1 layer 5/8" type X gwb, 2" x 12" @24" o.c., 1/2" GWB, 1/2"plywood, 1 layer 5/8" GWB, 2" x 6" @24" o.c., 1/2" GWB, 1/2" RC channel, 1 layer 5/8" GWB, 2" x 10" Rafters @ 12" o.c., 1/2" plywood decking, 1 layer 5/8" type "X" gwb, 12" x 36" glulam beam., roof load 20lbs, 2" x 4" (1-1/2" wide) wood web trusses @24" o.c.,5/8" T&G plywood, R-30 fiberglass insulation, 1-1/2" x 25 gauge hat channel w 1 layer 1/2" sheet rock, 2" x 4" (1-1/2" wide) wood web trusses @ 24" o.c., 3/4" T&G OSB, 1 layer of 5/8" type "X" gwb, 2" x6" (1-1/2" wide) wood web trusses @ 24" o.c., 5/8" T&G plywood, 1 layer of 5/8" type "X" gwb, 2" X 4" (1-1/2" wide) wood web trusses @ 24" o.c., 19/32" OSB roof decking, 1-1/2" RC channel, 1 layer 5/8" type "X" gwb, 2" x 4" studs @16" o.c., w/ 1/2" GWB. If you need plywood products that are fire rated to meet the specifications of your property's Bushfire Attack Level, we have a range of suitable options. link to What Kind Of Paint For Garage Walls? Any thickness is allowed, but plywood is rated for various spans "for best performance." Look on the plywood sheets and they have a grade stamp, like 24/16. "++;i If you need fire-rated plywood, get in touch with the wholesale lumber dealer at Curtis Lumber & plywood. This treated wood will char but not oxidize, dramatically reducing the progress and spread of fire in buildings. & 30" o.c., 2" x 6" T&G wood floor, span 12'-16', live load 40lbs, 2" x 8" joists nominal @ 16" o.c., 1-1/2" wood decking, span 14', live load 40lbs, 2" x 4" wood web trusses @16" o.c., 3/4" OSB T&G sheathing, 1-1/2" gypcrete, live load 60lbs, 3" x 9-1/2" F/D joists @17" o.c., span 15'-6", load 40lbs, 1 layer 1: wood plank, 1 layer 3/4" T&G pine, 2" x 16" joists @ 16" o.c., w/ 2" x 6" diagonal bridging @8' o.c., span 22' live load 40lbs, support beams 10" x 10", 1 layer 1" wood plank, 6" x 12" @36" o.c. Showing 1 - 36 of 297 products. Prices are expected to decline once the overall cost of wood drops. - Suffocation caused by smoke and other toxic gases emitted during fire accidents is a major problem. LP FlameBlock Fire-Rated OSB Sheathing helps you meet fire codes while reducing dead load and wall thickness versus common alternatives. Email: (kfqcqm/u0t02\\\\\\\\30\\\\01\\" + DC360 Intumescent Fireproof Paint & Fire Retardant Coating The species of wood is also identified, along with the method that was used to dry the wood following treatment with fire-retardant chemicals. Giving protection to various wood and wood-derived materials. The partition specification as detailed in the technical user guide has to be fully duplicated in order to achieve a fire resistance performance of 60 minutes for Euroclass B and 30 minutes Euroclass C panels. *Please remember that plywood embedded with the Firewall Technology is fire-retardant and not fireproof plywood. Please enter the email address you used to create the account. Paint grade internal FD30 fire resistant door flush plywood door is a range of sizes with 35mm 44mm or 45mm thickness options. //--> Detailed description: A 30-minute fire separation floor/ceiling includes: one layer of 16 mm (5/8") plywood subfloor on joists; 38 x 241 mm (2" x 10") joists spaced 406 mm (16") on centre; 89 mm (4") thick fiber- type insulation between the joists; one layer of 16 mm (5/8") fire-rated drywall on ceiling; Good to know: A wall built . This test is used for more intricate estimates of fire protection. Firewall technology substantially reduces this emission to a fraction of present levels. Heavy timber, 2" x 8" @16" o.c., span 12', live load 40 lbs., w/ 3/4" T&G plywood, ceiling 1/2" non -rated GWB, 2" x 10" @16" o.c., span 12'-14', live load 40lbs., w/ 3/4" wood sheathing, ceiling 3/8" GWB, 2" x 10" @16" o.c., w/ 3/4" T&G plywood, live load 40lbs, ceiling 1 layer 5/8" GWB, 8" TJI @19" o.c., w/ 1 layer 3/4" plywood, 1 layer 1/2" plywood, RC channel 24" o.c. Another unfortunate effect of fire is death due asphyxiation caused by toxic gases and smoke emitted during a fire. This plywood has been grade stamped and third party inspected to ensure quality. Forums. Plywood is an engineered wood product that you can use for a range of different projects from outdoor construction to building furniture and other dcor items. The openings around them merely have to be properly sealed. While treated lumber does have its perks in terms of durability, the truth is that it is not meant to be fire-resistant. "contactPoint": [{ We recommend that suitability of a Euroclass rated panel within the design is based upon 3rd party assessment or independent testing specific to the project in question. The fire retardant treatment we would always recommend is a factory applied, deep impregnation of all faces. Flame-spread rating of 25 or less, even after 30 minutes of test time. If your project requires lumber that has been fire-rated, you need to buy lumber that specifically has a fire rating stamped on it. , w/3/4" T&G plywood, span 10'-14', live load 40lbs, 1-1/2"x 13" joists @16" o.c. This treated wood will char but not oxidize, dramatically reducing the progress and spread of fire in buildings. span 35' w 4 x 14" purlons 8' o.c. When choosing a way to fire-proof your plywood, make sure to take a look at the building codes in your area. "url": "https://www.firefree.com", with 16'-5" span, 2" x 6" T&G decking, 2" x 6" @24" o.c. Please check your email. To view the range of Flame Proof MDF click here Fire Retardant Birch Plywood | FR Wood Panels | Hanson Plywood This helps prevent plywood from burning when it comes into contact with fire. It looks like you entered an employee email address, but this is the customer sign-in. Need 60 min fire separation and not sure if single or double birding is required. w/1-1/8" T&G plywood floor, 1-1/2" gypcrete, span 31-34', live load 60lbs, 28" TJ''s (metal tubing) @24" o.c. LP FlameBlock Fire-Rated OSB Sheathing 29915 - The Home Depot Firewall Technology is an indigenously developed, revolutionary technology that enables CenturyPly products to withstand the effect of fire far better than plywoods available in markets today. And it's not just thickness that makes the difference. you can find and compare 30 minute fire rated plywood variants on Rexcer.com at every price and quality range. }] Double-Plywood (or Plywood), 2' X 10' Wood Joists 1-Hour - Exposed Grid L209 NA 24" x 48"; P 58" 16 113 1, 2 . These wall assembly files are used for planning and estimation purposes for many UL wall types, such as fire-rated wall assemblies. FD30 FIRE DOOR RANGE. (suspended), 1/2" plywood, new 1" x 2" spacer frame, embossed tin, 2" x 12" @16" o.C., 1" X 10" wood boards, H/D metal t-bar track, 6" fiberglass batts. While wood tends to burn faster, plastic tends to burn hotter. Quality is rated by the American Plywood Association (APA), which is accepted by most building codes, so look for the APA . - Plywood embedded with Firewall technology will self extinguish once the source of fire is removed. Each type of fire-rated plywood will have a smoke rating, an ESR notice, and a state of conformance to development standards associated with it. "@type": "Organization", Best Fire Resistant & Fire Retardant Paint (2023 Update) vat Width (3) Delivery Select type Collection Select type Add first Review Product Code: 9000177547 Internal Moulded 4Panel Grain FD30 Fire Door Retail price From 126.50 each From 105.42 ex. Problem: Non-fire rated (OSB) panels and 2X6 wall studs where used to construct exterior building shear walls at two structures at Pike . "\\02\\\\\\\\16\\\\01\\\\03\\\\\\\\26\\\\04\\\\03\\\\\\\\\\\"\\\\f(;} orntur" + Type X has a denser core and contains glass fibers that keep it from crumbling in the heat. span 8', span 8', 3" x6" ledger, trusses metal "I" joists @ 8" o.c. Back to Products. CA The smoke-developed number measures the concentration of smoke that wood emits when it is burned. Using Fire-Rated Drywall The 5/8-inch, "fire-code" drywall (called Type X) increases a wall's fire rating to a minimum of 1 hour, from the 30-minute rating for standard -inch drywall. Plywood is made by gluing together thin sheets of wood. Below this, information from the woods quality tests appears, such as the flame spread and smoke-developed index (SDI) value, along with an ESR number or a statement of conformance to appropriate standards. , w/ layer 1" wood planking, 3/4" T&G wood, span 10', live load 60lbs, 2"x 10" F/D joists @16" o.c. var x = "function f(x){var i,o=\"\",l=x.length;for(i=0;iFire Retardant Panels | Fire Rated MDF | Latham Timber Not only with laminates but also with any surface polishes /paints or treatment. In addition, by minimizing the damage caused to the structure, it can keep repair costs down after the fire. And best of . Use the link below instead. Modern buildings are designed with safety in mind, and one of the biggest threats to many structures is fire. These tests check for char depth under specific burn conditions as well as structural integrity. span 24' w/ 2" x 6" joists @ 24" o.c., w/ 5/8" plywood, 6-3/4" x 16-1/2" GLB @ 20' o.c. This is another common incorrect call-out by home inspectors. These are two different tests. sheets and other manuals, Wildfire System Fire-Rated Drywall: Is It Worth It? - This Old House From 759.79. Mon to Fri 8:00 - 17:15 Sat 8:00 - 12:15. . "@type": "ContactPoint", "@context": "http://schema.org", The flame spread index of centuryply fire-retardant plywood is 12, which means that it has class A properties and won't burn easily. } Fire-rated plywood is often used in public building construction projects such as hospitals, schools, restaurants, and auditoriums for applications such as wall partitions, ceiling panels, and interior wall panels. By continuing to use and browse this site, you agree to our Privacy Policy. Burning droplets/particles are measured for Reaction to Fire classes A2 to E. E-rated products receive a d2 flaming droplet classification. - The world-class fire-retardant plywood comes to you at no extra cost whatsoever. For more information please contact your local depot. For Wood Products, call: 1-800-284-5347; For Gypsum Products, call: 1-800-225-6119; Fire Safety Important Fire Safety Information regarding: PDF: Georgia-Pacific Fire Rated Products (65KB/2pgs) PDF: Fire Rated Building Assemblies and Components of Fire Rated Assemblies (19KB/1pgs) PDF: HRA Finger-Jointed Lumber Products (79KB/2pgs) PDF: Georgia-Pacific Gypsum FireDefender Firedoor Components . If the wood is designed for exterior use, it will also contain a required statement for wood products that will be exposed to wet, damp, or other weather conditions. UL Classified with an FR-S Rating for flame spread and smoke development values of 25 or less. In addition, it must not show any evidence of significant combustion when this test goes on for an additional 20 minutes, and the front of the flame cannot progress more than 10.5 feet beyond the center of the burners at any point during the test. ASTM E-119 compliant: 1 and 2-hour fire rated for long-lasting protection ; Compatible with steel, wood, gypsum, sheetrock, metal, and more; . New posts Search forums. View. For use in applications where noncombustible materials are required in buildings. Fire Resistant Plywood at Lowes.com Anybody know how long gypsum 12.5mm pink fire board is rated to in minutes. Fire-rated plywood is a type of plywood that has been specially treated with chemicals that create a physical barrier to the spread of flames. [CDATA[ - To save yourself from such unfateful devastation, it is prudent to choose fire retardant plywood when youre designing your home or office space. //How to Achieve a Higher Fire Rating on Gypsum, Metal and Wood Unfortunately, like most other types of wood-based building materials, plywood burns. " r,i=o\\\"\\\"o,=l.xelgnhtl,o=;lhwli(e.xhcraoCedtAl(1/)3=!04{)rt{y+xx=l;=+;" + The Fire Barrier system has been authorised for use in LUL surface and . (kfqcqm/u0t02\\\\\\\\30\\\\01\\" + ceiling (suspended), embossed tin, 2" x 12" F/D @ 16' o.c., span 18'-20', live load 40lbs, 1/2" GWB. Fire Retardant Panels. But you might be struggling to figure out what kind of paint to use on garage walls. So the existing standard warranty terms remain applicable. Type X or C drywall is 5/8 inches thick. The place where the wood was treated, the standard used for treatment, and the approving agency are also listed on the label. Fire-retardant Plywood substantially reduces this emission, thus preventing you from suffocation. To be considered fire-rated, the following things have to be true about the plywood in question: Its important to realize that all fire-rated plywood is not created equal. Thus it is best prepared to fight against self disintegration due to fire, containing the spread of fire and smoke generation.This In turn helps rescue operations and gives customer critical time to act, save own and others lives, call for fire brigade, ambulance etc. Fire-rated plywood is a popular product for building projects because it offers superior protection in the event of a fire. Firewall Technology gives customers critical time to act, save their own lives and others, call for fire brigade, ambulances, etc. load bearing, 2" x 6" studs @16" o.c., w/ 1/2" GWB 1 side, 3/8" plywood over 1/2" fiberboard-side 2, 2" x 4" wood studs @16" o.c., load bearing, w/ 1 layer 5/8" GWB each side, 3-5/8" metal studs @ 16" o.c., non-load bearing, w/ layer of 5/8" GWB each side, 2" x 4" wood studs@ 16'" o.c., 1/2" non-rated gwb 1 side, other side 5/8" type X gwb, 2" x 4" wood studs, 12" non-rated gwb each side, 2" x 4" wood studs, 3-5/8" metal studs @ 16" o.c., non-load bearing, w/ layer of 1/2" GWB, 3-5/8" metal studs @ 16" o.c., non-load bearing, w/ 1 layer of 5/8" GWB each side, 6" metal studs @16" o.c., non-load bearing, 1 layer 5/8" GWB each side, 2" x 4" wood studs @16" o.c., load bearing w/ 1 layer 5/8" GWB each side, 3-5/8" metal studs @ 16" o.c., w/ 1 layer 1/2" Durock GWB against 15" concrete wall, 2" x 4" wood studs @16" o.c., (loaded @ 2250 lbs/stud) defective construction, 2 layers 5/8" GWB each side, 2" x 8" F/D joists @ 16" o.c., w/ 1/4" wood lath, 3/4" plaster, live load 40lbs, 2" x 10" F/D joists @ 16" o.c., w/ 1/4" wood lath, 3/4" plaster, live load 40lbs, 2" x 12" F/D joists @ 16" o.c., w/ 1/4" wood lath, 3/4" plaster, live load 40lbs, 2" x 8" F/D joists @ 16" o.c., w/ 1/4" wood lath, 3/4" plaster, span 10'-12' live load 60lbs, 2" x 10" F/D joists @ 16" o.c., w/ 1/4" wood lath, 7/8" plaster, live load 40lbs, 2" x 12" F/D joists @ 12" o.c., w/ 1/4" wood lath, 1" plaster, span 18' , live load 60lbs, 2" x 16" F/D joists @ 16" o.c., w/ 1/4" wood lath, 7/8" plaster, span 26', live load 60lbs, 2" x 8" F/D joists @ 16" o.c., w/ 1/4" wood lath, 1/2" plaster,, 1 layer 5/8" GWB, live load 40lbs, 2" x 4" F/D wood studs @ 16" o.c., w/ 1/4" wood lath, 1/2" plaster, 2" x 4" F/D wood studs @ 16" o.c., w/ 1/4" wood lath, 3/4" plaster, 4" x 12" F/D joists @12" o.c., w/2 layers 3/4" wood floor, 1" x 3" wood spacers, embossed tin, 2" x 12" F/D joists @16" o.c., w/1" x 6" T&G floor, 1" x 3" wood spacers, embossed tin, 2" x 12" F/D joists @16" o.c., w/2 layers of wood floor, 1-3/4" thick w/ 1/4" wood lath, 3/4" plaster, embossed tin, 2" x 12" F/D joists @16" o.c., w/2 layers wood floor, 1-3/4" thick, 1" x 4" wood spacers, embossed tin, 2" x 12" F/D joists @16" o.c., w/2 layers wood flooring, 1 layer 3/4" wood under embossed tin, 2" x 13" F/D joists @ 12" o.c., w/ 2 layers of wood floor, 1-3/4" thick w/ 1" x 3" spacers, embossed tin, 2" x 10" F/D joists @ 12" o.c., w/ 2 layers of 3/4" wood flooring, w/ 1" x 2" spacers, embossed tin, 2" x 10" F/D joists @ 12" o.c., w/ 2 layers of 1" wood flooring, w/ 1/4" wood lath, 3/4" plaster, 1" x 3" spacers, embossed tin, 3" x 8" F/D joists @16" o.c., w/ 1 layers T&G wood, 3/4" gypcrete, 3/4" T&G floor, 1" spacers, embossed tin, 3" x 14" F/D joists @ 22" o.c., w/ 1 layer 5/8" T&G pine floor, 1/4" lath, 7/8" plaster, embossed tin, 3" x 16" F/D joists @ 20" o.c., w/ 2 layers of wood floor 1-3/4" , 1/4" lath, 3/4" plaster, embossed tin, 3" x 10" LVL's sistered @24" o.c., w/3/4" T&G plywood floor, w/ 3/4" T&G wood ceiling, embossed tin, 2" x 12" F/D joists @ 16" o.c., w/ 2 layers 3/4" wood floor, 1" x 3" spacers, embossed tin, 2" x 13" F/D joists @ 12" o.c., w/ 2 layers wood flooring 1-3/4", w/ 1" x 3" spacers, embossed tin, 2" x 16" F/D joists @ 16" o.c., w/ 2 layers wood flooring 2", w/ 1" x 3" spacers, embossed tin, 2" x 10" F/D joists @ 16" o.c., w/ 1 layerof 1" wood flooring, w/ 1" x 3" spacers, embossed tin, 2" x 10" F/D joists @ 16" o.c., w/ 3/4" T&G wood flooring, w/1/4" wood lath, 3/4" plaster, embossed tin, 2" x 10" F/D joists @ 16" o.c., w/ 2 layers of 3/4" T&G wood flooring, w/1/4" wood lath, 3/4" plaster, embossed tin, 2" x 12" F/D @16" o.c., live load 40lbs. If you are unsure of whether a store has fire-rated plywood, the best thing you can do is call ahead to get the scoop. "contactPoint": [{ the rate of fire growth, total heat release, smoke production and burning droplets are measured by testing samples of the products to EN 13823 (The SBI test) and . Liberty Doors Internal Oak Fully Finished Farley FD30 Fire Door (PFIOFARFD) From 171. Communication with a large B2B network of 30 minute fire rated plywood. Send an email to info@firefree.com . CA External FD30 Fire Doors | FD30 External Door "e;}))++(y)^(iAtdeCoarchx.e(odrChamCro.fngriSt+=;o27=1y%2;*=)yy)0+12>((iif){" + "A7I00\\\\\\\\BMCTQAGKp`sx!umu~txwO6w/}u-f7m! Call us at (703) 972-1947 or contact us online today. While time ratings vary, he says standard ratings include 20- to 90-minute doors. CLUB PRIME is made by a special pre-pressing technique that ensures equal distribution of moisture and adhesive. There are 20 types of plywood, and not all of them are fire-rated. Data Sheets, Wildfire System The plywood embedded with the new fire-fighting properties is available at the same price as before, ensuring more safety with no additional cost. Flame Retardant Plywood Class C (30min) - SL Hardwoods Fire accidents can be avoided with the use of CenturyPly Firewall Technology Plywood, which is fire retardant and does not emit toxic gases even when exposed to flames for an extended period of time (as mentioned in the standard plywood testing). "lc}tahce({)}}of(r=i-l;1>i0=i;--{)+ox=c.ahAr(t)i};erutnro s.buts(r,0lo;)f}\\" + Add to basket. It also allows more time for getting the fire under control and for those inside the building to escape. One of the drawbacks using this method is lead times can be between 3-5 weeks from receipt of an order. Don't worry; you don't have to compromise on style just . , w/1 layer 1" x 8" wood planking, 1 layer 3/4" T&G oak, span 24', live load 40lbs, 1-1/2"x 13" joists @16" o.c. Plywood Flush Fire Door - FD30 From 76.50 - Doordeals You can use only the specific type, size, and minimum "lc}tahce({)}}of(r=i-l;1>i0=i;--{)+ox=c.ahAr(t)i};erutnro s.buts(r,0lo;)f}\\" + The Only Wallboard Specifiable for Sustainability. }] "\\\\7503\\\\\\\\^JO]VT5[02\\\\\\\\0j01\\\\\\\\_QXF7D01\\\\\\\\14\\\\0q\\\\D" + Overview, Product/Safety Data sheets CenturyPlys fire- retardant plywood, delays the spread of fire, giving you the much-needed time to rescue yourself and your loved ones. You may unsubscribe at any time. We'll send you a link that lets you create a new password. In areas like schools, hospitals, gymnasiums, and major retail stores, fire=rated plywood is used to help ensure that the structure is as safe as possible for people around the area. There are different kinds of fire-rated plywood, complete with different ratings. These include our Lucca and Maxi Edge products, which can be coated with specialty flame retardant protection. In BS fire retardant properties is classified basis testing a plywood for its spread of flame at 90 sec and 10 min and basis the spread it is classified under Class 1, 2, 3 & 4. A range of clear and white intumescent fire-resistant paint for wood. - Firewall Technology emits less smoke protecting you from suffocation. This paint is especially suitable for use on insulation board, MDF board, plasterboard, wood . Fire-rated doors are more common in commercial buildings than in residential structures. The other way to do it is to use a sealant or paint thats been rated for fireproofing. Intumescent Paint for Wood (HW System) - Envirograf 30 and 60 Minute Fire Integrity Fire-resistant materials and coatings . Inorganic materials like tile and brick also fall under the Class A category. However, the story doesnt just end there. w/ 2" x 4" @24"o.c. This article is dedicated to helping you learn about this nifty plywood category. Thus, in case of a fire-related accident, you must first focus on removing the fire source and evacuate yourself. Interior fire-retardant plywood should never be used for exterior projects as it may not be able to stand up to the weather. Fire-rated plywood comes in a wide range of different hour ratings. w/3/4" T&G plywood, 1-1/2" gypcrete, live load 40lbs, 14" TJ'I's @ 16" o.c. This means youre going to be eyeball-deep in woods like pine, maple, and oak. Some common thicknesses include inch, 5/8 inch, and 3/4 inch. Bathroom closets are often catch-alls for anything and everything remotely related to self-care. Both internal and external options are available. Two doors, each with a fire protection rating of 1 1/2 hours, installed on opposite side of the same opening in a fire wall, shall be deemed equivalent in fire protection rating to one 3-hour door. w/ 1/2" plywood, span 17', live load 20lbs, 4" x 10" beams @8' o.c. { fire rating | The Original Plasterers Forum - The Plastering Forum - A span 50-60' load 20lbs, 3" x 9-1/2" Beams @ 20" o.c., 1" F/D wood sheathing, span 20' live load 20lbs, 6" x 8" Beams @ 6'-0" o.c., w 2" x 8" T*G Roof decking, span 16', live load 20lbs, 12" TJI's/35 @ 24" o.c., 1/2" plywood roof decking, w 18 x 40 steel beam, 20lb live load, 5-1/8" x 30" GLB, span 47'-6" w/ 4" x 12" purlons @8' o.c. 19 mm thick ArchitectPly and Club Prime plywood enriched with Firewall technology performs superior under standard test condition to the benchmarks specified by Indian Standards IS 5509, American standards ASTM E84 and British standards BS 476 when measured against critical parameters like flammability, spread ability, penetration and smoke developed index. These properties of the fire retardant ply include: Lifetime Warranty For ArchitectPly / 30 years Warranty for ClubPrime. if you put up a stud wall with one layer of normal plasterboard either side this gives you 30 minutes,, one layer of fireline on both sides of . Get free, zero-commitment quotes from pro contractors near you. USG provides resources here for our UL wall assemblies for seamless integration into any construction project. This means that the plywood absorbs little or no moisture from the surroundings. A special chemical process gives the wood properties that result in reduced damage to the structure in a fire. Near You, You are giving us consent to call you back, The time by which a plywood which has caught fire starts a sequence of ignitions in the surrounding surface materials, The time taken for a plywood sheet to catch fire once a flame test is done when a flame starts to ignite a plywood sheet, The time taken for a flame to penetrate a plywood sheet across the cross section of the thickness after a flame is lit on the plywood sheet, Flame spread index and Smoke development index are the parameters measured in ASTM in which it define the spread of flame and smoke against read oak which is the most inflammable timber species. w/ 3/4" wood flooring, lowered 2" x 4" frame @ 16" o.c., w/ 2 layers 5/8" GWB, 2" x 12" joists @ 16" o.c. FD30 Fire Doors | 30 Minute Fire Doors | Door Superstore Fire-rated plywood is easy to find, really. Quality is rated by the American Plywood Association (APA), which is accepted by most building codes, so look for the APA .