Luan subfloor

A: ¼ 4x8 luan can be used as an underlayment on top of ¾ 4x8 plywood subflooring for a smooth surface to apply a finished flooring. Most flooring contractors us ¼ over the 3/8 thick product. Most flooring contractors us ¼ over the 3/8 thick product.

Luan subfloor. A: When laying ply over plank subfloors, ensure that the existing planks are well secured and repair any broken ones. Use a layer of at least ½” or preferably 5/8″ ply, especially if the old subfloor has lumps or bumps. Avoid fixing the ply to the joists to create a “slip” between the flooring materials.

Basic foam underlayment: Prices for basic foam underlayment can start as low as $0.15 to $0.30 per square foot, making it a budget-friendly option for many projects. Cork and rubber underlayment : More premium materials like cork and rubber can range from $0.50 to over $1.00 per square foot, reflecting their superior sound and moisture …

Nailing down 1/4″ Luan. paulbny | Posted in Construction Techniques on April 5, 2009 03:38am. I’ve got to fasten down 40 sheets of 1/4″ Luan underlayment on Monday. I was planning on using 1/4″ x 1″ narrow crown staples. It’s getting a floating floor on top of it. Place a full sheet of luan in one corner of the room, perpendicular to the direction of the subfloor panels. Leave a 1/16″ gap between the luan panel and the walls. Insert 1/4-inch crown staples every 6 inches across the luan panel’s plane and every 2 inches along the edges with a staple gun. Using Luan Underlayment For Vinyl Flooring What To Consider. Diy Kitchen Floor Removal Midcounty Journal. Soft Spongy Floor In Doorway And Repair Ideas Forest River Forums. Interior Underlayment 1 4 In X Ft 8. 1 4 In X 2 Ft Lauan Plywood Underlayment The Sheathing Department At Lowes Com.If the latest report from the Intergovernmental Panel on Climate Change was a jolting wake-up call, you may be wondering what else you can do to slow climate change. You’ve voted f...The floor of my laundry room was three layers of hideous vinyl flooring of various vintages, a layer of 3/4" plywood underlayment (to match the height of the vinyl to surrounding hardwood flooring) and a subfloor of diagonal 1x6ish planks. I removed the vinyl and replaced the rotting plywood.1/8 x 4 x 8 Lauan Hardwood Plywood. Item # 95321 |. Model # LBR95321. Get Pricing & Availability. Use Current Location. Join. Earn. Save. Learn More. Earn My Points on eligible purchases towards MyLowe's Money.

Here are nine common subfloor installation mistakes and how to prevent them: 1. Improper spacing. To avoid buckling, subfloor panels should be spaced with a 1/8-inch gap at all edges and ends to provide room for naturally occurring expansion. Tongue-and-groove edges on many premium floor panels, such as Weyerhaeuser’s Edge Gold … In April 2024 the cost to Install Underlayment starts at $3.83 - $5.77 per square foot*. Use our Cost Calculator for cost estimate examples customized to the location, size and options of your project. To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased. Sep 14, 2019 ... Just finished another room with them. My question is, should I put some luan down over the sub floor first? If I get all the tack strips, ...Put this between your subfloor and the hardwood floor. It’ll prevent any moisture from leaking through. Step 1. Rip out old carpet. Step 2. Lay down moisture barrier. Lay down Aquabar. It’s incredibly well marked for where to overlap. Only do a …Staple length for 1/4 underlayment? I am installing 1/4” underlayment down in the living & dinning room to raise the floor height to the kitchen and bathroom. Currently there is 3/4” sub floor, on top of that is 3/4” hard wood. When I am stapling this 1/4 down do my staples just need to penetrate the hardwood or should they go … Nailing down 1/4″ Luan. paulbny | Posted in Construction Techniques on April 5, 2009 03:38am. I’ve got to fasten down 40 sheets of 1/4″ Luan underlayment on Monday. I was planning on using 1/4″ x 1″ narrow crown staples. It’s getting a floating floor on top of it.

Plywood underlayment is a thin plywood material that is most commonly used under resilient flooring materials, such as vinyl and linoleum sheets and tiles. It can also be used under hardwood, laminate, and carpet, but this is much less common these days because subflooring is typically smooth enough for these materials, many of which are ...The Insider Trading Activity of Pham Luan on Markets Insider. Indices Commodities Currencies StocksWhen moving furniture and heavy equipment on the flooring use luan board or plywood to protect the panels from rolling wheels. Do not use cardboard. ... and when transitioning to other existing floors. WOOD/CONCRETE SUBFLOOR REQUIREMENTS: Approved Wood subfloors: Note that joist spacing determines minimum subfloor …We removed our linoleum from our kitchen to install prefinished hardwood flooring. we found that the linoleum wasn't glued down (except for ...Subfloor Issues - Azdel vs Luan. In the 2021 models there was a change from the Azdel underlayment to a Luan underlayment. A couple reasons for the change to Luan. We decided to make the change at model year …The subfloor is installed BEFORE walls go up, and the underlayment is installed AFTER walls are in place. We then install a layer of #30 felt paper, and add 3/8" or 1/2" BC plywood for underlayment. 1/4" underlayment in my area doesn't hold up. I install subfloors with 1 1/2" #8 decking screws (in my Quik Drive gun), and use 1 1/4" #8 deckig ...

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In April 2024 the cost to Install a Subfloor starts at $3.68 - $5.53 per square foot*. Use our Cost Calculator for cost estimate examples customized to the location, size and options of your project. To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased.I'll show you how to remove those floor staples left over form ripping out linoleum / Luan floor with 2 different tools and a tool you can make at home. This...Tri-PLY Underlayment (Common: 5.0 mm x 4 ft. x 4 ft.; Actual: 0.196 in. x 47.75 in. x 48 in.) 3/16. 4. 2. 3/16 in. 2 ft. x 4 ft. Black Chalk / White Marker MDF Board. Get free shipping on qualified 3/16 Plywood products or Buy Online Pick Up in Store today in the Lumber & Composites Department.Jun 11, 2019 ... Shows step by step how to install underlayment for vinyl flooring, from where to start to measuring to securing it to the floor ...

Jan 15, 2024 · Ideally, nail down your subfloor using corrosion-resistant nails that will securely hold it in place and last a long time. Screws are a great alternative that you can easily remove, but they are not as sturdy. Screws are superior in terms of reducing floor squeaks, but the installation is slower. Consider the thickness, material, and location ... I only have the 3/4 ply subfloor, the luan and the one layer of linoleum (which could also be "vinyl" sheeting. Never knew there was a difference and still dont know how to tell). Perhaps you could expand on the sawing. I have read others suggesting to use a circular saw set at 1/4" to help get the luan up.Step 1: Remove the Existing Flooring. Pull up the current floor. Use a pry bar and hammer to remove baseboards to create an expansion gap — a space that allows the new flooring to expand from heat and moisture.Lauan plywood, also called Luan plywood, is a tropical hardwood that originated in Southeast Asia about 40 years ago. It is frequently used for furniture, craft projects, millwork, lamination, paper overlay, and underlayment. Lauan plywood is durable, with stable wood fiber and consistent coloring; however, its appearance can vary, and it’s ...Bleach can kill mold that is on non-porous surface materials, such as glass, countertops and ceramic tile. To kill sub-flooring mold, however, you need to scrub it out with soap and water. It is recommended that you hire a professional to do this and to make sure that every bit of mold is killed. Advertisement.Most construction experts use 3-inch steel screws for plywood subfloors. To find out which length of screw you’ll need, you first have to know how thick the flooring is. You’ll want the screw to go about an inch past the plywood into the joist or underlying layer beneath it. So if your subfloor is 3/4 of an inch thick, any screw about 1 3/4 ... 7/32 in. x 4 ft. x 8 ft. Underlayment. 16. (50) Questions & Answers (9) Hover Image to Zoom. $ 27 98. Limit 90 per order. Pay $2.98 after $25 OFF your total qualifying purchase upon opening a new card. Apply for a Home Depot Consumer Card. Pour the liquid-like floor leveler onto the subfloor and smooth it out with a trowel. Gravity will help it settle into the low areas. Remove any excess floor leveler and feather it around the edges so it blends with the rest of the floor. Let the floor leveler dry overnight or as indicated by the manufacturer.Leave 1/4-inch gaps between all sheets. Continue installing sheets of plywood across the room, attaching them to the floor joists in the same way. Make sure to maintain 1/4-inch gaps between the sheets. On the last row of plywood, rip-cut the sheets to fit the remaining gap, leaving a 1/4-inch gap around the wall. Meanwhile they could just prep the existing subfloor, sanding and patching where needed and replace boards if necessary and still have the same result without the cost of the luan needed. Prep is the most important part of any flooring job, 6+ years in the business. In this case the subfloor is tongue and groove so luan would definitely help! Apr 24, 2020 · An extra ¼-inch thick piece of plywood might allow them to run resilient flooring at the same height as their tile, thereby eliminating the need for a bulky transition strip in the doorway. In situations like these, luan flooring really comes to the rescue. Luan under vinyl flooring is a perfectly acceptable use of this product. A flat subfloor allows your vinyl to firmly stick to the ground, making it more comfortable to step on. One way to provide a smooth, even surface for your vinyl is to install Luan plywood, a thin, lightweight underlayment material that works great for vinyl sheets.

Luan wood (sometimes also called Lauan plywood), is a type of plywood that comes from the Lauan trees of species in the Shorea genus. These trees grow along the South Pacific rim and have become quite popular worldwide, including in the US. This is because of its versatility, durability, and hardness, making it the perfect.

No luan, Underlayment grade plywood only. Luan can have voids in the plys which can collapse, it also can contain resins which will stain the floor from underneath. And why would you use interflex? It is not a very good product. Once the underlayment is down, you can use any sheet vinyl.Lauan plywood (also known as Luan Plywood) is a commercial term used throughout the United States that typically refers to a 1/8" - 1/4" tropical hardwood plywood panel used for underlayment in flooring, lamination, paper overlay, furniture, and millwork applications. The first Lauan panels were manufactured over 40 years ago in Japan, Korea ...Staple length for 1/4 underlayment? I am installing 1/4” underlayment down in the living & dinning room to raise the floor height to the kitchen and bathroom. Currently there is 3/4” sub floor, on top of that is 3/4” hard wood. When I am stapling this 1/4 down do my staples just need to penetrate the hardwood or should they go …Basic Instructions on Using Luan as an Underlayment for Laminate or Vinyl Flooring. 1. Luan should be installed directly on top of the subfloor (This is due to the face that, luan itself is not strong enough to to be the concrete subfloor) 2. Leave a quarter inch gap around the edges of the luan, to allow for expansion/shrinkage.Sep 21, 2020 ... 9:31 · Go to channel. How To Remove Underlayment [Subfloor]. HouseImprovements•457K views · 4:12 · Go to channel. Construction Staple Remover ...Draw diagonal lines parallel to this line 4 inches apart and then add more nails every 4 inches along these lines. If you have underlayment with a premarked fastener pattern, make sure to put a nail in each "X." Finally, nail along the last two sides 1/2 inch from each edge, nailing every 2 inches.Aug 20, 2022 ... Simple way to remove nailed down underlayment/subfloor. art ... (W) Removing Vinyl & Luan Underlayment. Ken Fisher•6.9K views · 2:24 · Go .....A flat subfloor allows your vinyl to firmly stick to the ground, making it more comfortable to step on. One way to provide a smooth, even surface for your vinyl is to install Luan plywood, a thin, lightweight underlayment material …159. 42K views 6 years ago. How to install Luan underlayment. This is used to straighten up floors under vinyl floors or carpet floors. Using glue and Staples you …

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Hello, I'm stumped. I have a kitchen with luan glued and stapled to 3/4 plywood. I need the luan removed to allow for hardwood. I have about 20% removed, the parts that escaped the glue came right up. If I use a 3/4 chisel and a hammer I'll be at it for months. I'm thinking of trying an angle grinder or a jamb saw set as low as it can go and ...Subfloor and Deck 28 oz. Tan Low VOC Construction Adhesive. Shop this Collection. Add to Cart. Compare $ 11. 98 (696) Model# 8008002. Gorilla. 9 oz. Heavy Duty Construction Adhesive Ultimate. Shop this Collection. Add to Cart. Compare. Top Rated $ 9. 98. Buy 12 or more $ 8.98 (1539) Model# 8010003. Gorilla.Sep 26, 2021 · Draw diagonal lines parallel to this line 4 inches apart and then add more nails every 4 inches along these lines. If you have underlayment with a premarked fastener pattern, make sure to put a nail in each "X." Finally, nail along the last two sides 1/2 inch from each edge, nailing every 2 inches. Leave 1/4-inch gaps between all sheets. Continue installing sheets of plywood across the room, attaching them to the floor joists in the same way. Make sure to maintain 1/4-inch gaps between the sheets. On the last row of plywood, rip-cut the sheets to fit the remaining gap, leaving a 1/4-inch gap around the wall.Feb 26, 2022 · STEP 1: Inspect the subfloor, and install luan if necessary. One thing that hasn’t changed about installing vinyl flooring—or any type of flooring, for that matter—is the need for a ... Medicine Matters Sharing successes, challenges and daily happenings in the Department of Medicine Nadia Hansel, MD, MPH, is the interim director of the Department of Medicine in th...It is a versatile choice suitable for a wide range of applications. Builders often use 1/4-inch luan plywood for interior wall paneling, cabinet backs, furniture construction, and lightweight structural elements. Its increased thickness compared to 1/8-inch provides added stability and durability.Underlayment: Just under the visible floor covering is a layer of material, usually only about 1/4- or 1/2-inch thick, and this is the underlayment. The purpose of underlayment is to provide a smooth, flat surface for the floor covering. It can be made of many different materials, chosen depending on the needs of the floor covering.With all underlayments, the fastener should penetrate the underfloor by. 3/4” (1.9cm), but not protrude through the underfloor. by more than 1/8” (3.2mm). If the underlayment is. being installed over an old floor covering, the thickness. of the flooring should be taken into consideration. ….

AllanJ. 11178 posts · Joined 2007. #4 · Feb 26, 2011. If you just attack the luan and there was a lot of adhesive, then you will very likely mar the subfloor so badly you will need to use resurfacing compound (before you can put even a new sheet of luan down). One thing worth trying, ironing the floor to see if heat softens the adhesive.Luan is a type of hardboard plywood that commonly serves as an underlayment for different types of flooring, including resilient vinyl floors. When installed...Sep 26, 2021 · Draw diagonal lines parallel to this line 4 inches apart and then add more nails every 4 inches along these lines. If you have underlayment with a premarked fastener pattern, make sure to put a nail in each "X." Finally, nail along the last two sides 1/2 inch from each edge, nailing every 2 inches. It is a versatile choice suitable for a wide range of applications. Builders often use 1/4-inch luan plywood for interior wall paneling, cabinet backs, furniture construction, and lightweight structural elements. Its increased thickness compared to 1/8-inch provides added stability and durability.Jan 15, 2024 · Ideally, nail down your subfloor using corrosion-resistant nails that will securely hold it in place and last a long time. Screws are a great alternative that you can easily remove, but they are not as sturdy. Screws are superior in terms of reducing floor squeaks, but the installation is slower. Consider the thickness, material, and location ... Hello, I'm stumped. I have a kitchen with luan glued and stapled to 3/4 plywood. I need the luan removed to allow for hardwood. I have about 20% removed, the parts that escaped the glue came right up. If I use a 3/4 chisel and a hammer I'll be at it for months. I'm thinking of trying an angle grinder or a jamb saw set as low as it can go and ...Mar 3, 2018 ... Flooring installation is all about preparation. Get the facts on how to make things perfect. #justdoityourself #lovingit #perfecteverytime ...Blue Vapor 3-in-1 Flooring Underlayment: This 3-in-1 underlayment includes standard underlayment with an attached moisture barrier, tape for easy installation, and overlap for moisture protection. This vapor underlayment is ideal for cement subfloors where there is a possibility of moisture rising up from the subfloor. 3. Glue down vinyl … Luan subfloor, Apr 23, 2024 · Remove any thin underlayment between the subfloor and the floor covering. Cut away a section with the utility knife for laminate flooring with foam or felt underlayment. For a 1/4-inch luan (plywood) underlayment board, set the circular saw at the correct depth to cut only into the luan but not any materials beneath it. , With the luan gone and you find the subfloor in good shape, 1/2" backerboard might bring you back up where you need to be. Hardibacker is slightly less than 1/2", if that helps. 02-01-2011, 07:40 AM #9: gwills. Registered User . Join Date: Jul 2006. Location: PA. Posts: 19 Bob, The plywood that is on the floor is 30 years old so it …, Luan is also sometimes used as an underlayment for resilient flooring, but professionals warn that it should only be used as a supplement to a more durable subfloor, mostly because of the danger of swelling from moisture intrusion. Luan is also used for some cabinet applications, such as for thin divider panels., May 3, 2023 · Luan plywood is lightweight, flexible, and relatively inexpensive compared to other hardwood options. The first Luan plywood panels were manufactured in the Far East, in the countries of Taiwan, Japan, and Korea, more than forty years ago. The raw wood logs used to manufacture Luan plywood were imported mainly from Indonesia, Malaysia, and the ... , Underlayment is a special grade of APA plywood that is attached on top of the subfloor to provide a durable and resistant layer under finish flooring. Underlayment’s special face and inner-ply construction resist dents and punctures from concentrated loads. Underlayment is recommended for use with Rated Sheathing, but can be skipped if the ... , Underlayment is a special grade of APA plywood that is attached on top of the subfloor to provide a durable and resistant layer under finish flooring. Underlayment’s special face and inner-ply construction resist dents and punctures from concentrated loads. Underlayment is recommended for use with Rated Sheathing, but can be skipped if the ... , Posts: 588. I repaired a 30” x 30” spot a used tt a couple of years ago. I removed the entire sandwich between the two aluminum frame rails that ran the length of the trailer. There was a cross brace at one end of the opening. I glued and screwed a 30” length of 1” aluminum angle flush with the bottom of the flooring on the three ..., There is existing 1/2″ plywood subfloor. I want to insulate the floor while still preserving head space in the room. I want to make a subfloor – styrofoam board insulation – Luan sheathing sandwich above the subfloor then topped by Carpet Tiles. What is the minimum recommended width for the styrofoam insulation and the Luan to protect ..., Meanwhile they could just prep the existing subfloor, sanding and patching where needed and replace boards if necessary and still have the same result without the cost of the luan needed. Prep is the most important part of any flooring job, 6+ years in the business. In this case the subfloor is tongue and groove so luan would definitely help!, The floor is currently ceramic tile. Once I remove the tile and scrape off the mortar / thinset my plan is to lay 5 mm Luan (aka meranti) 4’x8’ sheets. I’m doing this for two reasons. 1) have a nice smooth surface to lay the vinyl on and 2) bring the height of the floor up a little to have a smooth transition from room to room., 7/32 in. x 4 ft. x 8 ft. Underlayment. 16. (50) Questions & Answers (9) Hover Image to Zoom. $ 27 98. Limit 90 per order. Pay $2.98 after $25 OFF your total qualifying purchase upon opening a new card. Apply for a Home Depot Consumer Card. , Tri-PLY Underlayment (Common: 5.0 mm x 4 ft. x 4 ft.; Actual: 0.196 in. x 47.75 in. x 48 in.) 3/16. 4. 2. 3/16 in. 2 ft. x 4 ft. Black Chalk / White Marker MDF Board. Get free shipping on qualified 3/16 Plywood products or Buy Online Pick Up in Store today in the Lumber & Composites Department., Screw the Plywood Down. The top layer of plywood should be screwed down every 8 inches on the edge and every 6 inches in the field, or interior, section. Make sure that all screw heads are screwed flush with the level of the plywood. If the plywood flexes, add more screws to the boards. If that doesn't do it, then the floor joists may be …, Many floor coverings are best installed over a rigid underlayment applied over the subfloor. Plywood and hardboard such as luan are common rigid underlayments. Subfloor panels such as …, Highlights. Plywood features a C grade natural birch face with 0.25 mm face thickness and a C grade terminallis back, this plywood is smooth on 2 sides. Solid hardwood with …, I replaced two joists and laid down a 3/4" CDX plywood subfloor. The finish floor will be sheet vinyl. The only thing I'm not sure about is the underlayment. I could use 1/4" Luan or 1/2" underlayment-grade plywood. Luan is cheaper, but from previous threads I've read so far (I'm new to this forum), some of you guys dislike Luan. My …, 2″ or 2.5″ collated subfloor screws for the screwgun – we used square-head screws – expect 1 screw per square foot. 30 lb. construction felt. Steps for Leveling a Subfloor. Preparation: Ensure the subfloor is clear, clean, and free of debris, with plenty of space to work. Remove molding and baseboard at the edges so you can get the ..., DWS EMERGING MARKETS FIXED INCOME FUND - CLASS C- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies Stocks, When moving furniture and heavy equipment on the flooring use luan board or plywood to protect the panels from rolling wheels. Do not use cardboard. ... and when transitioning to other existing floors. WOOD/CONCRETE SUBFLOOR REQUIREMENTS: Approved Wood subfloors: Note that joist spacing determines minimum subfloor …, It sounds like the flooring manufacturers aprove it IF it is the proper type. I for one have never seen the stamp that the article refers to. My guess is that the luan that we can readily get is not intended for underlayment. Lauan Plywood Quarter-inch lauan plywood is a popular choice as an underlayment among remodelers. It has a solid track ..., Place a full sheet of luan in one corner of the room, perpendicular to the direction of the subfloor panels. Leave a 1/16″ gap between the luan panel and the walls. Insert 1/4-inch crown staples every 6 inches across the luan panel’s plane and every 2 inches along the edges with a staple gun. , There are many types of screws for plywood and OSB subfloor. You’ll want to use #8 1-1/2 inch wood screws spaced 8 inches apart to secure a 5/8″ OSB subfloor to the floor joist or floor truss. For 3/4 inch plywood, it would be best to step up to a 2-inch wood screw to account for the added thickness. You can also use screws to remove a ..., APA’s installation guidelines for 1/4-inch plywood should be followed when installing lauan plywood, but installers BEWARE: Lauan is made under a wall-panel specification of the International Hardwood Products Association (IHPA). No manufacturing specifications support its use or gauge its performance as an underlayment., Since resilient flooring is thin, any subsurface irregularities like swollen underlayment joints or nail-pops are “telegraphed” through the flooring, creating a bumpy finished surface. Product standards allow 1/4-inch service-grade hardboard to swell as much as 30% (.075 inch) when subjected to a 24-hour soak test., The floor of my laundry room was three layers of hideous vinyl flooring of various vintages, a layer of 3/4" plywood underlayment (to match the height of the vinyl to surrounding hardwood flooring) and a subfloor of diagonal 1x6ish planks. I removed the vinyl and replaced the rotting plywood., In metric terms, sheets are typically 1220 x 2440 mm and have thickness from 9.5 to 28.5 mm. The minimum subfloor thickness is approximately 3/4 inches, so the minimum thickness of OSB board you will need for laminate flooring is 23/32 inches, or 18 mm. An OSB sheet has a finely corrugated, unfinished side and a smooth side that is …, 1/4 x 4 x 8 Underlayment Plywood. (Actual Size .196" x 48" x 95-7/8") Model Number: 1251910 Menards ® SKU: 1251910. Not Available Online., Plywood features a C grade natural birch face with 0.25 mm face thickness and a C grade terminallis back, this plywood is smooth on 2 sides. Solid hardwood with thicker face veneer. Designed as underlayment for vinyl flooring. Easy to work with, great for machining and finishing. Good for high humidity areas., Apr 24, 2020 · An extra ¼-inch thick piece of plywood might allow them to run resilient flooring at the same height as their tile, thereby eliminating the need for a bulky transition strip in the doorway. In situations like these, luan flooring really comes to the rescue. Luan under vinyl flooring is a perfectly acceptable use of this product. , Birch plywood is excellent for shelving and décor because it’s strong and looks beautiful. For construction jobs where you need a base layer for walls, floors or the roof, plywood sheathing gets the job done. Plywood sheets generally come in 4-foot-by-8-foot boards. Common thicknesses include 1/4-inch, 1/2-inch and 3/4-inch., The floor is currently ceramic tile. Once I remove the tile and scrape off the mortar / thinset my plan is to lay 5 mm Luan (aka meranti) 4’x8’ sheets. I’m doing this for two reasons. 1) have a nice smooth surface to lay the vinyl on and 2) bring the height of the floor up a little to have a smooth transition from room to room., Most construction experts use 3-inch steel screws for plywood subfloors. To find out which length of screw you’ll need, you first have to know how thick the flooring is. You’ll want the screw to go about an inch past the plywood into the joist or underlying layer beneath it. So if your subfloor is 3/4 of an inch thick, any screw about 1 3/4 ..., This is an unfinished luan plywood. It is a utility grade and is often used for back side of furniture and cabinets or underlayment. Plywood is available in 1/8″ and 1/4″. This plywood has a mahogany looking face and is a good economical choice for many projects. Full 4×8 sheets are available in stock at our location.