How much weight can a 2x8 beam hold. I want to avoid running my chimney all the way into the basement and my floor system has 4x10 hemlock floor joists 16" OC. Jun 21, 2006 · Framing, Flooring and Sub-Flooring - Loads for a 2x8? - Dose anyone know how I can find out what the load a 2x8 can carry? I have a whirlpool tub going in over some 2x8's on a 12 foot span. Shaded values are limited by the perpendicular-to How much weight can a 2x8 joist hold? some of it gets pretty technical in nature, and mostly relates to pounds / square foot of loading. Ledger bolted to cinder block wall every 12 inches. It is pretty clear with some small knots. Most floor loads would be a minimum of 2x8 @ 16" oc and most preferbaly 2x10. Secondly, how far can decking overhang? Allow for Sufficient Overhang of Decking A one to two inch overhang beyond the outer fascia board is sufficient. What is the span of a 3 2×10 beam? A triple 2×10 beam (3 2x10s nailed together) provides significantly more strength than a single or double 2×10. Curious if this can safely hold that load over time or if I need to reinstall some minor support column where the old pocket door was. It ensures your For example, if you are planning to store three pallets with loads 1000 lbs each, then the beam capacity must be minimum 3000 lbs or much more. For headers In this guide, we’ll explain what span means in terms of construction, factors that impact the span, and how much weight a 2×8 can support. Jun 13, 2012 · The strength in bending of any beam is related to the moment of inertia of the beam, which for a rectangular beam is equal to 1/12bd^3, where b is the width and d is the depth, and ^3 means cubed. The online wooden beam calculator helps calculate deflection, load, and strength for wooden beams. Oct 13, 2015 · 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? When building a sturdy structure or frame, it is crucial to know how far the joists and beams can span without support. Jun 5, 2021 · First, 2x8’ at 16” on center with a span of 14’ can support a “Total Load” of 68 psf. How much weight can 2x8 hold? A 2×8 will adequately support a dead load of 20 psf and a live load of 40 psf depending on some factors, including allowable span. Secure the lower 2x8 into the bottom cord and into the vertical 2x8 and then put a a 2x8 collar tie above on each side, secured to the truss and the vertical 2x8. a 20' 2x8 will not carry very much load at all. It is also good to know what factors may affect the span of a 2×8. Sep 18, 2023 · Have you ever wondered how much weight a 2x8x16 wooden beam can support? The answer depends on several factors, including the type and quality of the wood, the spacing between the beams, and the length of the unsupported span. 5 lbs/sq. Jan 5, 2025 · Calculate your 2x8 load capacity easily with our user-friendly calculator. I would pour a large hearth/chimney pad and catch 5 or 6 of the joists and the weight would transfer onto Sep 1, 2025 · Calculate the weight of LVL beams. For this sort of question I use the beam deflection calculator, and the back of envelope condition that deflection should not exceed 1/250 th of the length. With a 12-foot span, the joists will deflect excessively under the weight of the tile, leading to sagging and potential structural damage. moisture content, temperature, density), size & length. This is critical because if you overload the soil more than it can bear, the deck will start to sink. In other words, the weight is distributed or shared uniformly by the members in the floor or roof system. Weight supported by a double or triple wood headers. Accurately plan for shipping, structural loads, and installation. Mar 29, 2022 · Depending on the species and grade, each 2x12 will support about 120 lbs. To attach a joist hanger, clamp or have friends hold the wood joist in place against the beam. ft. I want to just piggyback off the current rafters to keep it up right, but add all new weight support beams and legs. This tool simplifies the calculation process by providing a quick and reliable way to ascertain the maximum load-bearing capacity of angle iron based on specific input parameters. For eg. If you’re wondering how much weight can a 2×8 hold, we’re here to help! A 2×8 can carry between 859 and 1315 pounds vertically as a post depending on wood species, grade, and other factors. Instructions: Select a grade. Joists are 24 on 20 FAQs about Load Bearing Beam Calculator 1. Use this wood beam span calculator to check a wood beam of a particular size and length to see if it can support a given uniform linear load by comparing its allowable and required bending and shear stress. 5 psf for gypsum board ceiling, plus 2 psf for the 2x8 joists at 16” on center, plus 3 psf for plywood subfloor and plywood underlayment, plus 2. 25 inches high, the Nov 16, 2023 · The Angle Iron Load Capacity Calculator serves as a valuable tool for determining the load capacity of angle iron beams used in construction or structural applications. If desired, filter the species list by selecting NA for North American species only or non-NA for non-North American species only. Typically, a deck can hold a minimum of 50 pounds per square foot. c. Second, the “Dead Load” is probably about 2. Plywood Load Capacity Calculator Plywood Thickness (mm): Span Length Interested in your deck load capacity? Check out this guide and see how much weight your deck can hold without damaging it. Choose one or more species/species grouping (s). Perfect for contractors, builders, and material planners. Use The Engineering ToolBox Sketchup Extension to insert construction lumber in your 3D models. In addition, you will discover the strength of a 2×6 in relation to other wood components and the strongest way to use lumber for supporting weight. 5) 4x6 outer posts and 2) 4x4 inner posts. 8mm, 1 pound per square foot = 0. Overall, there are several factors to consider when thinking about how much weight a deck holds. The allowable load for a single 2x8 joist is 400 pounds, while porcelain tile can weigh up to 275 pounds per square foot. The Southern Forest Products Association provides allowable load tables for headers and beams to assist architects, engineers, contractors and other professionals engaged in designing and building residential and commercial structures in selecting the proper size of header or beam for the job. A double 2×8 or 2- 2×8 header can support 4690 pounds of total weight/ load when spanning to 4 feet, 3130 pounds weight when spanning to 6 feet, 2660 pounds weight when spanning to 8 feet and can support 2130 pounds of total weight when spanning to 10 feet. People also ask, how far can you cantilever a 2x8 deck joist? If the code span tables allow a 2x8 to span 12 feet, then the cantilever can be 3 feet. If used for a ramp, it can support up to 250 pounds per foot depending on span and other variables. How much weight can one joist hold Rafters Drywall or no finished ceiling, construction load20 PSF live load With your 10-foot span, today's 2x8s at 16 inches on center are rated to support approximately 80 lbs/sq. In this guide, we’ll explore how to use a wood weight calculator, discuss factors affecting wood weight, and answer common questions like how much weight can wood hold and how to estimate the weight of pressure-treated wood. Effective post lengths, l e, are the actual wall height minus the thickness of (3) 2x plates (4 1/2"). For a triple 2x6, where each 2x6 is true measure 1. A 6×6 beam could typically span about 8 to 10 feet without additional support. The type of load in question will also determine how much weight a 2x6 can hold on edge. I did a slow pull up with my own body weight on one of the beams, listening to any noises and see how much it bends. Calculating the weight capacity is crucial for designing structures, furniture, and other wooden components to ensure safety and durability. How far can I run a 2x8 span? Deck Joist Spacing by Wood Type & Deck SizeJoist Spacing (o. What is a load-bearing beam? A structural element that supports weight and transfers loads to supports or columns. This tool is essential for ensuring structural integrity, preventing deck collapse, and complying with building codes. I am wondering how much weight a 8x10 hemlock beam 9'2" between posts can handle. per sq. The closer the spacing between the posts, beams, and joists, the more weight the deck can bear. depending on the species and grade. You can make your joists able to hold thousands of pounds of weight and your footings could sink into the ground. Each end rests on beams that have a 7/8" lip. Dec 18, 2024 · In this article, we will explore in detail how much weight a 2×8 can hold in construction, including the factors that influence its strength, and how to properly use it for different structural applications. Select one or more region (s)/country (ies). The maximum span for roof rafters is 23’ 9”. 7/8-inch tongue and groove plank weighs about 2. May 18, 2016 · Options for Beams “Trussing” a beam with wood rafters or post tensioning with a steel cable greatly increase the load capacity of any beam. The header and beam tables provided below have been computed using allowable stress design and Use Timber Build’s Lumber Weight Calculator to estimate wood weight based on species, dimensions, and Moisture Content (%). To be clear, spans are measured as "clear spans". 25 inches (38mm × 184mm) Materials: Made from softwood (e. 5 psf for carpet or wood flooring, for a total “Dead How much weight can a 10 foot 2x8 hold? A 2×8 will adequately support a dead load of 20 psf and a live load of 40 psf depending on some factors, including allowable span. Where guards are required, outside joists and rim joists shall be a minimum length of 2x8 nominal. Weather conditions, such as snow accumulation, rain, and temperature fluctuations, also impact weight limits. 4. The x-axis refers to the "strong" axis of bending, except in the case of 3 2x8 Wood Beam Overview 2x8 Wood Beam is a medium-sized lumber commonly used in construction for framing, decking, and other structural purposes. Mar 21, 2025 · The distance between supports greatly affects how much weight a 2x4x8 can hold horizontally. However, knowing how much weight a 2×8 can support is essential for anyone A triple 2×6 or 3- 2×6 header can support 3780 pounds of total weight when spanning to 4 feet. )12 The maximum allowable span for a load-bearing wall of 11 feet will depend on the size and grade of the timber. How much load can a board support, if it is supported only at the ends? At the moment my specific problem is hanging a tire swing between two trees, and depending on which trees I choose they coul Oct 13, 2024 · To estimate the maximum load-bearing capacity of a 4x6 SPF (spruce-pine-fir) beam supported at a 5-foot span, we can use some typical values for bending strength and other properties. Oct 20, 2003 · So, the wieght support will be centered four feet in (each weight support beam will be 2 2x6's and one 2x4). Why Use A Wood Weight Load Calculator? Using a calculator ensures safety. Wood strength is determined by factors such as species, moisture content, and grain orientation. The calculator will evaluate the Laminated Veneer Lumber Weight. The exact amount of weight a 2×8 deck can hold will vary based on the grade of lumber used for construction, the type of soil the deck is built upon, the span of the joists, and how the joists are spaced and attached. 3. 2. Generally, standard 2×8 construction grade lumber typically can support up to 50 lbs. A very bad DESIGN CRITERIA: Strength - 30 lbs. How much load can a 2x4, 2x6, and 2x8 each hold is laying horizontally, yet turned on it's side? We have found numbers for wood turned upright, but it wasn't what we were looking for. Jul 22, 2025 · Factors such as beam spacing, joist size, and building quality have a significant impact on weight capacity. Similarly one may ask, how far can you span a 2x10 floor joist? In general terms, joists spaced 16 inches on center can span 1. Ensure safety and efficiency in your projects with accurate results. Span tables referenced in deck building codes and deck substructure building guides enable deck builders to specify the joist spacing for the different sizes of treated lumber to obtain the desired load rating. We will discuss the factors that affect a wood’s strength and provide guidance on using a wood weight calculator to determine weight capacity. 5 inches wide x 5. Below are its key details: Nominal Size: 2 inches × 8 inches Actual Size: Typically 1. Properly calculating the load capacity ensures safety and structural integrity for the intended application. But first, generally, how far can a 2×8 span without support? Depending on various factors, the maximum span for a 2×8 floor joist is 16’ 6”. You might end up with more deflection (bending of the beam) than would be ideal for a door header where the deflection would interfere with door swing. We’ll also look at different uses for 4x4s, how far they can span before sagging, which species is strongest, and whether a 4×4 is stronger than 2-2x4s. The combined values of allowable stress and size factor for Southern Pine have been accounted for. One 2x12 can support about 180 lbs. Oct 22, 2021 · I weigh about 200lbs. However, that number assumes your deck is to code without the deck’s weight taken into account. They offer much more support than just using traditional nails alone. Note: Perimeter beams carry half the weight for the same given size. at the center of the span, or for 2, it’s 2200 x 2 = 4400 lbs. 4 in^4. Mar 5, 2024 · A wood weight calculator determines how much weight a piece of wood can hold. For example, a 2x4 lumber may hold a 4-cylinder engine comfortably but may not hold a bigger one. (Approximately) How much weight can an 8 foot 2x6 hold when oriented on edge (rather than on flat)? Does doubling up the 2x6 with another (making it 2 ply) double the weight capacity? What happens to the weight capacity of the board if the load is not placed in the center of the 8 foot span? In this article we know about how much weight can a 2×4, 2×6, 2×8, 2×10 & 2×12 joist hanger hold and what is 2×4, 2×6, 2×8, 2×10 & 2×12 joist hanger weight capacity. Therefore, for a 2x8x10, the total load would equal 600 pounds per lineal foot. The allowable (ASD) loads are based on the 2015 National Design Specification for Wood Construction (NDS). The default ALL is a combined list of both NA and non-NA species. Many builders underestimate the extreme importance of selecting and properly installing the appropriate joist hangers. This is very important for builders and DIY enthusiasts. What is a simple beam? A beam supported at both ends, typically without overhangs. Deck is 10x10. or 54 lbs per sq ft. Remember, 2x12’s and larger need to be blocked, or held in place with a metal hanger. The calculator will evaluate the Glulam Weight. What’s the difference between Sep 2, 2020 · How to install a joist hanger on a deck Joist hangers are manufactured as either one-piece or two-piece components and will vary slightly in their installation instructions. Apr 1, 2023 · Extrapolated for (3)2x8 at 12' span, looks like it should be good. It helps you avoid overloading your wood structures. In this article, you will learn how much weight a 2×6 can safely hold as well as the various factors that can affect the load-bearing capacity of a 2×6. Mar 29, 2022 · How Much Weight Can a Truss Hold? Given their structure, trusses are not designed to carry heavy weight; however, they can take up a certain amount of weight if they are engineered for that purpose. We would like to show you a description here but the site won’t allow us. 5 inches deep, the moment of inertia is 62. This calculator ensures the size of beams and joists for safe support in They help you determine how far a wooden beam or joist can span between support points, such as walls or beams, without compromising safety and structural integrity. Oct 24, 2021 · Load capacity of a wooden beam is based on material (type & condition eg. A plan view that shows exactly where the bearing walls land on your triple 2x8 beam and the floor framing for each floor. Let’s get started! Contractor's Assistant chat Customer: How much weight per square foot can my deck support? I'm using 2 x 8 joists every 8 inches on center, and the span is 6 feet per joist. Technical information about laminated veneer lumber. When determining the load capacity of a wooden beam, factors such as the cross-sectional dimensions, the specific wood species, and the length of the span are crucial. The worry will be your beam spacing, support post size and most importantly how many footings and how much weight will they impose directly on the soil below. Lengths of 2×10 joists and beams vary depending on the application you are using them for as well. Aug 17, 2023 · Safely optimize garage attic storage. 2x8s are versatile, frequently used for framing, support, and decking purposes. 5 times in feet their depth in inches. The way you pose the question you can dial up the load until you get to deflection is the span/250. Can I use this calculator for steel beams? Yes, select steel as the material or enter custom properties. See full list on civilsir. Keeping this in consideration, how far can you span a 2x12 beam? A double 2x12 beam can span 12 feet; a (2) 2x10 can span 10 feet and so on. g. On top of joists are sheets of 3/4 plywood and a tile floor. 5/8-inch hardwood 2 days ago · In this article, you will learn how much weight a 2×6 can safely hold as well as the various factors that can affect the load-bearing capacity of a 2×6. 0479 kN/m2 a. Chart shows weights per lineal foot for various LVL dimensions. The king/jack studs from the old pocket door were standard with a 2x8 door header so could have been holding up the flat 2x6 “joist”. The beam started to bend slightly and making some slight bending creaks at around half of my weight (~100lbs) My interpretation was that I shouldn't go beyond 100lbs per beam, or 200lbs for two beams. In order to establish proper sizes, grades and on-center spacing of joists and rafters you first need to determine what loading is acceptable to the building code. per foot or about 2,100 lbs. I'm anticipating a total weight of 4,000 pounds, which includes a hot tub weighing 3,200 pounds when full and four people at 200 pounds each. You need to know if a 3/4-inch plywood sheet spanning 48 inches can hold the weight of your holiday decorations. Increasing the total weight on the floor to 4,480 pounds, however, results in a live load of 40 psf, which is beyond the floor's load capacity. Joist and Beam Calculator A Joist and Beam Calculator is used in construction to determine the correct size and spacing for beams and joists in a structure. Secure the joist hanger in place against the beam with The framed structure will typically handle the added weight quite easily. To enhance their load-bearing capacity, it is necessary to sister each joist. , which is based on the maximum deflection allowed by code, not failure. Determine the load-bearing capacity of your future structure. Mar 29, 2022 · The weight a beam can hold depends on factors such as material, size, and support conditions. So will installing a post underneath the center of the beam. The lumber industry conducts ongoing testing and invests millions of dollars to provide the most accurate and reliable design values for structural lumber, including Southern Pine. Wall height is nominal height plus 1 1/8". Additionally, how much weight can 2x6 floor joists hold? To give you a general idea though, floor joists are sized to support 40 pounds per square foot of "live" load (moving weight) or 10 psf "dead" (stationary) load. , oak, maple). A 2×10 southern yellow pine joist can span 16 feet and 1 inch without support. The lumber weight calculator below will estimate the weight, specific gravity, and density of any species of wood. But how do you know how much? Nov 13, 2024 · What is a Wood Weight Load Calculator? A Wood Weight Load Calculator helps you know how much weight a piece of wood can hold. 5 inches wide and 7. Of course, the design and material used in the construction of the trusses have a role to play in determining the weight capacity of trusses. Beside above, how much weight can a 2x12x20 hold? Double 2x8 Beam Span | How far can a double 2x8 Beam Span The span that a double 2x8 beam can safely support depends on several factors, including the type of wood, the load it needs to carry Apr 6, 2025 · Is a joist hanger stronger than nailing? Joist hangers slot under and over the edge of a wooden beam over three sides. Oct 2, 2021 · First, you must consider the amount of weight your deck can hold from the ground up. Safety First Knowing the weight limit helps prevent accidents. On the other end, a 2x6 can support a V8 engine of between 600 – 700 lbs. I have not been ab Nov 1, 2009 · Hi, I cant find my load figures right off. Your loads are as follows:2x8 framing at 16 inches on center weighs about 3 lbs/sq. If the triple 2x8 beam is constructed from #2 pine instead of Douglas fir-larch, it may affect the specifications. Thus, a triple 2×6 header is meant to hold up to 3780 lb weight for span upto 4 feet Nov 4, 2024 · A wood weight calculator can determine the weight that wood can hold based on its dimensions and type. Mar 18, 2025 · Here is a table for the load capacity of a 2×8 wood beam based on different factors like wood species, grade, span, and load type. May 26, 2024 · Determine the maximum weight your LVL beam can bear without sagging or breaking. Floor joists, the horizontal wooden or metal beams that support your floors, are designed to handle a certain amount of weight. ** For SI: 1 inch= 25. If it’s a single load (point load) then it’s about 2200 lbs. When satisfied with the information included on the Stamp, click “Add Jonathan Ochshorn Structural Elements calculatorsNote that the size factor adjustment (CF) should not be included in the allowable stress value entered, as it is already included in the calculations for each column size. This equates to a total load of 60 psf. Learn how much weight a 2x4 can support in different orientations. 2x8 are not used for floor systems You will probably need a beam running perpendicular to the 20' 2x8 somewhere in the middle to seperate the span to 2 10' spans to be able to use the space above. Jul 24, 2023 · Enter the lvl length (ft), the lvl width (ft), and the lvl thickness (in) into the Laminated Veneer Lumber Weight Calculator. Would like to know if I'm ok or in trouble. A doubled 2×10 beam can span 11’ without support for a deck that is 4’ wide. Jun 28, 2007 · google span calculators to give you a better idea. Joists are horizontal supports that hold up floors, ceilings, or roofs, while beams carry the weight of the joists and distribute them to other parts of the building. ft. A load capacity calculator would take these parameters and output the maximum distributed load the plywood can bear, ensuring your project’s safety and longevity. , pine, fir) or hardwood (e. total for a 12' span. Span exceeds 26 feet in length. How much weight are you planning on hanging? Will it be supporting your weight as well? Wear a dust mask (or nester a respirator) and suck up any drywall dust with a hepa filter loaded vac (maybe?), the drywall/jointing compound may contain some asbestos. 750 lbs. per linear foot (plf) or both will support 120 plf x 2 = 240 plf. Dec 4, 2022 · Decks, Patios, Porches, Walkways, Driveways, Stairs, Steps and Docks - How much weight can my deck hold? - 2x6 joists and ledger. A longer span without additional support reduces its weight capacity, while a shorter span with adequate bracing significantly increases its strength. Nov 20, 2024 · To calculate wood beam load capacity, you need to determine the maximum load it can support based on its dimensions, species, and span length. Applications: Floor and roof framing Decking Sep 13, 2007 · It is roughly 4,300 LBS for the entire post. in the given table below for some manufacturer: max beam span for Southern yellow pine on 2x6 beam size is 7' for a deck width of 4' to support 10 lb dead weight. Jan 27, 2025 · The following table provides the approximate weight (dead load, self-weight) of 2×8’s produced from the various wood species and in the various lengths normally used in building construction in the US. Run a 2x8 parellell on each side of the bottom truss chord, then a 2x8 perpendicular vertically. For two 2x8's, where each 2x8 is 1. per square foot of deck. So, for example, a 4-foot by 8-foot deck made with 2×8 lumber Jan 14, 2025 · When it comes to designing and building structures, understanding the weight capacity of materials is critical to ensuring the safety and integrity of a project. As we delve into the nuances of 'How much weight can a 2x8 beam support in a horizontal span?', our content is structured to foster learning and understanding. Post heights are based on standard precut stud heights and associated top plate heights. One commonly used structural component in construction is the 2×8 board. This span can increase or decrease based on the specific load requirements and wood quality. . How much weight can a 2x10 beam support? How much weight can 2x10 floor joists hold? In fact, each 2x10 will support 1,200 lbs. By considering these variables, you can accurately determine the maximum load that a In this article, we’ll identify how much weight a 4×4 can hold horizontally and vertically, and what can affect its load-bearing capacity. Discover the weight limits of trusses, ensuring smart organization and maximizing a garage's potential. How much weight can 2x8 floor joists hold? With an evenly distributed live load of 30 psf, which the tables show the floor is able to support, the total weight on the floor would be about 3,360 pounds. Mar 4, 2025 · A Deck Weight Limit Calculator helps homeowners, builders, and contractors determine the maximum weight a deck can safely support. dead load Deflection - Limited in span in inches divided by 240 for live load only. Be sure to read through your specific instructions before attaching. Can I use 2x6 for ledger board? Ledger shall be a minimum of 2x8 nominal. Additionally, we’ll discuss using 2x8s for joists, headers, rafters, and beams to provide an in-depth look at their structural use in your project. If you’re wondering how much weight can a 2×8 hold, we’re here to help! A 2×8 can carry between 859 and 1315 pounds vertically as a post depending on wood species, grade, and other factors. The tub filled with water weighs approx. I found that a triple 2x8 beam can support a maximum permissible span of approximately 11 feet while carrying a total weight of 550 pounds per linear foot, based on Alaskan Cedar AITC AC-FK Roof Beams Construction Load AITC AC-FK Roof Beams Snow Load AITC AC-FK Floor Beams Live Load Douglas Fir AITC DF-25 Roof Beams Construction Load AITC DF-26 Roof Beams Snow Load How Much Weight Can A Floor Joist Hold Your home’s floors may seem solid and unyielding, but they do have limits. To be honest a triple 2x8 beam (assume SPF #2 grade), clear spanning 9', with 9' span floor joist off of each side, can just support a Live Load of 30 psf and a Dead Load of 10 psf. Input the length of the beam, type of wood, and the load type to get an accurate load capacity calculation within seconds. com Jan 27, 2025 · The following table provides the approximate weight (dead load, self-weight) of 2×8’s produced from the various wood species and in the various lengths normally used in building construction in the US. A 2x8 up to Dec 27, 2024 · Planning a deck, room addition, or simply opening up your living space? LVL beams offer exceptional strength for ambitious projects, but selecting the right one is crucial. 2x6s are generally used for ceiling joists, esp since you said 24" oc and reallllly short spans only (5 or 6 feet ). This guide decodes LVL beam span charts, providing the knowledge you need to confidently choose the perfect beam, whether you’re a seasoned builder or a weekend warrior. 5 inches × 7. In general, a single 2x8x16 wooden beam can support up to 50 pounds per linear foot of load placed horizontally. Stop if you are looking wood cost calculator use here. This can vary by species but they can support a lot of weight. Jul 24, 2017 · You can’t build a deck that is going to have so much weight on it that the fasteners and hangers can’t support that load, or the beam that you will put in place or even the footings underneath it. We use 2x8", 2x10", and 2x12" pine boards of approximately 40" in length. How do factors like wood type and moisture that impact its weight-bearing capacity? Determine strength insights for horizontal, vertical, and edge loads. Sep 10, 2025 · Enter the glulam length (ft), the width (ft), and the thickness (ft) into the Glulam Weight Calculator. 4 mm, 1 foot = 304. The type and quality of materials used in roof construction also significantly impact the weight it can handle. snow load, plus 10 lbs. That is the Code requirement for a bedroom How much weight can 2x8 floor joists hold? With an evenly distributed live load of 30 psf, which the tables show the floor is able to support, the total weight on the floor would be about 3,360 pounds. Apr 6, 2022 · Boards are used as shelf decking. chfo kqhaq czzq bubvs gwrm gatrd qtijrml twkb uhnwhg kquakif