Imported plywood is graded with a face and back grade designation. Apa 1981 and represent a consensus opinion of the makers, sellers, and users of plywood products as well as other concerned parties. Edges of filmfaced plywood are varnished with waterresistant acryl based paint. Two special plywood types, 28 mm thick spec1 and 30 mm thick spec3, with different veneer layup schemes were selected for bending properties determination. Jan 07, 2014 if you are looking at plywood that is thin enough so that you only have 3 plies, the face plies carry the load and the middle ply is under much less stress. Each type of wood material has its own properties and characteristics that influence the performance of the sheets in concrete application, such as the bending strength and the durability.
Birch faced plywood constructed with outer faces of birch veneers with poplar comprising the inner layers. Corporate standard film faced birch plywood specifications. One birch veneer on each face and alternate inner veneers of. Birch throughout plywood is made from only birch veneers of the same thickness, glued and laid up in alternating directions to the required thickness. The laminated surface stops moisture from penetrating and provides resistance to abrasion, aggressive environments, fungus and mold. Film faced birch plywood, x, exterior, ff, 11, e1, 2,440x1,220x12, db 120120 sto 002551770022014 5 technical specifications 5. Finnish birch with face grade iiiiii or conifer plywood with face grade iiiii wisa plywoods wisa birch, wisaspruce. Base plywood metsa wood birch plywood is made of crossbonded 1. The extensive benefits of the expertise in plywood business have enabled latvijas finieris to expand expand and develop and to become a significant market player. James latham are stockists of a wide range of birch plywood including wisa birch premium, wisa twin, thin finnish, grada and overlaid panels.
Environmentally friendly our antislip plywood is fsc certified. Plywood the manufacturing production process plywood. Birch plywood is widely used in the furniture industry due to its aesthetic properties, durability and easy handling. Finnish birch betula pendula, hardwood and spruce picea abies, softwood are the most important raw materials in the plywood process. Film faced reverse the smooth film face on the reverse provides protection from damp environments.
Plywood syply reflects the best characteristics of birch wood. To make birchfaced plywood, three or more thin layers of birch wood are bonded together with a strong adhesive. Segezha birch plywood, segezha creative, segezha honeycomb, segezha ironbirch. Surfaces smooth phenolic film both sides no texture. However in permanent exterior structures plywood must be properly surfaced, edges sealed. In addition to strength, modulus of elasticity and shear modulus the density and. Dmitat plyco supplying baltic birch plywood since 1995. Plywood is a necessity for many projects, from building cabinetry in the laundry room to building your dream gazebo in the backyard. For more information of any of these products, please contact your local james latham depot. Sveza titan is a highquality, 100% birch plywood with special abrasive coating, that provides human safety, the preservation of goods and durability of flooring in commercial vehicles. The effect of compression and incision on wood veneer and.
Additionally, birchfaced plywood has a good surface hardness that resists wear and tear to a good degree. In general, the plywood can withstand direct exposure to air and water during building stage in construction. Apa 1981 and represent a consensus opinion of the makers, sellers, and users of plywood. The multiple veneers which make up this plywood, increase its structural stability as well as offering a firstclass face finish. Sveza film faced birch plywood is a highquality exterior birch plywood with special coating of resintreated paper that turns into protective film during production. Finnish and latvian birch plywood overlaid on both sides with a smooth white melamine laminate. Film faced birch plywood formply film tex birch standard plywood overlaid on both the sides with a smooth phenol film which is hot pressed onto the surface thus achieving a high resistance to wear.
Custom highquality birch plywood with a transparent uvprotected finish. Our hanson lightweight panguaneta plywood offers stability, ease of cutting and combines higher mechanical properties with the benefits of a lightweight panel. Russian birch shoring plywood packard forest products. Pr hyp x i pr rtn hyp 1 sin n log on f rs gsb gto his specification presents section properties, recommended design stresses, and design sin methods for plywood when used in building. Technical data standard birch plywood richwise australia. Standard density of richwise birch plywood is 680 kgm. Standard sizes 1220 x 2440 mm and in size 18mm 1525 x 3050 mm other sizes available on request. Back allows 36 color matched patches, which are oval in shape and egg sized. Birch plywood is used as a structural material in the manufacturing of upholstered furniture, shelves, cabinets, worktops. The properties of plywood vary with the quality of the constituent layers. Pdf effect of different fire retardants on birch plywood. Ext general purpose plywood with birch face veneers manufactured under sto 00255177001 corporate standard, sanded, graded wge iii or higher.
Birch plywood has beautiful grains, excellent textures and durable properties. May 21, 2019 segezha film faced birch plywood section 1. Our birch ply is supper flat and ecofriendly, meet e0, e1, carb p2. Plywood design specification trio forest products, inc.
Engineered wood products and an introduction to timber. Use as concrete shuttering form, building materials, for making high quality furniture and so on. Designed and tailormade to serve in demanding applications, birch plywood can be ordered with special oriented veneer structures to provide even higher strength and stiffness properties. For paint and semitransparent finishing, for veneer application of precious wood species. American construction and industrial plywood canadian softwood plywood finnish birch faced, birch and conifer plywoods.
One birch veneer on each face and alternate inner veneers of conifer and. Birch plywood has a wide range of applications for interior and exterior use. Size 5x5 1525x1525mm 4x8 1220x2440 or 1250x2500mm surface sanded thickness 240mm moisture 912%. Birch plywood is perfect for home furnishings as it has a nice, rich sheen, and. It thus provides a superbly consistent strong panel with known engineering characteristics.
About 90% of birch film faced plywood are exported to. Due to the way that birchfaced plywood is manufactured, it is considered strong and stable, lending to its durability. Technical data standard or white russian birch plywood. This type of plywood is widely used in the construction industry and vehicle production. Research on mechanical properties of birch plywood with special. Birch plywood meets requirements of standard en6362. The film faced surface of the panel prevents moisture penetrating, has high resistance to abrasion, chemicals and fungus formation. These standards have evolved over time from earlier documents ohalloran 1979, 1980. The predominant use of a single species pure birch or birch faced plywood and veneer thickness 1. Properties birch plywood can be processed in many different ways, including film overlaying, painting, lacquering, oiling, scarf jointing, advantages. Film faced plywood,aa grade, imported brown film, a grade birch core, wbpphenolic glue. Metsa wood birch plywood is characterized by excellent strength and stiffness properties, and therefore it performs very well in applications demanding high.
Properties hygienic and easy to clean, good chemical and uvresistance. In addition, birch plywood is ecofriendly and safe material for children. It has the unique decorative properties of real wood and keeps it away from scratches and chips. Internal furniture components shelving general joinery rebound walls. Psf phenolic surface film faced osha approved shoring birch plywood is a highquality veneer treated with special film. Birchply film faced plywood film faced birch plywood is ultimate in plywood having excellent physical and mechanical properties. The edges are coated with water resistant paint which protects plywood against deformation from moisture.
Grading is especially important in regards to birch plywood so the majority of mills use scanning technology to check for defects in the veneers, cutting to the required sizes and then separating potential face veneers from core veneers. Using laminate theory, the theoretically calculated effective values of the inplane and. Ce marked to bs en 986 plywood for use in dryhumid conditions en 6362 s. The structural properties and strength of plywood depend mainly on the number, thickness, species and orientation of the plies. The rigid laminated surfae not only prevents moisture absorption but also ensures excellent abrasion resistance in aggressive conditions and smooth finish to concrete formwork. Birch plywood is ideal for making furniture, cabinet, flooring, joinery and shop fitting. Birch plywood are defined ed in accordance with sfs24, as well as on the basis of international organization for standardization 9. Designerply and plywood in general is a natural product and as such will vary from sheet to sheet in appearance. The film is composed of a base paper and phenol resin that is impregnated into the base paper.
Research on mechanical properties of birch plywood with special veneer layup schemes plywood is a woodbased panel material laminated of veneers where the grain direction is perpendicular in adjacent layers. China birch plywood manufacturers and suppliers lusen. Pdf for production wooden floors, walls, roofs and concrete panels use. Birch plywood can have a clearer, knot free appearance, depending on the grade selected. Birch plywood is characterized by excellent strength and stiffness properties, and therefore it performs very well in applications demanding high strength and rigidity. Determination of elastic properties of beech plywood by. Birch plywood, 620 kgm 3 for combi plywood, 520 kgm3 for conifer plywood thin veneers and 460 kgm3 for conifer plywood thick veneers.
Check out our branch locator to see if your local branch can cut your boards to size. Birch plywood production still presents considerable development opportunities. Product data sheet laminate faced birch plywood morlands laminate faced birch plywood offers a huge range of decorative laminates. Metsa woods birch plywood products are produced of highquality finnish birch. Even plywoods with a faces are still permissible to have a small amount of naturally occurring features. Sheet materials wholesale birch plywood fast delivery. The increased costs due to the lower yield 36% and modest log quality are compounded by the fact that the lower yield also reduces output. However, if youre not an experienced plywood shopper, the numerous options at the hardware store can seem overwhelming youll find various prices matched with multiple materials, ply, sizes, veneers, grades, and more. Threelayer and fivelayer birch plywood was faced on both sides by walnut juglans regia, birch betula pendula. Kretschmann contents orthotropic nature of wood 41 elastic properties 42 modulus of elasticity 42 poissons ratio 42 modulus of rigidity 43 strength properties 43 common properties 43 less common properties 424 vibration properties 425.
Birch plywood is a superior quality hardwood plywood made up of multiple veneers to increase its structural stability while offering a high quality face finish. Description filmfaced birch plywood is high quality plywood covered with resin treated. As the decorative veneer on the surface of the product is made of highquality wood by slicing or peeling, it has better decorative properties than plywood. This allows the use of a wood like poplar that has approximately half the crushing strength and modulus of birch. Face veneers are considered clear and free of defects with a lightuniform color. Effect of different fire retardants on birch plywood properties. They need to be cut to size and go through an initial grading process. Formwork application requires wooden panels with 3 or more layers of film faced or uncoated plywood.
Thick face veneer allows you greater margin for sanding without worry of sanding through. Size 4x8 1220x2440mm 5x5 1525x1525mm surface sanded thickness 330mm moisture 912% tolerance standard 0. Sudden impacts to the plywood do not seem to impart much harm to the wood. Both types of plywood have grades to suit decorative needs. At the same time the aesthetically pleasing, fine tight grain of the bb face is suitable for all types of surface finish or none as required. Birch plywood class 3 manufactured from a dense timber species birch plywood is a high quality, multiply hardwood panel, offering consistent strength, fine grain texture and ease of finishing. Hardwood or hardwood faced plywood is generally darker in colour than softwood plywood. The structural grade plywoods that are commonly used in the uk construction industry are. White melamine faced birch plywood fsc or pefc certified pre.
The purpose of this report is to test birch plywood types with special veneer layup schemes and compare values of bending strength and modulus of elasticity determined for plywood species of different widths and at bending flatwise and edgewise. Sveza uv coated birch plywood is ready to dimension and millready panels. Columbia forest products has the largest assortment of plywood. Tropical hardwood throughout plywood from one of the largest producers in malaysia from legitimate well managed forests. Standard density of richwise birch plywood is 680 kgm biological durability. Where grades having c plugged face veneer are identified as fully sanded, sanding characteristics shall be the same as admitted under b grade. The topselling product within plywood is the columbia forest products 34 in.
Birch is of uniform consistency and it has excellent strength, peeling and gluing properties. Samples are only an indication of a full sheet of plywood and often do not show a true indication of how a full sheet will look. Edges are sealed with waterdispersible acrylic paint. Birch plywood is made from only birch veneers of the same thickness, glued and laid up in alternating directions to the required thickness. Mechanical properties of woodbased composite materials. To reduce the shrinkage of the plywood and increase the finished plywood s strength, each layer of the birch wood is oriented with the grains running alternate to the piece below it.
Film faced plywood is exterior birch plywood, overlaid with phenol or melamine film on one or both sides. Filmfaced plywood is highly resistant to various natural and chemical wear and tear. The use of plywood can be extended if there is a possibility to use special layup schemes designed to improve mechanical. Baltic birch plywood use this voidfree plywood for your shop jigs, utility cabinets, or functional furniture projects. Global municipal solid waste msw generation is expected to double by 2025 and as landfilling is presently the most common method of msw disposal, a significant proportion of thi. Grade bb discoloration is allowed up to 70% of a sheet surface, loose knots and open defects are patched, patches should match surrounding grain direction and color. Sign me up to timbmet enews for the latest product news, events and promotions. Spruce is a less dense and more economical wood species for spruce throughout plywood and in special constructions of mixed birch and spruce veneers. The panels are extremely hard wearing so ideal for high traffic, commercial applications. Filmfaced plywood has strong mechanical properties exceeding standard plywood in terms of elasticity modulus, bending and shear strength. Wood handbookchapter 4mechanical properties of wood.
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