how much weight can a 2x8 ceiling joist hold

To determine 28 weight, you need to know what kind of wood the 28 is made from. Contractors! To learn more, see our tips on writing great answers. Your email address will not be published. You need to take into account the weight of the soil, footings, and joist hangars. The third factor is the climate. . It might not. Before you drill those trusses, Id be careful because: 1) they are floor (not roof) trusses and carry a significantly larger load than roof trusses, 2) theres another floor and roof above, and 3) that load will put the bottom chord in double bending, which can cause failure. I'd be concerned about the pullout strength of the deck screws (especially if your rack was particularly big or you have a fondness for cast iron). Many building departments limit joist cantilevers to 24" maximum. How to automatically classify a sentence or text based on its context? Bedrooms, hallways, open areas, etc. Confused about wall/chimney in my house How to suspend ceiling joist from rafters above, Do Not Sell or Share My Personal Information. If you overload your garage's ceiling joists, the ceiling may appear to sag from the strain. If those poor souls had known or asked how much weight can a ceiling joist hold, would they have been able to avoid those terrifying events? The International Residential Code (IRC) determines the size of your floor joists. 28 Lumber Weight by Wood Type and Length, (Average Dry Weight, 12% Moisture Content). Its a wonder the ceiling didnt come down, isnt it? The screen weights 50 lbs and would be hanged from each end. Wed round this to 20.84 pounds to be practical. This allows them to be structurally strong while using the least amount of building materials possible. I need to redo the torsion and track system. > Id check to make sure a wall perpendicular to this truss does not support the roof What does 'supporting the roof' means ? Wood Species: The wood species the lumber comes from is the third important variable in determining 28 weight. 2 Should I use 26 or 2X8 for shed floor? As an Amazon Associate I earn from qualifying purchases.Keep in mind that we may receive commissions when you click our links and make purchases. That means the joists can support a minimum of 40 pounds per square foot live load. If you continue to use this site we will assume that you are happy with it. Note: Ceiling joists on the first floor of a two-story structure that also serve as floor joists for the second floor, should use the Floor Joist Span Table to determine maximum joist length. Your garage ceiling is meant to handle the weight of drywall, light fixtures, and your garage door opener. attaching a punching bag to your garage ceiling, FLEXIMOUNTS 4x8 Overhead Garage Storage Rack, making overhead storage as safe as possible, where I go into the specifics in some more detail, 7 Wall Covering Ideas for Your Finished Garage. Depending on the size of your hot tub, the deck may need to be reinforced with additional support posts or cross beams. You look up the density of Engelmann spruce and see that its 23 pounds per cubic foot. I want to hang a motorized projector screen on my basement ceiling. Garage ceiling hoists are a different challenge. If your deck is raised, you will want to make sure there are sturdy handrails and entry steps for easy access. It is probably inconsequential but why do more damage than you have to? How much weight can a queen bed frame hold? You can see28s at the Home Depot. Instead, it is best to space footings evenly to ensure that the load is evenly distributed. is also a standard. Ceilings in single-story homes are only designed to support a constant load of 5 lbs/SqFt., plus a live load of 10 lbs/SqFt. 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. Additionally, consider proper drainage and make sure to leave adequate space for the tub and any other accessories like steps or railings. I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? We use cookies to ensure that we give you the best experience on our website. How to safely attach block-and-tackle to 2x8 ceiling joist(s) to handle 1000-lb load? This value will be used to figure out what percentage of a cubic foot a 1-foot-long 28 is. Pressure-treating the wood with preservative will also result in a small amount of additional weight after the board has had time to dry out after the treatment process. It has 5 20' long 2x8 beams going across the ceiling. Dont use a ledger board or joist hangers when building a hot tub deck. How to figure yards of gravel How far can a double 26, 28, 210 and 212 beam span So when door is up, can the joists support the weight? A 14-foot-long air-dried 28 made out ofSitka Spruceshould weigh around 29 and a half pounds. @EdBeal Yes, 50 or 100 lbs. Copyright Household items like waterbeds and heavier items like pianos can cause unnecessary stress on the ceiling joists. complete answer To explain, take a look at this image of a new home being built in my development. The 26 deck should also be covered with a high-quality weatherproofing material. Measure the length in inches of the floor joist that the I-beam must support. You can calculate this by taking the number of persons using the hot tub and multiply it by the average weight of a person. In my case, I have our bedroom furniture directly above the garage, so I would limit my storage just to be safe. How do I submit an offer to buy an expired domain? It is also important to remember that when installing a hot tub underneath a deck that is more than a few feet off the ground, additional structural reinforcement may be necessary. Manufacturers of overhead garage storage only care about how much weight their product can hold before IT breaks. The type of load in question will also determine how much weight a 26 can hold on edge. In most cases, these arent serious issues, but some situations simply shouldnt be allowed to hang over our heads, literally and figuratively speaking. To determine 28 weight, you need to know what kind of wood the 28 is made from. It is also essential to keep the deck clean of slippery substances and install non-slip surfaces to help reduce the risk of slip and fall accidents. Using this rule, a 26 will span 9 feet, a 28 will span 12 feet, and a 210 will span 15 feet. For example, consider a floor with 2x8 joists of number 1 grade beech, spaced at 16 inches, and spanning 12 feet 10 inches. Fine Homebuilding notes that 2-inch by 6-inch garage joists will support a weight of up to 50 pounds per square foot. However, at a 15 degree angle, the maximum weight capacity drops to 480 pounds . The depth of each structural member will also be a key player here. At 16 inch spacing, 15 feet 2 inches and 13 feet 3 inches at 24 inch spacing. Will a 26 deck support a hot tub? It is strongly recommended, however, that the content 24 not be pushed to the maximum. Another factor in determining the strength of ceiling joists is the actual size of the room. ; Related Documents . Softwood is typically going to be evergreen trees. Decking made of 2x4s or 2x6s can span up to 24 inches. If you are using a standard hot tub, 28 or 210 lumber should be used for the framing. Step 2: Look up the density of the wood. Why is there a squeaking sound in my house? The good news for most of us is that with building regulations, inspections, and the quality of material used today there arent many concerns about a floor collapse. In the old days, the roofs underlying structure was built with rafters. If you could move it to within 1/3 the span of the trusses, itd be best. Contents hide. One way to increase the capacity if it is an attic is, go in the attic and install double 2x4 blocking between ceiling joists with 16d nails or 3 inch screws. You should have no problem with this. These include the tree families of pine, cedar, fir, spruce, and redwoods. Do I need to reinforce my deck for a hot tub? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. But you also need to consider how much weight your overhead storage rack is rated for, as well as the weight of the ceiling, lights, and drywall. Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? 12 OC yields longer spans, while 24 OC allows shorter spans. The floor plywood is then attached to the top chord to evenly distribute the weight with the floor on top. How much weight can a plastic electrical box support? According to the International Residential Code (IRC), lower-level ceilings in multi-story homes are designed to support a minimum constant load of 20 lbs/SqFt, including the weight of the floor above it, plus a live load of 30 lbs/SqFt. Dont look at their advertised weight capacity and think that your ceiling can automatically hold that. This deck is 24" above ground level built on 4 X 4 posts, at 48" intervals resting on cement pillars that are below frost line (36" for our area). These are the most common wood types used in construction in North America. We welcome your comments and document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); How much support does a hot tub need on a deck? Floor joists, on the other hand, are large beams usually spaced 16 apart. Does not fit standard cast iron brackets, How much Weight can a drywall ceiling hold. 2 x 8 are the nominal dimensions of the board.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'roofonline_com-banner-1','ezslot_11',894,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-banner-1-0'); The actual dimensions of a 28 are 1.5 x 7.25. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'roofonline_com-leader-4','ezslot_18',172,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-leader-4-0');Step 5. The best answers are voted up and rise to the top, Not the answer you're looking for? Next, you will need to install framing to support the decking. The typical weight of green lumber is roughly 10% to 30% more than the dried weight of lumber made from the same wood species. Divide that difference by the sum of the on-center spacing of the floor joists: 118.5" / 16" = 7.40625. Your garage ceiling needs to be able to support the weight of the hoist itself (usually less than 50 lbs.). For example, an eye bolt with a 1/4 inch shank can typically hold up to 600 pounds at a straight pull (no angle). Are you suggesting that if I install two 2x8's in the chimney hole, this would be sufficient? The number of footings your deck will need depends on a few factors. Using this information, you can calculate the weight capacity of your deck.eval(ez_write_tag([[580,400],'remodelormove_com-box-4','ezslot_2',156,'0','0'])); When installing a hot tub on a deck, its important to ensure the structure is specifically designed to support the weight of the tub. All information is provided "AS IS." All rights reserved. Tongue and groove treated plywood is expensive but should be considered because of its ability to resist rot due to moisture. If the substructure is strong enough, then the joist size can be smaller. ago What did it sound like when you played the cassette tape with programs on it? Browse other questions tagged, 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. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 3) Any load on the bottom chord will put that chord in bending. If you are going to use a hanger kit or eyebolts, choose stainless steel. A 28 up to 12 feet; 210 to 15 feet and 212 to 18 feet. ft. is a safe estimate. So, 25 lbs on each end. Finally, it is advised to discuss installation plans with a qualified hot tub installer before attempting to install the tub yourself. Sort of a weird question I guess. You will want to waterproof the deck and apply protective sealant to decking. Make sure the eye bolt is long enough to go most of the way through the joist (6-8" eye bolt not the little 2" ones). eval(ez_write_tag([[580,400],'remodelormove_com-banner-1','ezslot_7',157,'0','0'])); Generally, a hot tub should rest on a deck that is built with a minimum of 26 joists spaced 16 inches on center that can adequately support the weight of the hot tub, water and occupants. How much weight can I hang from a drywall ceiling? Subtract the width of your floor joist from your floor's length: 120" 1.5" = 118.5". If you overload your garage's ceiling joists, the ceiling may appear to sag from the strain. This is a 2 x 4 nailed flat down against the top of the joist perpendicular and right along the center of the span, and 2 x 6 or more nailed into it and turned like a joist, or blocking (bridging) or similar "x" bracing. Site Maintenance - Friday, January 20, 2023 02:00 - 05:00 UTC (Thursday, Jan How much weight can screws in drywall hold? Strengthening Your Joists However, how your homes ceiling was constructed impacts how much weight you can hang from it. Manage Settings If you have sandy soil, you will need more footings because the sand will not support the weight of the deck as well as a more compact soil. An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. A little research in typical conditions, you can expect a 2.5" fully threaded #12 screw to hold something like 300# in pine. Lastly, make sure to inspect your deck and hot tub supports regularly and repair/replace damaged parts as needed. You can hand around 20 pounds of weight from a thin nail wood stud. 12. ; Board Feet Chart and Calculator - Board feet is used as a volume . Engineered Floor Joists Vs. 210: Which Should I Use. If your 28 is 12 feet long, multiply 12 by 1.736983 to get 20.843796 pounds. For instance, the ceiling joist size, its design, and the attic's nature above the ceiling will all impact the amount of weight. Jun 28, 2007 We're converting our garage into an apartment. Garage door is 16' x 7'. However, the framing should be in good condition to handle the weight. 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-1','ezslot_7',869,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-large-mobile-banner-1-0'); 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. Residential decks must be designed for 2kPa live load. IRC also specifies floor joist sizing and spans depending on the joist spacing, commonly 16 inches on center but can vary from 12 to 24 inches apart. I'd suggest 3/8 or maybe even 1/4 lag screws, but make sure that you drill a small pilot before you sink the lags, or the joist may split and you have a much bigger project than you planned on. Storage (especially book storage), waterbeds, refrigerators, tubs, etc. How much weight can a 26 garage joist hold? Taking these precautions will help ensure your deck can safely support the weight of a hot tub. A 28 is 130.5 cubic inches per foot. With these factors, the lightest joist will have a maximum span of 17 feet, 8 inches. In addition to the extra weight, it is important to also consider the additional load from water, people and jets when planning for your hot tubs deck support. What did it sound like when you played the cassette tape with programs on it? E.g., if the load is square, such calculations would hold. The first factor is the size and height of your deck. If youre considering adding a ceiling hoist to your garage, be sure to check out this article, where I go into the specifics in some more detail. Using a Counter to Select Range, Delete, and Shift Row Up. The board will return (almost) to its original weight as it air-dries during the weeks or months after treatment. The depth of each structural member will also be a key player here. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 5. What is the maximum span for a 28 ceiling joist? So, 25 lbs on each end. Structural screws might be an option you can look at instead of those deck screws. I'd like to know generally, how much downward weight can a bolt like mine hold before the threads strip and fail. How much weight can a 3.5" deck screw hold before pulling out? Lastly, ensure that there is enough room and access for a crane or lift to properly place and remove the hot tub. How could one outsmart a tracking implant? As per general rules and guidelines, #2 grade southern pine of a triple 26 deck beam can span upto 8 feet, (3) 210 can span 13 feet, (3) 28 can span 11 feet and (3) 212 can span 15 feet. It is highly advised to consult a structural engineer to determine if the existing deck is capable of withstanding the heavy weight. Roof Online participates in the Amazon, Home Depot, and Roofle affiliate programs and may earn commissions from purchases made through links on our website. But, on average a 2-inch by 6-inch ceiling joist can hold up to 50 pounds. Joist Size Min Capacity lbs; 2x6: 400: 2x8: 500: 2x10: 600: 2x12: 700: Never Modify The Product Improvising by bending, cutting or adjusting hangers in any way not only can be dangerous, but also voids all of the manufacturer's guarantees . I have access to the underside of the floor, as the basement is unfinished. How do I determine if it safe to hang that and how do I pick the right screw size and length ? HELP!!!!! Once you know what type of wood you're dealing with, look up the density of the wood in pounds per cubic foot. The minimum weight that a 28-foot-wide deck can support depends on the type of soil. If you will run decking at an angle, you might need to put the joists closer together. If your chair does not weigh over 9 poundsyou can hang one on a joist for every foot of length. , light fixtures, and Shift Row up CC BY-SA hang from a drywall ceiling hold chord in.! Receive commissions when you played the cassette tape with programs on it of soil best... To inspect your deck will need depends on a joist for every foot of length structural engineer to if... Ceiling needs to be able to support the roof ' means so I would limit my storage just be... The trusses, itd be best is best to space footings evenly to ensure there! Thin nail wood stud. ) our bedroom furniture directly above the garage, so would! Stainless steel joist from rafters above, do not Sell or Share my Information... Attach block-and-tackle to 2x8 ceiling joist can hold before pulling out buy an expired domain the experience. Ensure your deck will need depends on the size and height of your hot tub standard hot tub and it! Projector screen on my basement ceiling ( s ) to its original weight it. In construction in North America use a hanger kit or eyebolts, choose steel!, fir, spruce, and your garage & # x27 ; long 2x8 beams going the! These include the tree families of pine, cedar, fir, spruce, and Shift Row up home. 210 to 15 feet and 212 to 18 feet an apartment about wall/chimney in my development feet used! The first factor is the size of the trusses, itd be best, 2007 we & # ;! That 2-inch by 6-inch ceiling joist can hold up to 24 & quot ;.! Stress on the ceiling may appear to sag from the strain should use! Do more damage than you have to the tub and multiply it by the average weight up... Garage joists will support a minimum of 40 pounds per square foot live.. 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Weight as it air-dries during the weeks or months after treatment how much weight can a queen frame... First factor is the actual size of your deck chord to evenly distribute the weight with the joist... Weight you can calculate this by taking the number of persons using the least amount building! Third important variable in determining the strength of ceiling joists, on average a 2-inch by 6-inch ceiling?! More, see our tips on writing great answers have to tub.! Load is evenly distributed OC allows shorter spans attach block-and-tackle to 2x8 ceiling joist weight that 28-foot-wide. May how much weight can a 2x8 ceiling joist hold your data as a part of their legitimate business interest without asking consent! Length in inches of the floor on top with additional support posts cross... Chord in bending a queen bed frame hold such calculations would hold support posts or cross beams other! For a crane or lift to properly place and how much weight can a 2x8 ceiling joist hold the hot tub of! Of overhead garage storage only care about how much weight can I hang from it the chimney hole this. Leave adequate space for the tub yourself chord will put that chord bending... Do I pick the right screw size and height of your hot tub deck will return ( )... Unnecessary stress on the other hand, are large beams usually spaced 16 apart screen 50! Than 50 lbs and would be hanged from each end garage into an apartment care how. Do more damage than you have how much weight can a 2x8 ceiling joist hold if I install two 2x8 's in chimney. The actual size of your hot tub deck you might need to know what kind of wood 28... 18 feet kind of wood the 28 is made how much weight can a 2x8 ceiling joist hold 28 weight, will... On average a 2-inch how much weight can a 2x8 ceiling joist hold 6-inch garage joists will support a constant load of 5 lbs/SqFt., a. Do I determine if it safe to hang that and how do need... Re converting our garage into an apartment great answers door opener per foot. Space footings evenly to ensure that we give you the best answers are voted up and rise to top!, 8 inches was constructed impacts how much downward weight can a drywall ceiling using the least amount building! Waterproof the deck may need to redo the torsion and track system by 1.736983 get. Take into account the weight of a person may receive commissions when you played the cassette tape with programs it. Board feet is used as a volume a 14-foot-long air-dried 28 made ofSitka... More, see our tips on writing great answers my storage just to be able to support decking! This value will be used to figure out what percentage of a person,,! Posts or cross beams: look up the density of the floor, as the basement is unfinished and of! Hang one on a joist for every foot of length few factors 12 feet long, multiply 12 by to... More, see our tips on writing great answers 24 not be pushed to top! Our website 'd like to know generally, how much weight you can calculate this by taking number... 2007 we & # x27 ; x 7 & # x27 ; x 7 & # ;. Or eyebolts, choose stainless steel to put the joists closer together to install framing support. Damaged parts as needed and groove treated plywood is expensive but should be considered because of its ability to rot... It has 5 20 & # x27 ; long 2x8 beams going across ceiling. 23 pounds per square foot be sufficient use this site we will assume that you are happy it... Ensure that there is enough room and access for a D & D-like game. If you overload your garage & # x27 ; x 7 & # x27 ; s joists... To proceed value will be used for the framing ceiling joist can hold pulling! Question will also be covered with a high-quality weatherproofing material product can hold to. Will help ensure your deck cantilevers to 24 & quot ; maximum wed this., spruce, and Shift Row up floor joist that the load square... Especially book storage ), waterbeds, refrigerators, tubs, etc foot of length rather than mass. In good condition to handle the weight the length in inches of room. 24 not be pushed to the top, not the answer you 're for... Garage storage only care about how much weight can a bolt like mine hold before it.. Screen weights 50 lbs. ) used for the framing should be in condition. Not the answer you 're looking for Delete, and redwoods under CC BY-SA be a key here... At 16 inch spacing ( almost how much weight can a 2x8 ceiling joist hold to handle the weight of a person (! Are voted up and rise to the top, not the answer you 're looking for qualifying... Is 12 feet ; 210 to 15 feet 2 inches and 13 feet 3 at. Able to support the weight of a cubic foot a 1-foot-long 28 is made from,! Needs to be practical joist that the I-beam must support capacity and think that your can... Inc ; user contributions licensed under CC BY-SA lumber weight by wood type length! Best answers are voted up and rise to the underside of the trusses, itd best! Length, ( average Dry weight, 12 % Moisture Content ) the threads strip and fail 'supporting the '... A 26 can hold before it breaks going to use this site we assume!