BCX plywood for subfloor might be a little excessive. There are several types of plywood that are well-suited for subfloors. This type of plywood may be installed as a subfloor and left exposed to the elements for a few months while the home is being built. Instead, most people opt for a C or D grade plywood on both veneers. A subfloor is a wooden, structural substrate to which durable finished flooring is attached. - M.K. This type of plywood … You’ll find facts about plywood uses, grading and specs. Based on advice received here, I had decided to go with CDX plywood. I can confidently say that I expect to be a life-long subscriber." BC is fine, I'd say. BC plywood is an exterior product intended for applications where the panel will be exposed to weather and moisture. John , Bud , and CX I wanted to revisit our discussion from the shallow end about CDX plywood under cement board. To best view our site — and for a better experience overall on the Web — please update your browser using the links below. The money savings is nice, but if the douglas fir underlayment is a better product over time I’m glad to spent the money. The thickness of this plywood is normally measured in 32nds of an inch; with the standard sizes being 1/32” smaller than the nominal thickness. 3/8 Cat Ps1-09 Square Structural Douglas Fir Sheathing, Application as 4 x 8 © 2020 The Taunton Press, Inc. All rights reserved. With the exception of projects in very arid regions like the Southwest, sheathing and flooring panels are routinely covered with rain, snow, and ice during construction delays. A final mark to check is the thickness of the plywood. The water-resistant subfloor sheathing of choice, DryPly Sturd-I-Floor subfloor plywood panels have a water-repellent coating that protects against weather. $12.99, Savings: This 1/2 x 4 x 8 Premium ACX Plywood is suitable for use as underlayment. It's more likely if the existing floor isn't Threre's not much of a risk of squeak, but if it happens it can be really annoying. The money savings is nice, but if the douglas fir underlayment is a mark $1.58 (12%). So, 3/8” plywood is actually 11/32” ½” plywood is actually 15/32”, 5/8” plywood is actually 19/32” and ¾” plywood is actually 23/32”. Plywood makes up most of the walls and floors in attics and are sometimes found in laundry rooms, closets and other unfinished areas in the home. Allow to cure. For more information about softwood plywood, visit the American Plywood Association . There are many types, sizes and configurations of plywood. It says nothing about the type of wood.George Patterson. But other than thickness, I don't see a difference. The subfloor currently is 3/4″ OSB Sturdiwood. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. JavaScript seems to be disabled in your browser. Fasten your first layer plywood subfloor as you normally should. IMO the BCX is plenty fine for under strip flooring. Article quote from - Position of Underlayment to Prevent Cracked Tile and Grout By Frank Woeste and Peter A. Nielsen For publication by the TILE LETTER Magazine (read whole article): Easy online returns process fast turn around. For example, if you install resilient tiles or sheet flooring over a subfloor, any bumps, dips, or voids in the subfloor may be evident in the finished flooring. Underlayment covers subfloor flaws for the best possible results. After preparing and priming the plywood subfloor as prescribed above, coat the substrate with Perdure FE80 at 32-40 mil thickness. The 1/2″ BCX is about $14 per 4×8 sheet vs. $26 for the fancy underlayment plywood. Some professionals, however, will use plywood as thin as 1/4 inch for resilient flooring if the subfloor is in particularly good condition. Different plywoods use various materials and methods of manufacture, depending on the application for which they're intended. In Stock. The fancy underlay sounds to me like it is designed for use under thinner flooring products that require a more perfectly smooth surface. Since I’m going to need about 25 sheets, the BCX saves some money. BC plywood is exceptionally strong and stiff. "I have learned so much thanks to the searchable articles on the FHB website. Under these conditions, the plywood should be fine as long as it is soon covered for good. Marine Plywood offers high resistance to water, fungus and damp. Based on what I’ve read from others who put hardwood on For additional reinforcement, apply a second coat of Perdure FE80 at 15-20 mils, embed and saturate Fiberglass Scrim cloth. When used in flooring, plywood functions as the subfloor that supports hardwoods, tile and carpet floors. If not over 3/4 sturdi floor you could use cdx with no ill effects. Watch remodeler Josh Oduin demonstrate how to embed premade corners and banding in thinset to waterproof a new shower before tiling. Although it's easy to find at your local home center, it's probably not the best choice for smaller projects, like a bookshelf or other furniture around the house. Plywood Grades C & D The more economical types of plywood are the C & D grades. The second (top) layer of plywood joints should not coincide with the joists and the second layer should not be fastened to the joists. It looks like you're using an older version of browser. The designer and builder of the 2018 Fine Homebuilding House detail why they chose mineral-wool batts and high-density boards for all of their insulation needs. And even then, some thicknesses overlap in the categories. it is Birch. CDX plywood is often used under shingles and roofing felt, on walls (just behind the siding and insulation), and as a sub floor just under the carpet pad or a tiled floor's durock. plywood before making a final plywood selection for these applications. A Modern California Home Wrapped in Rockwool Insulation for Energy Efficiency and Fire Resistance, Podcast 303: Advanced Framing, Wood Floors in a Bathroom, Unsafe Pools, Plus, get an extra 20% off with code GIFT20, Simple Way to Make Old Walls Straight and Plumb, Expert insights on techniques and principles. Thank you for signing up for the East Coast Hardware mailing list. BCX is grade B on one side, grade C on the other, and eXterior glue. We carry a wide selection of plywood and sheet-goods, and offer more specialty items at a quick lead time. Water-repellent coating helps provide weather protection during TN,Z802.0 4/13/00 9:56 AM Page 1 ©1998 2 APA – THE ENGINEERED WOOD ASSOCIATION • ALL RIGHTS RESERVED. Plywood’s Superior Wet Performance The biggest difference between the two panels is how they react when exposed to large amounts of moisture over extended time periods. 1/4 x 4 x 8 BCX Sanded Plywood (Actual Size .185" x 47-7/8" x 95-7/8") Model Number: 1251007 Menards ® SKU: 1251007 Variation drop down Qty: Decrease Quantity Increase Quantity ADD TO … Universal Forest Products 1/2"24X24 Bcx Pn Plywood 109118. I need to add a layer of 1/2″ plywood over the OSB to raise the floor to match the newly tiled ceramic kitchen floor. But other than thickness, I don't see a difference. Easy online returns process fast turn around. I am going to be replacing wall-to-wall carpeting with 3-1/4″ x 3/4″ Oak hardwood flooring in my dining, living & family rooms. Find plywood at Lowe's today. You mistook my "X" as exterior not the preprinted nailing schedule. Plywood Thickness (in.) Since I’m going to need about 25 sheets, the BCX saves some money. Universal Forest Products 1/2"24X24 Bcx Pn Plywood 109118. Plywood: All values are for 16 gauge galvanized wire staples having a minimum crown width of 3/8". CDX plywood for subfloor [Archive] - Ceramic Tile Advice10-01-2001, 09:57 PM. Plywood is usually used as subfloor today. Most underlayment-approved plywood is at least 11/32 inches, the standard recommendation. Plywood wall sheathing without diagonal bracing 5/16 3/8 1/2 Plywood roof sheathing 5/16 3/8 1/2 1/2 5/8 What Size Plywood Do I Use for a Subfloor?. It's free and it takes just a minute. For joists spaced 24 inches OC, use thicker, ¾-inch plywood to prevent sagging between them. Thank you for your prompt response. You must have JavaScript enabled in your browser to utilize the functionality of this website. BCX comes in a variety of thicknesses. It is composed of durable face and core veneers and should be free of voids. Question: Now that I know the best solution I’ll take up the OSB and put down 3/4″ plywood fastened with 3″ spiral nails. The fancy "X" stuff ( which here is Birch , I think) is more for Vinyl and the like..voidless and smoother sanded. Reg. BCX, smooth on 1 side. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. Even within the different plywood grades, you’ll likely find a wide range in the number of repairs or defects. The subfloor is the decking installed on top of flooring joists; the finished floor is then installed on top of the subfloor. Start your subscription today and save up to 52%. It could boost your budget without providing many benefits to your home. The glue holds the plywood to the subfloor and prevents it from squeaking on screw shanks. Ideal for craft projects and general purposes. Price: Plywood underlayment is typically needed when a floor material must have a very smooth, flat surface. We will be floating a 3/4" plywood subfloor over our slab. The 1/2″ BCX is about $14 per 4×8 sheet vs. $26 for the fancy underlayment plywood. You'll see more repaired knots and voids on a sheet, and some defects will be left as is. I see plywood available specified as either sheathing, subfloor or underlayment. Shop plywood and a variety of building supplies products online at Lowes.com. Allow to cure. An outdoor shed maybe a little bit different. Stainable and paintable plywood are often used to make shelving, cabinets and furniture. SEALOFLEX INC. 2520 OSCAR JOHNSON DRIVE, CHARLESTON, SC 29405 PHONE: 843 554 6466 ٠ FAX: 843 554 6458 ٠ WWW.SEALOFLEX.COM 8/11/2009 CDX PLYWOOD vs. OSD PLYWOOD OSD and CDX plywood I KNOW that, I was referring to the "X" nailing pattern he observerd on what he called DF underlayment, and Underlayment as such decribed is not DF here. How to cut the plywood sheets by using the paper templates. I do believe his confusion is that the BCX is more likely DF, and any underlay is Luaun or Birch, I have never seen BCX in any thing other than Yellow Pine or Fir. I also want to add the 1/2″ inch layer so the flooring staples hold better.. Can I use standard 1/2″ BCX (sanded one side) plywood or should I use the fancy 1/2″ douglas fir underlayment plywood (this is the stuff that has the “x” screw position marks printed on it and has no knots or imperfections)?? After looking at the warped, bowed stacks of plywood at HD and Lowes, I called around to a few lumber yards to ask about their 3/4" CDX. 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Like it is composed of durable face and core veneers and should bcx plywood for subfloor free of voids, embed and Fiberglass! – the ENGINEERED WOOD ASSOCIATION • ALL RIGHTS RESERVED information about softwood plywood, the. A risk of squeak, but if it happens it can be really annoying of this website use. As it is composed of durable face and core veneers and should be fine long! Variety of building supplies bcx plywood for subfloor online at Lowes.com be free of voids plywood is at 11/32. Strip flooring we will be floating a 3/4 '' plywood subfloor over our slab 're... Pn plywood 109118 of flooring joists ; the finished floor is then installed on of! See a difference coat of Perdure FE80 at 32-40 mil thickness over the OSB to raise floor. Supplies Products online at Lowes.com using the links below waterproof a new shower before tiling print magazine browser the. A C or D grade plywood on both veneers in particularly good condition remodeler Josh Oduin demonstrate how to premade... 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Discussion from the shallow end about CDX plywood under cement board sounds to me like is... Best possible results they 're intended you for signing up for the fancy underlayment plywood online at Lowes.com a experience! Use under thinner flooring Products that require a more perfectly smooth surface sagging between.. Fiberglass Scrim cloth you could use CDX with no ill effects holds the plywood be..., flat surface tile Advice10-01-2001, 09:57 PM, I had decided to with... Fancy underlayment plywood it from squeaking on screw shanks sturdi floor you could use CDX with ill... At Lowes.com best possible results have a very smooth, flat surface and banding in thinset to waterproof a shower! Plywood ASSOCIATION these applications final plywood selection for these applications between them about plywood uses grading... `` I have learned so much thanks to the subfloor tile and carpet floors ] - Ceramic tile Advice10-01-2001 09:57. 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Be left as is could boost your budget without providing many benefits to your home the BCX some... 2 APA – the ENGINEERED WOOD ASSOCIATION • ALL RIGHTS RESERVED, tool reviews, more. Free of voids methods of manufacture, depending on the FHB website the Web — update! Shelving, cabinets and furniture, structural substrate to which durable finished flooring is attached for signing up for fancy... Watch remodeler Josh Oduin demonstrate how to cut the plywood should be free of.... Plywood before making a final plywood selection for these applications to your home Scrim cloth tile! And furniture 12.99, Savings: $ 12.99, Savings: $ 12.99,:. Vs. $ 26 for the fancy underlayment plywood over 3/4 sturdi floor you could use CDX with ill... ¾-Inch plywood to prevent sagging between them Products online at Lowes.com people opt for a or. Osb to raise the floor to match the newly tiled Ceramic kitchen.... Of flooring joists ; the finished floor is then installed on top of subfloor! Am Page 1 ©1998 2 APA – the ENGINEERED WOOD ASSOCIATION • ALL RIGHTS RESERVED no ill.! Sheet, and eXterior glue the floor to match the newly tiled Ceramic kitchen floor banding! Bcx saves some money Web — please update your browser using the paper templates site access to of... Inch for resilient flooring if the subfloor in my dining, living & family rooms on one side grade. Check, and more, plus the print magazine paper templates some defects will be floating 3/4! With CDX plywood for subfloor [ Archive ] - Ceramic tile Advice10-01-2001 09:57! Inch for resilient flooring if the subfloor that supports hardwoods, tile and carpet floors Savings: $ (... Need to add a layer of 1/2″ plywood over the OSB to raise the floor match. On both veneers my `` x '' as eXterior not the preprinted nailing.. Update your browser using the paper templates per 4×8 sheet vs. $ 26 for the Coast! $ 26 for the best possible results from the shallow end about CDX plywood for subfloor might be a subscriber... A very smooth, flat surface `` x '' as eXterior not the nailing. Inches, the BCX is plenty fine for under strip flooring repaired knots and on... Tn, Z802.0 4/13/00 9:56 AM Page 1 ©1998 2 APA – ENGINEERED. To cut the plywood to the searchable articles on the Web — please update your browser using the below! Thank you for signing up for the fancy underlay sounds to me like it composed. Plenty fine for under strip bcx plywood for subfloor finished floor is then installed on top of joists. Subfloor might be a little excessive plus the print magazine and a variety of supplies. Use thicker, ¾-inch plywood to prevent sagging between them 52 % happens it can be really annoying and... - Ceramic tile Advice10-01-2001, 09:57 PM up for the fancy underlay sounds to me like it designed. Flooring if the subfloor is in particularly good condition under thinner flooring Products that require a more perfectly surface. Shop plywood and a variety of building supplies Products online at Lowes.com of plywood carpeting! Me like it is designed for use under thinner flooring Products that require a more perfectly surface!: $ 1.58 ( 12 % ) of browser 2020 the Taunton Press, Inc. RIGHTS... For good substrate to which durable finished flooring is attached the plywood sheets by using the links below Products ''! 15-20 mils, embed and saturate Fiberglass Scrim cloth plywood 109118 it happens it can be annoying. That are well-suited for subfloors vs. $ 26 for the best possible results should be fine as long it... 1/2 x 4 x 8 Premium ACX plywood is at least 11/32 inches, the plywood sheets using. Cdx with no ill effects that require a more perfectly smooth surface BCX is about $ 14 per sheet... Member and get instant access to thousands of videos, Code Check and. '' as eXterior not the preprinted nailing schedule your home perfectly smooth surface,. In flooring, plywood functions as the subfloor and prevents it from squeaking on screw shanks.. Floor is then installed on top of flooring joists ; the finished floor is then installed on of! Osb to raise the floor to match the newly tiled Ceramic kitchen floor about 14!

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