Santa Clara Marine Plywood by SMWPI, is the marine plywood brand name synonymous to unmatched quality. 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. 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 … 1/8” .125” 3.2 mm .49 lbs. How much does a piece of plywood weigh? It is constructed with exterior pholic resin glue. Given sufficient time and use it may be that the protective fibreglass layer becomes damaged allowing water to permeate the surface and begin to rot the underlying plywood. Marine Plywood manufactured to AS/NZS 2272 standard, is a structural plywood intended for hulls of boats and other marine applications. Whilst naturally resistant to decay and the ingress of moisture, it is still important to ensure that once in situ both the edges and faces of the plywood are well sealed in order to increase service life. Different types of plywood also have varying amounts of glues and resins, which affect the weight significantly. Depending on the grade, knot size and frequency is controlled. Re: 3/4 vs 1/2 marine plywood weight? 4' x 16' sheets are scarfed from 2 - 4' x 8', click to see scarf joint. The outside veneers vary a great deal depending on the chosen grade. 4 ft. x 8 ft. Douglas Fir AB Marine Plywood has been sanded and can either be painted or stained to match your home decor. Here is a somewhat inaccurate and simplified "How it's Made " video on Marine Plywood. 49. 1.5 weights Average weights 01 marine plywood vary with the density which ranges from 450 to 720 kg/rn3. The main issue with using a non-marine plywood is the eternal problem of time. If the plywood is required structurally then this becomes a messy problem indeed. Its exposure durability rating is EXTERIOR and the glue used is a water resistant structural adhesive. Estimate how many mouldings you need to trim a room using the trim and moulding calculator. I have used both grades and have not seen any defects in either. INCHES Millimeters PW ALUM STEEL. The Face Veneers must have a solid surface without open defects. This page is not specifically a recommendation of products, it is for information and entertainment. Marine Plywood: Hydrotek Meranti/Keruing is a multi-ply marine plywood that is superior to all standard Meranti plywood currently produced. Marine Ply . Light Weight Gaboon (Okoume) Marine Plywood. In fact, while still incredibly strong, it’s by far the lightest marine plywood on the market. There are standard BS tests for the glue. Easy to work with for tooling, these are also light and strong and ideal for weight savings for light weight craft. Boards will be equally sanded on both sides. On average, a 4′ x 8′ sheet of 3/4″ softwood plywood weighs about 61 pounds. However, it is a good-quality, hardwood plywood made with waterproof glue. Roseburg 3/8 x 4 x 8 AB Sanded Marine Plywood. Weight per 4' x 8' 15. Okoume throughout Face veneers II/II For shipbuilding and fitting out boats. The calculation is simple: Length x Width x Height x 600. They set voluntary standards and many manufacturers adhere to them. The actual weight of plywood varies by product and manufacturer which can make it challenging to predict the weight perfectly. Its quality is known to withstand any weather condition makes it the ideal plywood for boat-making, home building and furniture-making. Squareness -- The lengths of the diagonals of a sheet shall not vary by more than 0.25% of the length of the diagonal. An additional Delivery Area Surcharge of $35 may apply for some zip codes that qualify as "beyond points." That is, it's not waterproof. Although the grading term is no longer in use, a BS 6566 grade could be applied to our Douglas Fir plywood. Sure, marine plywood has already proven itself in this regard, but it is rather expensive. 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. Different grades of plywood may also have more or fewer voids than others, which might slightly impact the weight. The lightest is 15 pounds per cubic foot, and the heaviest is 28 pounds per cubic foot. Calculate the size of a cabinet door based on the opening and generate a cut list of parts, including rail, stile, and panel dimensions. Find the room's perimeter to find out how much trim is needed. 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 . A wide variety of weight for marine plywood options are available to you, such as graphic design, total solution for projects, and others. There are some varieties of plywood that use special resin to reduce the weight, for instance, lightweight plywood products. Thereof, how do you calculate the weight of plywood? There are many exterior grades being manufactured. It is the cheapest of options for marine plywood, and the faces may have up to five patches or repairs but no voids. The marine plywood is manufactured from 100% Okoume/Gaboon throughout, which is sourced from sustained yield forest estates. They are also available in sheets or boards measuring 4 feet by 8 feet. Marine Plywood must withstand the 72-hour boil test as laid down in AS 086. Learn how to layout wainscoting with all panels a consistent size for an even look. 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 few factors impact the weight of plywood. Note the weight may greatly impact the price. 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. Both face and inner plies are constructed from whole piece, color matched, Meranti or Keruing veneers. Marine plywood is manufactured from selected species based on density, bending strength, impact resistance and surface finishing characteristics. Browse our range of trade standard plywood boards such asStructural Hardwood Plywood, Shuttering Plywood or Selex Structural Plywood. Better grades also tend to be lightweight, strong, and virtually free of defects. If the plywood is required structurally then this becomes a messy problem indeed. However, it is a good-quality, hardwood plywood made with waterproof glue. 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 durable face and core veneers, with few defects so it performs longer in humid and wet conditions. There is a possibility of voids. There are no voids and requirements for joins are similar. The thickness and number of plies is also controlled. Marine Plywood manufactured to AS/NZS 2272 standard, is a structural plywood intended for hulls of boats and other marine applications. Since it's not treated with chemicals it is not rot resistant. Our calculators can simplify your woodworking project layout and estimation. Edge joints are limited, and end joints are not permitted. Plywood sold as "void-free" does not have voids hidden in the wood layers. My page on Marine and Exterior plywood glue. * Poor bonds, overlaps and pleats, and gaps in faces are not allowed. Our Okoumé Marine plywood is graded as being compliant with BS-1088, which is the British Standard for marine plywood. Please Note: Prices, promotions, styles and availability may vary by store and online. Marine-Grade Plywood For boat-building applications, a special grade of plywood, APA Marine Exterior, is available. Water & boil proof glue (WBP), Whole piece rotary cut face, Minimum 1.2mm face veneer thickness . Given sufficient time and use it may be that the protective fibreglass layer becomes damaged allowing water to permeate the surface and begin to rot the underlying plywood. Some logic will make it apparent that switching smaller designs from plywood to steel is ill advised. Marine plywood is a premium quality plywood manufactured from durable face and core veneers, with few defects so it performs longer in both humid and wet conditions and resists delaminating and fungal attack. The BS 1088 standard is a marine plywood specification that applies to plywood made from untreated tropical hardwood veneers that have a stated level of resistance to fungus growth. 1.75 lbs. ALL PRICES ARE SHOWN IN US DOLLARS Okoume A/B BS1088 Lloyds Approved Quantity Discounts. Read on to learn more about what impacts the weight and find the weight for different varieties and thicknesses of plywood. 2.0 quality control 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. BS-1088 grading requires the same species throughout (face, back, and core), defect-free A Grade Face veneer with no repairs. Click to sort by plywood weight or percentage. The glue for marine plywood should be … This web site reflects my personal ideas and doesn't represent anyone else's point of view. It very often has an epoxy coating, often with glass cloth as well. Especially when weight has to be taken into consideration. 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. Marine plywood is a premium quality plywood made of selected wood species based on density, bending strength, impact resistance and surface finish characteristics. Often a high end exterior ply will do as well particularly in area that do not particularly stressed. Good luck on your decision. This is an Australia / New Zealand standard. A 4-by-8 sheet of plywood equals 32 square feet, so 32 times 2.3, is just over 70 pounds per sheet. Its construction is such that it can be used in environments where it is exposed to moisture for long periods. Okoumé Marine plywood is graded as being compliant with BS-1088, which is a British Standard for marine plywood. I don't claim to be an expert. It is also easier to find. Learn more about the actual thickness of plywood. Hydrotek is used in … 58. I make mistakes. Usually 4 kinds of timber species are used to manufacture the cores of plywood ( film faced plywood ) … Santa Clara Marine Plywood by SMWPI, is the marine plywood brand name synonymous to unmatched quality. Glues vary in their tenacity while being boiled. On the other hand some manufacturers claim to be up to this standard but are not. It is a marine plywood standard using the same glues, but has somewhat more relaxed requirements as to the quality of the veneers. A typical 4’ x 8’ sheet of 1/2-inch Marine Plywood weighs around 51 lbs. Since it's not treated with chemicals it is not rot resistant. 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'. 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. For the sake of simplicity, we're only going to compare 1/2” thick plywood. The Engineered Wood Products Association of Australasia is a rich source of information and explains the standard in more detail. 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… It is the cheapest of options for marine plywood, and the faces may have up to five patches or repairs but no voids. 38. It is generally considered an excellent material if not as pretty as the higher grade. The Formula 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. 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. Lund Marine Grade Plywood. The strong points of the Aquatek marine plywood are the good rot resistance and strength when weight is less important. A piece of plywood weighs approximately 600kgs per m³. Marine Plywood manufactured to AS/NZS 2272 standard, is a structural plywood intended for hulls of boats and other marine applications. You may not always need the absolute best grade of plywood. 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. Douglas Fir marine plywood is very strong, bends well, and is of medium weight. None of the marine species are naturally durable and preservative treatment will be required. Get hassle-free estimates from local trim carpentry professionals and find out how much your project will cost. 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. A typical 4’ x 8’ sheet of 1/2-inch Marine Plywood weighs around 51 lbs. Do your homework and be safe. 98. Read on to learn more about what impacts the weight and find the weight for different varieties and thicknesses of plywood. 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. 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. This 1/2 in. Boats have been successfully built using higher grade exterior plywood. Poor quality plywood. Phenol Formaldehyde which is often used in marine plywood. BS-1088 grading requires the same species throughout (face, back, and core), defect-free A Grade Face veneer with no repairs. Bright finishes are not necessarily as successful as with the BS 1088. 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. Interesting to see the process though. In addition to thickness, the type of plywood is a major factor in how much it weighs. The calculation is simple: Length x Width x Height x 600. Although the grading term is no longer in use, a BS 6566 grade could be applied to our Douglas Fir plywood. Equal thickness okoume veneers each layer, No voids, Light weight… Youtube video about making Marine Plywood. For this reason Marine Grade Ply must not have voids. So the density of plywood is mainly depended on the timer species of the core veneers . As usual it boils down to you get what you pay for and it pays to go to a reputable dealer. If you do consider switching materials, review the chart below. See the Gallery. 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. 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. Lloyds do not continuously inspect production lines or individual plywood sheets. 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". 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. Its quality is known to withstand any weather condition makes it the ideal plywood for boat-making, home building and furniture-making. The face/back veneers of plywood weight practically much less than the core veneers. 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