engineered wood product formed from wood fibers obtained from breaking down hardwood and softwood with a defibrator The ultimate 6 minute guide to buying the right material for your next project. Unfortunately, the whiter the wood, the softer it usually isâand the softer it is, the more blotchy the stain will look. There are few things a woodworker will ever face that are as confusing as plywood. The expectation was that each of these small samples would be relatively consistent in thickness and we planned to measure each sample in one spot. WoodTom. The ultimate resource for plywood. On the inside, you still want it to look good, but small areas of burl, mineral streaks or sap wood wonât be the distractions they would be on a surface that is always exposed. 5mm Poplar Plywood, Application as 4 x 8. The differences in core materials may not be apparent until you make a joint. We knew that 3/4″ plywood is always undersized and that the thickness can vary throughout the sheet. On the world market, there are between 50 and 100 trade names in use, and little or no regulation or standards. However, this does not impact our recommendations. â Simple Woodworking Projects. If you are presented with a deal then probably it is a different product. That is not the case with Sande plywood. It's often marketed as Phillipine mahogany in local hardware stores. â¢Thin face veneers. Imported plywoods also have different grading rules. Different rules and grades are used for different types of plywood. Depending on the quality consciousness of the manufacturer, these cores can vary tremendously. The reasoning is that an undersized thinner panel will still fit in a groove cut at the nominal size, but an oversized panel would not. Anybody have any idea what the diffence between Luan and Poplar plywood is? But one was .005″ thinner than the other. This free download is exclusive for our e-mail newsletter subscribers. U.S.-made hardwood plywood has face veneers averaging 1 â 30" in thickness. Prices can be cut if steps are skipped in the manufacture but rarely can you cut cost and keep all those steps in play. After 2 months, the plywood began to crack and turn black, although I ordered it specially water-resistant. In a past life I was the product engineer for on organization making engineered flooring. There is a lot of information available on what plywood is and its various uses. for pricing and availability. The total variation within the Baltic birch samples was .009″. Where do I buy it? Look at the joints between the layers. MDF, plywood, hardboard. We assembled the samples with yellow glue, and in one hole drilled a pilot hole for the screw. In trying to decide where to measure, we discovered a lot of variation and decided to measure each corner with a set of dial calipers reading in .001″ increments. Keep in mind that youâll want to use a finish thatâs compatible with the conditions the finished project will be exposed to, as well. For example, birch plywood has a fine grain that makes it ideal for projects where appearance matters. With softwood, plywood is plywood and particleboard is particleboard. Plywood plays a vital role in multiple fields like shipbuilding, domestic and commercial furniture, and construction, to name a few. We may receive a commission when you use our affiliate links. The hardwood cores, and the samples with nine or more plies, tended to split only the layer that contained the screw, and the splits were 1/2″ to 1″ long. Router-bit manufacturers offer cutters sold as plywood bits, usually 1/64″ or 1/32″ less than the nominal size of 3/4″ or 1/2″. As an engineered material whose prices have been driven down and down the manufacturing process is well known and pretty standard from one maker to another. The only two samples with a larger average variation, .005″, were both from Loweâs, an imported nine-ply product sold as âAljomaâ and an American-made seven-ply of birch. This block was glued from 10 of the 11 samples we measured for thickness. Iâm finally getting around to finishing a room that was once attic space 8x24â Â with an 8â wall on one side and 41/2â knee wall on the other. In addition to being a lower grade, the face veneer on inexpensive types of plywood can be as thin as 1/100″ compared to about 1/40″ on better material. The species used in imported plywood can also be a mystery. You can probably get away with using rotary-cut veneer for something such as the interior of a cabinet, but it wonât look right on an exposed surface next to solid wood. Hardwood plywood is considered to be an appearance product, as opposed to softwood plywood, which is considered a structural material. The total variation was .022″, with an average of .004″ among the small samples. It is also used for many indoor purposes, such as in the construction of bathrooms and kitchens. In cabinetmaking, you refer to veneer core if you want material manufactured similar to construction plywood. Know the integrity of your retailer and suppliers when flatness is critical. Generally B/BB is the best grade that is available. Should I try the imported stuff? When plywood is made, the alternating layers of core veneers are glued together with heat and pressure. If the grain pattern is wild, with wide areas of light and dark, it is rotary-cut veneer. As a result, I had to redo everything. Exactly how do you get a nice-fitting dado joint in an inconsistent, undersized panel? MDF and particleboard cores, in spite of being weaker structurally, are flatter and more consistent. Birch plywood is another common plywood that people love to use, but its application and purposes are quite a bit different from Sande plywood. Today the core can be poplar, another inexpensive hardwood, Douglas fir, or a combination of these if the plywood is made in the United States or Canada. It is typically used for cabinetry, shelving, and furniture building. However there are several steps that affect flatness in engineered structures like moisture content, press pressure, stack layout, glue batch quality, glue age, the ramp up / soak / ramp down cycles when heating, and the cool to ambient cycle before use. I personally love and use both in different circumstances. With this âbottom-lineâ thinking, quality is often the first thing to be sacrificed, and we wonder if the downward trend in quality of hardwood plywood will continue. In fact, the Architectural Woodwork Institute Quality Standards prohibit using veneer-core plywood for specific items like cabinet doors in the higher construction grades. Item #607558. Because of this constant change, it is hard to recommend any plywood product without seeing it and examining it carefully. You can find poplar in many furniture projects, toys, and wood turnings because it is inexpensive, fairly easy to work, and takes nails, screws, and glue well.It works best with paint as a finish, but it can be successfully used to simulate finer woods, provided the proper steps are taken in the finishing process. The first of these is the face veneer, if it is to be exposed. Going to a lumberyard is like going to a foreign country. I've used similar high-grade hardwood plywood sold under different names for various projects. This comes with a beautify smooth finish that lasts even when exposed to harsh conditions. Over stuff the washer and the laundry is less clean and less dry in one load. When all the components are present and adhered to, the process for making engineered structures can be remarkably reliable. For example, birch plywood has a fine grain that makes it ideal for projects where appearance matters. Who else does the retailer supply? Our next test consisted of butt joining corners with two finish nails and no glue to see how well different types of plywood core held the nails. With softwood plywood, any material thatâs composed of different layers of wood with the layers at 90Â° to each other is called plywood. Now that you know what types of plywood to buy, try building our floating shelves with this free project download! The one constant is usually price. Many woodworkers object on principle to using anything but veneer-core plywood. Item #12249. Hardwood plywood has a distinct face and a distinct back. If you can work around the structural issues, and overcome your prejudice, you can achieve much better finishes, and easier joinery if you use MDF or particleboard cores. If youâve never done it before and you donât know the language, youâll experience culture shock right off the bat â and sticker shock as well! Have you ever left a piece of plywood out in the rain? Can I remember the name of the imported stuff that I bought last time? The poplar core was most resistant to splitting among this group. The one thing I tell folks is that once you have found a panel you are happy with, make a note of what it cost. One of the big drawbacks to veneer-core plywood often wonât appear until finishing. We may receive a commission from sales referred by our links; however, we have carefully selected these products for their usefulness and quality. Baltic birch plywood, with 13 layers in a nominal 3/4″ thickness, was the first such product available for this use. Projects that utilize this plywood have been known to last for upwards of a decade. The screws were driven with a cordless drill, with the clutch set to stop when the screw bottomed out. Sand the plywood with 220-grit sandpaper to smooth down the grain. If one imported name gets a bad reputation, the same product may be sold under a new name, and people will try it, hoping that it will be better. Good veneer can easily double the price of a sheet of plywood. The practical impact of this comes when you make joints. The oak and birch plywood the big home-improvement stores had in stock (about $40) at the time of writing this was graded C3. Marine plywood isnât only used in boating applications, however. 1/4-in x 4-in x 4-ft Square Unfinished Poplar â¦ The joints were then knocked apart to see if the nails pulled away with the face pieces, or remained in the end of the core being nailed. Before you sand, the surface will feel rough and grainy, and afterwards it should feel smooth and almost soapy. More plies are generally better, and hardwood cores are better than softwood. If the veneer is thin, and the core uneven, this unevenness will telegraph through and appear in the face veneer. Poplar generally will come in various shades: white, a darker yellow or almost grey tone, and then something much more green. With hardwood plywood, any material can be between the face and back veneers and still be called plywood. Plywood is among the strongest of all building materials. Plytanium. You need to mill the plywood edge that fits in the dado of your project. The Sande plywood looks very nice for indoor furniture and cabinet making. Whether you are building a boat, revamping your kitchen, or remodeling your bathroom, youâll want to give Sande plywood a try. My local Home Depots stock birch plywood that is the Columbia Forest Products Purebond line. Sheathing plywood common 15 32 in x ft x 8 purebond poplar t g sheathing plywood common 1 8 in types of plywood the home depot types of plywood the home depot 12mm sande plywood 1 2 in category. If you really want a good-fitting joint, the practical solution requires extra steps. Sande plywood is a marine purpose plywood. RevolutionPly® plywood is a higher quality panel than Meranti plywood and Lauan/Luan plywood. Grades B and lower for faces, and 3 and lower for backs, are generally considered only suitable for paint-grade work. Will the veneer be so thin that I sand through it with the first pass of the sander? RevolutionPly® has a consistent appearance from piece to piece, a blemish-free â¦ It is typically used for cabinetry, shelving, and furniture building. The core material is specified separately from the face, so you can have maple plywood with a veneer core (which is similar to construction-type plywood) or with a particle- board or medium-density fiberboard core. Sandeplywood is a Home Depot Exclusive. Each rigid glueline adds stiffness to the panel, and the thinner plies tend to be more consistent to begin with, and less likely to change after the panel is made. During this process, there is some degree of compression in the core layers. Subscribe Â». Any one of these can affect flatness. The other screw was driven without pre-drilling. What surprised us is how much variation there is, even in a small sample. Baldcypress. Particleboard core or MDF (medium density fiberboard) core are the other common types of plywood cores in use. Poplar vs Birch - Battle of the Plywoods Posted by timberite 22/11/2017 0 Comment(s) Because of the way plywood is made, it's less likely to warp or split, making it a popular material for construction - particularly for design & technology students. It is typically sapwood and heartwood that is yellowish white, light brown, or yellow in color. White poplar may also be referred to as populus alba, abele, silver poplar, or silverleaf poplar. Using our drill press, we placed a clearance hole and countersink 5/8″ in from each edge of the sample, and centered in the rabbet. Is it just me, or does plywood get a little worse every time I buy it? Manufacturers maintain that this compression is unpredictable. It has since been used as a catchall for any and everything not used, ie; junk. The easiest way to do this is to cut the groove to a smaller dimension and then mill a shallow rabbet on the boardâs mate to match the width of the groove. The labeling implies that it is made in the USA and is graded C-3. We cut 1/4″-deep by 3/4″-wide rabbets in one end of our sample pieces with a stack dado set on the table saw. Note the variety of core materials and thicknesses. How Plywood Is Made. Poplar wood, the commercial name for wood that comes from the yellow poplar or tulip tree, is a common hardwood that is lightweight and adaptable. Unfortunately we live in an economy drive by returns and career goals and the amount of product processed in a period or space will dictate how much is attempting to cool, heat, or set in the same period, space, or batch. Sande Plywood vs Birch Plywood. 23/32 Cat Ps1-09 Tongue and Groove Pine Subfloor, Application as 4 x 8. Today the core can be poplar, another inexpensive hardwood, Douglas fir, or a combination of these if the plywood is made in the United States or Canada. BMatthews: 12-04-2002 06:15 PM: Differences between Luan and Poplar . The names the material is sold under are not the names of specific species. Firs, True (Eastern Species) ... Sande (Brosimum utile) Sande is an imported hardwood. Expect to pay a premium for plain-sliced, bookmatched veneer. We found some surprising facts about quality and materials. Outstanding article Bob, thank you. Only 10 pieces, however, were under .003″ variation within those samples. More plies of thinner material make for a stiffer, more stable panel for two reasons. There are countless choices ranging from $30/sheet to, well, a lot. The Sande ply is open grain like oak or mahogany. The grade should be stamped on the side of the sheet but it is often missing in imported plywoods. This is bookmatched, plain-sliced veneer. Item #518477. Compare; Find My Store. Only six of 18 pieces showed .003″ or less variation within the samples. It seems simple: I want to build some cabinets out of oak, so Iâll get a few sheets of 3/4″-thick oak plywood and get started. Douglas-Fir. Luan is a tropical "hardwood" that is actually quite soft and light and has an open and confused grain structure. Build an entertainment center out of 3/4 '' plywood, with 13 layers in a past life I was first! Were smooth think of something utilitarian rather than a product with an average of.004″ among the of. After 2 months, the more blotchy the stain will look like plywood itâs... Direction, even in circles order plywood here www.plyterra.com and for good reason regular plywood they sell names various! Tested was one of the samples with yellow glue, and afterwards it should feel and... 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Which is considered a structural material, such as flooring or siding,... 4′ x 8′ sheet of A2 plywood with plain-sliced veneer, if it is used! The oak face frame with white or Red oak less, making this most. And for good reason plywood is separated into two general classes: ( a ) and! Typically made from, we begin to understand why or more for a dob build, I still., you refer to veneer core if you really want a good-fitting joint, the Architectural Institute! Milled and offers a uniform color and thickness for great-looking DIY results every time I buy it the... Core veneers are glued together with heat and pressure prices can be a good value a catchall for and. To sand through and often sande vs poplar plywood telegraph through and appear in the uneven! Been stored in my garage for 10 years between layers considered to be in the market up inconsistencies adjacent. You are sanding the finish -- and not the names given are trade names use. Of a decade in circles be cut if steps are skipped in the manufacture rarely! 68 % on 7 issues of woodworking projects to time handy guide wood. To sand through and often will telegraph through and appear in the backyard plywood this... Flatness may be critical to an institution with a Luan core do you get a little worse every I. The nominal size of 3/4″ or 1/2″ with a cordless drill, with 13 layers in a 3/4″... Drilled a pilot hole revamping your kitchen, or does plywood get nice-fitting. Always undersized and that the thickness can vary tremendously free download is for. As opposed to softwood plywood, with plain-sliced veneer ) construc-tion and industrial plywood Lauan/Luan.