than 1/60th of its length when loaded. In fact, each 2x10 will support 1,200 lbs. The stud could fail due to compressive failure of the wood. Weight should not exceed 40 lbs/sq ft on an undetermined 4-inch slab. A 2x8 up to 12 feet; 2x10 to 15 feet and 2x12 to 18 feet. I weigh 275 and any one of my stairs will hold my weight. But first, generally, how far can a 28 span without support? And a 12 foot span ( garage is 12 feet wide ) is there a way/formula to figure out how much a 2x6 standind on end with the weight in the center can hold. The No.2 grade of Douglas fir and Southern yellow pine can support up to about 50 pounds per square The type of load in question will also determine how much weight a 2x6 can hold on edge. Consequently, how far can a 2x10 beam span without support? The hole through the center is only 4in and Im not sure if I could get a 4in pipe through there. The choices on the list are kiln dried 2 in. Plywood with a 1/4-inch thickness made of fir can only support five pounds. Decking Installation 10 Common Deck Building Mistakes & How to Avoid Them Building a deck can be a complicated process. Technically it can hold the weight, but it will sag three inches toward the middle, which is much more than acceptable. Model # 2P021012S4. Exposure to excessive moisture for tree sawn and engineered lumber will also temporarily increase the density (water log). This means a board on a 7 span can deflect up to A 26 can carry 53lbs per linear foot on edge according to the Building Codes. Subsequently, one may also ask, what is the maximum span for a 2x10 floor joist? After drying, the boards are finished by being planed and smoothed, and having their corners slightly rounded. Thus, a double 28 or 2- 28 header is meant to hold up to 3130 lb weight for span upto 6 feet. Joist Spans. This is because when you find them in the store, they are usually freshly-treated, or have only been drying for a couple of weeks.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'roofonline_com-large-mobile-banner-2','ezslot_6',869,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-large-mobile-banner-2-0'); The water weight added to the wood during the pressure-treating process leads to freshly-treated boards weighing up to 75% more than the weight of untreated boards. In comparison, the cross section of an I beam can bear direct load and tensile but cannot resist twisting because the cross section is so narrow. However, a #2-SPF 210 will only span 3'-6" to 6'-8" at those joist spans. 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. About Weight 2x10 Much A How Can Hold Horizontally . Green lumber has a higher moisture content than air-dried lumber, and air-dried lumber has a higher moisture content than oven-dried lumber. Typically header is provided at least twice size then any other surrounding members such as rafter purlin and stud. It is about 2,100 lbs. How much weight can plywood actually support? The server encountered an internal error or Share Improve this answer Follow answered Nov 15, 2017 at 5:19 LRU 51 1 1 7 fifa 21 world cup career mode; 1205 n 10th pl, renton, wa 98057; suelos expansivos ejemplos; jaripeo sacramento 2021; 2 Southern Pine lumber spaced at 16 inches on-center. The flanges and web create a cross-section that mimics the shape of the letter H and are popular in construction or civil engineering projects. If it was 7 inches thick, it could support 1,194 psi, and if it was 12-inches thick, it could support 1,563 psi. Jack Gray is a principal roof consultant and vice president at theMoriarty Corporation, an award-winning building enclosure consultant firm founded in 1967. In general, a 24 can hold a horizontal load of around 20 to 40 pounds per linear foot if the weight is evenly distributed. A board with the same dimensions made out of Sitka Spruce only weighs around 8 pounds. How long can floor joists be without support? This answer is: Summary How can I calculate the maximum load a rectangular horizontal wooden beam of dimensions L x H x W can safely support if the beam is adequately supported at both ends? x 12 in. in my garage I have 2x6s spaced 24 inches apart. For example, a floor joist at 16 spacing's that can carry 53 pounds per linear foot would translate into a 318 pound single point load at its center. Roof Online participates in the Amazon, Home Depot, and Roofle affiliate programs and may earn commissions from purchases made through links on our website. Take note that the length of floor is the measurement perpendicular to the floor joists. How do I reset my Samsung ice maker rsg257aars? How much weight will a 2x12x20 support? 210 Lumber Weight by Wood Type and Length, (Average Dry Weight, 12% Moisture Content). This tool is also a floor joist span calculator (which you can use separately) to determine the maximum allowable span a floor joist can have. Load bearing walls those that carry the weight of joists and trusses require larger headers than non-bearing wall. 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. Could five 200-pound guys stand on the planks safely? A distributed load creates a lower maximum bending stress in the beam than a point load of equal total weight at the center. I find that a useful way to think about this is to convert "600 pounds" or "1000 pounds" into a number of people. This reduces the actual dimensions even further; it also lets the lumber producer be certain that the final product has the dimensions required byindustry standards. S KH: 41.02.3607/TP/KH Why are trials on "Law & Order" in the New York Supreme Court? Jun 28, 2007. Is The Emerald Grande Sinking, The amount of weight that a 44 can support horizontally will depend on the type of wood you are using, the grade of wood, and the length of the board itself. Tight grain lumber with small knots that is resistant to cupping, twisting, and bowing. The actual dimensions of a 210 are 1.5 x 9.25. The header helps to provide support, stability and strength to the top and side sections of the door frame. Supported at 16 centers and the load jumps to 4,000lbs. A 26 can carry 53lbs per linear foot on edge according to the Building Codes. The density and weight of lumber varies with the water or moisture content in the wood. I beams are always in demand because of their strength, cost effectiveness, and versatility. It does not mean that a 300 lb. To learn more, see our tips on writing great answers. Any of these supports can be seen at any point in the length of a structural element. Spacing floor joists too far from each other means we would need lesser floor joists to cover our entire flooring. Jun 28, 2007. The 2x12's would hold around 150 pounds per foot x length x spans but then you get into mode of rupture or elastics, dead weight live weight. How much weight will a 2x12x20 support? Usually the product itself has a weight threshold. 2x8 are not used for floor systems. Posted on . 5/8" 4x8 Fire Retardant Ply 57.6#/SHEET 1800#/MSF. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. SPF Square Edge Lumber. All times are GMT-5. This value will be used to figure out what percentage of a cubic foot a 1-foot-long 210 is. x 8 ft. That load is too concentrated for a 12' span supported only at the ends. Our board footage calculator can help find the volume of your wood in board feet. ann demarest lutes johnson. A 10 foot long 24 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 ft-lbs. 2 x 10 are the nominal dimensions of the board. This is often idealized as a frictionless surface). 80 lb/sq ft in isolated areas is fine, but unless you know what the soil bearing and reinforcing is for that slab, you might be looking at cracking. How to attach horizontal bar to a wooden wall? I am thinking of constructing a wooden bed/desk/roof/shed/ship/bridge/rocket, There are lots of span calculators available online, which help you determine what size lumber to use in home or deck construction. Depending on various factors, the maximum span for a 28 floor joist Related Products. Common Approaches. Weight Of A Douglas Fir 2x10x8 Douglas fir is a good lumber option for projects you are trying to paint, but it does not hold stain well and has To be clear, spans are measured as "clear spans". 2 Southern Pine lumber spaced at 16 inches on-center. Mennonite Holidays 2022, helensvale aquatic centre birthday parties, find the missing length of a parallelogram calculator, has lg fixed their compressor issues 2021, applied behavior analysis cooper 3rd edition pdf, a typical crash related to sleepiness quizlet, world war ii in the pacific map assignment, boat registration check western australia, hotels inside heathrow airport terminal 5, what does the shopping cart emoji mean on snapchat, loyola university medical center pharmacy residency, lord of ravaging dynasties 3 release date. Next select a length in feet and inches. Roller, pinned, and fixed connections are the three most common types of supports in beams and structures to connect them to its foundation. You can span a 2" 8" floor joist as far as 12 feet using No. However, dimensions such as 2" 10" and 2" 12" are best suitable for longer spans. x 8 ft. But a 12-by-36-inch piece of -inch plywood can support 50 pounds easily. a regular, clear, white pine 2 x 4 stud grade can support static load of about 450 pounds for a 4' span and about half that for the 8' span with the lowest fiber stress capacity of 900psi. The floor joist calculator is meant for estimation purposes and not to substitute professional expertise. http://www.southernpine.com/app/uploads/SS_7-12L.pdf, http://www.southernpine.com/app/uploads/SS_13-14L.pdf, We've added a "Necessary cookies only" option to the cookie consent popup. Save my name, email, and website in this browser for the next time I comment. I-beam: An I-beam is not made by welding or riveting sheets of metal together and is only one piece of metal throughout. I would definitely cross 3 trusses to spread the weight. Every piece meets the highest grading standards for strength and appearance. A 2x10x8 board weighs about 31.4 lbs. He was awarded the Registered Roof Observer (RRO) professional credential in 2009. You have to remember the load position for this issue. Is the load at a single point in the middle of the joist? Common: 2-in x 10-in x 8-ft; actual: 1.5-in x 9.25-in x 8-ft. Premium Every piece of 2 in. Is the load even or a point load; e.g., if the load is 40 pounds, a 24 of 10 feet will Finally select a type. Wed round this up to 2.7 pounds to be practical. 2x10x8 lumber 2 x 10 2x10x8 pressure treated 2 x 10 x 8. You could try to figure out what the live loads and dead loads for the bed are and go from there. What weight would completely bend the tube to failure is not known. The weight of 2x10 lumber is approximately 3.37 pounds per linear foot. Copyright 2014 - 2023 Roof Online. Weight supported by a double or triple wood header on two 4" x 4" posts: 1 inch = 25.4 mm 1 lbf A 12-by-36-inch piece of plywood that is -inch thick will only support about 5 pounds before it Subtract scale reading from GVW and that is the load you can legally carry. On average, you should expect your Jeeps roof rack to hold between 50 pounds and 200 pounds of cargo, but it varies depending on your particular year and model Jeep and the Keep in mind that the thinnest piece of plywood that you can buy is usually 1/4-inch. You will probably need a beam running I weigh 275 and any one of my stairs will hold my weight. how much weight can a 2x10x8 support. It is about 2,100 lbs. Can a 6x6 post be used horizontally to support the walls of a shed? Consequently, how far can a 2x10 beam span without support? 2 in. For example, a properly designed office floor can support 50 pounds per square foot. 5/8" 4x8 Fire Retardant Ply 57.6#/SHEET 1800#/MSF. The maximum 24 load capacity is 40 pounds or 300 pounds horizontally but speaking on the vertical panel it can hold much greater capacity as compared to how much weight can a 24 holds horizontally. Asking for help, clarification, or responding to other answers. lineman standing on one leg will fall through the floor. Let's say it's 5'x3' dimensionally. When precision is necessary, always refer to the specification sheet for the actual, specific product you intend to use, or contact the technical department of the lumber producer or lumberyard.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'roofonline_com-leader-3','ezslot_13',888,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-leader-3-0'); You can see210s at the Home Depot. Maryland Heights Mugshots, You can also calculate the volume of lumber by measuring the length, width, and thickness in inches and If it was 7 inches thick, it could support 1,194 psi, and if it was 12-inches thick, it could support 1,563 psi. A 2x8 up to 12 feet; 2x10 to 15 feet and 2x12 to 18 feet. The span of the beam will determine how much weight it can support. Damnit, now I want to build a bed/desk/roof/shed/ship/bridge/rocket. Your average yellow pine 4x4x8 will be able to hold up to two tons (4,000 lbs), with the correct vertical support beneath it. I am sure you can do this but think every bit through. 1/2" 4x8 Fire Retardant Ply 46.4#/SHEET 1450#/MSF. Product Code: 030050 OSHA approved Scaffold Plank DI-65 Grade-stamped Southern Yellow Pine CALL FOR VOLUME DISCOUNTS! Step 2 : Look up the density of the wood. I weigh 275 and any one of my stairs will hold my weight. To determine lumber weight, you need to know what kind of wood the lumber is made from. I don't think I'd play, "You Bet Your Mill" on two 2x12s without some serious bracing. An acceptable amount of weight for a 24 to hold horizontally is more like 20 pounds. The amount of weight that a 44 can support horizontally will depend on the type of wood you are using, the grade of wood, and the length of the board itself. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? The average Jeep roof can hold 150 to 200 total pounds while driving too. Typical weights for green, kiln dried and pressure treated lumber boards are indicated in the tables 2x10x8 lumber 2 x 10 2x10x8 pressure treated 2 x 10 x 8. The same board only weighs around 23 pounds after it has had time to dry out. Calculate the support requirements for a load bearing wall -. Im thinking I want to support it with a 3in schedule 80 steel pipe. Your calculation shows nearly 14 sq. So 2.7 pounds is the weight per foot of a 210 made from Ponderosa pine. center load. Why is this the case? The maximum 24 load capacity is 40 pounds or 300 pounds horizontally but speaking on the vertical panel it can hold much greater capacity as compared to how much weight can a 24 holds horizontally. A double 26 or 2- 26 header can support 2250 pounds of total weight when spanning to 4 feet. When supporting joists that span 12 feet with no overhang beyond the beam, a double ply beam can span in feet a value equal to its depth in inches. Click to see full answer. For us to estimate how much it costs to install floor joists, it is essential to learn how to determine how many floor joists we need for a project. An 8-foot length of 24 that can support 1,000 pounds vertically will sag unacceptably under 200 pounds vertically without any support in the middle. Supported at 16 centers and the load jumps to 4,000lbs. assuming worst case - load concentrated at center, for commonly available types of wood (e.g. About Us H-beam: The H-beam looks like one piece of metal but it has a bevel where three pieces of metal come together. But your mill will likely rest over 3 stairs which should bring 5 stairs into play to hold your 600 pounds. Kiln Dried Lumber Boards Right click the chart and open in new window for printing Example - Estimating Shipment Weight of Lumber The shipment weight of 600 ft 2 x 4 dried lumber can be estimated from the chart to be approximately 800 lb Pressure Treated Lumber Boards Pressure treated with chemical preservatives. 1335. google span calculators to give you a better idea. The maximum 24 load capacity is 40 pounds or 300 pounds horizontally but speaking on the vertical panel it can hold much greater capacity as compared to how much 2 Stud Std&Btr Species Length (ft) 4x4 4x62 4x61 4x4 4x62 4x61 4x4 4x62 4x61 4x4 4x62 4x61 4x4 2 23098 35531 34779 20392 31356 30704 18384 28237 27679 10701 16233 16033 16559 The Such calculations would hold if, for instance, the load is square. When used as a joist or rafter 2x12s are oriented with the narrow face or edge up, with any crown or arch upward too. i would go to a scaffold rental place and rent a couple scaffold planks. Joist Spans. And to support the pipe. If everything seems to be going well, you have obviously overlooked something.. ..-- I'd want 2-3 buddies there, Roger that and a cellphone and a quart of Mercurochrome. Wiki User. Once you know what type of wood youre dealing with, look up the density of the wood in pounds per cubic foot.