Okoumé Marine plywood is graded as being compliant with BS-1088, which is a British Standard for marine plywood. Regular plywood is much less expensive than marine plywood. A 4-by-8 sheet of plywood equals 32 square feet, so 32 times 2.3, is just over 70 pounds per sheet. WarriorII, Depending on how wet the board is, you can expect it to weigh between 60 and 66 pounds. Marine Plywood manufactured to AS/NZS 2272 standard, is a structural plywood intended for hulls of boats and other marine applications. Usually 4 kinds of timber species are used to manufacture the cores of plywood ( film faced plywood ) … Click to see full answer. Sure, marine plywood has already proven itself in this regard, but it is rather expensive. Lloyds do not continuously inspect production lines or individual plywood sheets. Engineers have rounded-off weight calculations for plywood to square foot calculations, and have decided that, for engineering purposes, a generic square foot of 3/4-inch-thick hardwood plywood weighs 2.3 pounds. Asked by Tim May 31, 2020 1 This 1/2 in. How much does a piece of plywood weigh? The charts below show the weight of plywood panels at different thicknesses. BS-1088 grading requires the same species throughout (face, back, and core), defect-free A Grade Face veneer with no repairs. Okoume throughout Face veneers II/II For shipbuilding and fitting out boats. They help set standards. Both face and inner plies are constructed from whole piece, color matched, Meranti or Keruing veneers. Click and Collect is available or enjoy free UK delivery on selected orders over %pound;150 excl. None of the marine species are naturally durable and preservative treatment will be required. However, it is a good-quality, hardwood plywood made with waterproof glue. the approximate weights are: 4mm Plywood: 2.24 kg/m2 6mrn Plywood: 2.36 kg/ma 9mm Plywood: 5.04 kg/m2 12mm Plywood: 6.72 kg/mž . Weight per 4' x 8' 15. That is, it's not waterproof. A panel made up mostly of particles and glue(MDF) will be much denser than plywood with many voids and less glue. So the density of plywood is mainly depended on the timer species of the core veneers . Advantages of Regular Plywood over Marine Plywood. Unless specially improved, C-grade veneer is permitted to contain knots and knotholes up to approximately 1-1/2 inches across, and the inner plies may have core gaps up to 1-inch wide. Face veneers must be free of knots except "sound pin" knots, (no more than six in any one square foot,) the average of pin knots cannot exceed 2 per square foot over the whole surface of the plywood sheet. It has a Type A (wbp) phenolic bond glue and is manufactured from woods based on density, bending strength, impact resistance and surface finishing characteristics. Voids not only weaken the plywood but create a ready path for water infiltration. The glues are usually essentially the same as the marine grades. Compared to other marine and exterior hardwood plywood’s, the plywood offers a weight saving of up to 25%. 1.4 standard sizes Panels are obtainable in the following standard dimensions Lengths: 1800mm, 2100mrn and 2400mrn The strong points of the Aquatek marine plywood are the good rot resistance and strength when weight is less important. Re: 3/4 vs 1/2 marine plywood weight? Marine plywood is available in the following grades: A-A, A-B, and B-B. The highest quality grade of veneers are used in every layer and these veneers don’t have defects, eliminating core gaps when the sheet is cut. Marine plywood is manufactured from selected species based on density, bending strength, impact resistance and surface finishing characteristics. At 560 kg/rns density. VAT. In addition to using different amounts of glues and resins, different types of resin vary in weight. Marine Plywood. Marine plywood is a great wood to work with, with a smooth and knot-free surface that’s ideally suited to staining, painting and lacquering for a professional finish. Hydrotek Marine Plywood is manufactured utilizing BS 1088 specifications, it is a multiply type construction, with balanced internal plys and thick (1mm before sanding) face veneers, and water proof phenolic glue. Unfinished Marine Baltic Birch whole-piece face veneer plywood in thicknesses from 6mm or 1/4″ to 24mm or a full 1″ in six different thicknesses. The marine plywood is rarely left unfinished. Most of us would prefer to understand the options a bit better. Roseburg's AB Marine Panel is a marine-grade plywood that is produced entirely of Group 1 species of veneer. Gaps may be filled using veneer inserts glued with appropriate adhesive. The main issue with using a non-marine plywood is the eternal problem of time. It is usually made from Western Larch or Douglas Fir wood. Use our plywood calculator to find how many sheets of plywood you need for your project. Other core materials cannot compare with Sing Core’s torsion box honeycomb foam core structural integrity, especially at up to one-tenth the weight of standard plywood. This is WBP glue and stands for "Weather and Boil Proof". Since it's not treated with chemicals it is not rot resistant. Hydrotek is used in … Core veneers requirements are similar to face veneers except that slits are allowed as long as they are small. The glue for marine plywood should be … On the other hand some manufacturers claim to be up to this standard but are not. There are standard BS tests for the glue. Back veneer is to have no more than two repairs. How can one get this marine plywood????? The face/back veneers of plywood weight practically much less than the core veneers. THICKNESS WEIGHT PER SQ/ FT. The plywood does not have to be of British Manufacture. Find the room's perimeter to find out how much trim is needed. Poor bonds, overlaps and pleats, and gaps in faces are not allowed. Marine Plywood must withstand the 72-hour boil test as laid down in AS 086. The capacity of a plywood to not de-laminate under boiling is not only dependent on the quality of the glue but also on the materials used and the care which was used in the manufacture. Better grades also tend to be lightweight, strong, and virtually free of defects. It is also easier to find. Santa Clara Marine Plywood Built to Last. They are also available in sheets or boards measuring 4 feet by 8 feet. Poor quality plywood. Okoume has a high strength to weight ratio which is why it is the plywood of choice for racing boats and applications where weight is important. Okoumé Marine plywood is graded as being compliant with BS-1088, which is a British Standard for marine plywood. The Engineered Wood Products Association of Australasia is a rich source of information and explains the standard in more detail. Face Veneer thickness -- For any three-ply construction, each veneer sheet will not be any thinner than 1/8 of the total thickness of veneers assembled dry. For this reason Marine Grade Ply must not have voids. Plywood sold as "void-free" does not have voids hidden in the wood layers. Water & boil proof glue (WBP), Whole piece rotary cut face, Minimum 1.2mm face veneer thickness . Opinions range from the high and mighty: "Since you are going to spend a lot of time building, you should use the best material available no matter what the cost" to the economy version "Grab some Luan underlay, build a quick cheap boat and get out there and have some fun". The main issue with using a non-marine plywood is the eternal problem of time. However, it is a good-quality, hardwood plywood made with waterproof glue. They have extensive publications that can be downloaded for free but you need to register and sign in. Learn more about the actual thickness of plywood. 38. The Moisture content of the plywood must fall between 6% and 14% when it leaves the factory. For example, if your piece of plywood was 2.4mtrs long, 1.2mtrs wide and 25mm high the equation would be 2.4 (L) x 1.2 (W) x 0.025 (H) x 600 = 43.2kgs A typical 4’ x 8’ sheet of 1/2-inch Marine Plywood weighs around 51 lbs. Our calculators can simplify your woodworking project layout and estimation. True hardwood plywood is made with thin layers of 100 percent hardwood, which generally is stronger and harder and has a finer grain than softwood. Orders of Marine Plywood totalling 100 lbs or less will ship to the Lower 48 states for a flat-rate of $148. Roseburg 3/8 x 4 x 8 AB Sanded Marine Plywood. On average, a 4′ x 8′ sheet of 3/4″ softwood plywood weighs about 61 pounds. Sing Core supplies the marine industry with lightweight sing panel products used in … Estimate how many mouldings you need to trim a room using the trim and moulding calculator. Marine plywood is a type of hardwood plywood. Selected Okoume throughout plywood meeting the British Standard, BS 1088:2018 with the Lloyd's Register Type Approved certificate, Marine Ply is widely recognised by professionals in boat construction: racing or recreational boats, manufacture of kits for kayaks, canoes and wooden boats. Marine Plywood manufactured to AS/NZS 2272 standard, is a structural plywood intended for hulls of boats and other marine applications. MARINE PLYWOOD . A big benefit of using marine plywood sheets is that it’s easy to machine and work with, as it has a great strength to weight ratio. It is an extensive document which details all characteristics of the plywood. If you do consider switching materials, review the chart below. Calculate the weight of different species of lumber using our lumber weight calculator. See the Gallery. Marine Plywood Okoume (aucoumea klaineana) also known as gaboon or combogala, is only found in Gabon, the Congo and Equatorial Guinea in Africa. Weight may vary slightly by manufacturer and product. Marine plywood is a premium quality plywood made of selected wood species based on density, bending strength, impact resistance and surface finish characteristics. There are some varieties of plywood that use special resin to reduce the weight, for instance, lightweight plywood products. 1.5 weights Average weights 01 marine plywood vary with the density which ranges from 450 to 720 kg/rn3. It excels in all things except appearance. IF you want to build a boat make sure you use the material as instructed by the designer. Thereof, how do you calculate the weight of plywood? Marine Plywood Okoume (aucoumea klaineana) also known as gaboon or combogala, is only found in Gabon, the Congo and Equatorial Guinea in Africa. Light Weight Gaboon (Okoume) Marine Plywood. A piece of plywood weighs approximately 600kgs per m³. Available in five densities ranging from 15 pounds to 26 pounds per cubic foot, Reinforced Polyurethane Foam complements 3M’s existing line of … The calculation is simple: Length x Width x Height x 600. A piece of plywood weighs approximately 600kgs per m³. 4' x 16' sheets are scarfed from 2 - 4' x 8', click to see scarf joint. The calculation is simple: Length x Width x Height x 600. True hardwood plywood is made with thin layers of 100 percent hardwood, which generally is stronger and harder and has a finer grain than softwood. Unfinished Marine Baltic Birch whole-piece face veneer plywood in thicknesses from 6mm or 1/4″ to 24mm or a full 1″ in six different thicknesses. This plywood is graded II/III and has ALL BIRCH solid inner plies with no voids for durability and strength. ALL PRICES ARE SHOWN IN US DOLLARS Okoume A/B BS1088 Lloyds Approved Quantity Discounts. The precise thickness of the panel is a major factor in the weight. Some logic will make it apparent that switching smaller designs from plywood to steel is ill advised. Typically, okoume is combined with lightweight poplar plywood and the resultant panel described as 'okoume/poplar combi plywood' or 'okoume/poplar twin plywood'. Plywood Weights Sheets Volume Weight Weight Weight Weight Pack Height Pack Height per pack m3 p/pk kg/psht kg/pm2 kg/pm3 kg/ppack m3/tonne mm mm (incl bearers) PLY,R;12,BD,2400x1200,U,F11 45 1.555 19.0 6.6 550 855 1.8 550 625 Read on to learn more about what impacts the weight and find the weight for different varieties and thicknesses of plywood. Click to sort by plywood weight or percentage. Only permanent thermo-setting adhesives of the phenolic type are used in production. Similarly, how much does treated plywood weigh? In other words Lloyd's ensure that the standard in production is met. Marine-grade plywood, often simply called marine plywood, is not what it's often claimed to be. An additional Delivery Area Surcharge of $35 may apply for some zip codes that qualify as "beyond points." Hydrotek Meranti Marine Grade Plywood $ 94.98 - $ 277.98 $ 56.99 - $ 166.79 Hydrotek Meranti Plywood, which is commonly known as Philippine Mahogany or Lauan Plywood… Some logic will make it apparent that switching smaller designs from plywood to steel is ill advised. Calculate the size of a cabinet door based on the opening and generate a cut list of parts, including rail, stile, and panel dimensions. Aquatek marine plywood is manufactured with Keruing faces to ensure both strength and durability, while the core is comprised of Keruing as well to maintain the strength and durability to weight ratio. Easy to work with for tooling, these are also light and strong and ideal for weight savings for light weight craft. The Engineered Wood Products Association of Australasia, UV RESISTANT MARINE GRADE EPOXY RESIN (1 Gallon Kit) * CLEAR * NON-TOXIC * BOAT * BAR TOP * TABLE TOP * FIBERGLASS * WOOD * LAMINATING, Ultrasimple Boat Building: 17 Plywood Boats Anyone Can Build, 2" Woven Fiberglass Cloth Tape E-Glass Fiber Fabric Plain Weave, Reinforced Repair Winding, Seams, Boat, Molding, Fiberglass Laminating Roller, Bubble Buster, Aluminum Head, 1/2" x 3", Building a Plywood Stitch and Glue Apple Pie Pram Tender, KJP Select hardwood stocks some marine plywoods. For marine plywood : According to marine plywood standard BS 1088 , the thickness of face/back veneers for multi-ply construction should be 1.3 ~ 3.8 mm; for three-ply construction, the thickness should be about 0.5mm . The actual weight of plywood varies by product and manufacturer which can make it challenging to predict the weight perfectly. That is, it's not waterproof. On average, a 4′ x 8′ sheet of 3/4″ softwood plywood weighs about 61 pounds. There are many exterior grades being manufactured. INCHES Millimeters PW ALUM STEEL. 71. BS 1088 plywood must use a glue, which has been tested and shown to be highly resistant to weather, micro-organisms, cold and boiling water, steam and dry heat. The outside veneers vary a great deal depending on the chosen grade. It has a Type A (wbp) phenolic bond glue and is manufactured from woods based on density, bending strength, impact resistance and surface finishing characteristics. A wide variety of weight for marine plywood options are available to you, such as graphic design, total solution for projects, and others. 1.75 lbs. Douglas Fir marine plywood is very strong, bends well, and is of medium weight. 25. Marine plywood is manufactured from selected species based on density, bending strength, impact resistance and surface finishing characteristics. weight for different varieties and thicknesses of plywood, Feet and Inches Length Measurement Calculator. * The marine plywood is manufactured from 100% Okoume/Gaboon throughout, which is sourced from sustained yield forest estates. A piece of plywood weighs approximately 600kgs per m³. Compliance with BS1088 says it all really - This is the standard which is specified by Marine Insurers and Marine Plywood is widely used within the Ship and Boat Building industries. In most situations, it will weigh approximately five pounds more than a sheet of softwood plywood and three to four pounds more than a sheet of hardwood plywood. My page on Marine and Exterior plywood glue. A few factors impact the weight of plywood. Lund Note the weight may greatly impact the price. Boards will be equally sanded on both sides. Its quality is known to withstand any weather condition makes it the ideal plywood for boat-making, home building and furniture-making. This page is not specifically a recommendation of products, it is for information and entertainment. A typical 4’ x 8’ sheet of 1/2-inch Marine Plywood weighs around 51 lbs. It has a Type A (wbp) phenolic bond glue and is manufactured from woods based on density, bending strength, impact resistance and surface finishing characteristics. Hoop pine is often used. How many sheets is 3/4 plywood? In order to be a Marine Grade the plywood has to conform to a certain number of criteria: Here is a Youtube video about making Marine Plywood.It is how one company makes it and not necessarily representative of all marine plywood but it is interesting. Marine Plywood: Hydrotek Meranti/Keruing is a multi-ply marine plywood that is superior to all standard Meranti plywood currently produced. It is the cheapest of options for marine plywood, and the faces may have up to five patches or repairs but no voids. The face veneers are often of slightly lower grade and thinner. Glues vary in their tenacity while being boiled. Our Marine Okoume plywood has a Lloyd’s of London stamp that certifies it to be BS 1088. I'm not an engineer or a chemist. Especially when weight has to be taken into consideration. Browse our range of trade standard plywood boards such asStructural Hardwood Plywood, Shuttering Plywood or Selex Structural Plywood. MARINE PLYWOOD Joubert Okoume Wolstenholme International was one of the first companies to offer a FSC certified Okoume marine plywood in the North American market. The Okoume marine plywood can be used for hull and deck components, structural bulkheads and latches. Any glue used for marine plywood or for that matter also used in exterior use has to conform to the a stringent test. So the density of plywood is mainly depended on the timer species of the core veneers . For the sake of simplicity, we're only going to compare 1/2” thick plywood. 1/8” .125” 3.2 mm .49 lbs. If the plywood is required structurally then this becomes a messy problem indeed. Marine Plywood manufactured to AS/NZS 2272 standard, is a structural plywood intended for hulls of boats and other marine applications. Equal thickness okoume veneers each layer, No voids, Light weight… Aquatek marine plywood is manufactured with Keruing faces to ensure both strength and durability, while the core is comprised of uniform color light red Meranti to maintain the strength and durability to weight ratio. Marine plywood is the highest grade of plywood. Better grades also tend to be lightweight, strong, and virtually free of defects. Are You Planning a Trim Carpentry Project. For example, hardwood lumber weighs more than softwood lumber due to higher densities. Pressure-Treated Plywood: This is generally a softwood plywood that has been pressure-treated to help it resist decay caused by fungus, insects, and other organisms. Phenol Formaldehyde which is often used in marine plywood. Its quality is known to withstand any weather condition makes it the ideal plywood for boat-making, home building and furniture-making. It can be cut to size easily with just a handsaw or an electric saw, so it’s great for DIY projects. Here is a somewhat inaccurate and simplified "How it's Made " video on Marine Plywood. I don't claim to be an expert. Whole piece, color matched, Meranti or Keruing veneers ; 150.... Length x Width x Height x 600 using our lumber weight marine plywood weight lightest plywood. Is the nominal marine plywood weight after drying products available at Edensaw inches, fractions, centimeters, virtually. London stamp that certifies it to be BS 1088 resin to reduce the weight of plywood you to. 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