As far as water resistance, plywood that is bs1088 (or better) should be a must in order to ensure long term durability. exterior structures. while perhaps not as harsh an environment as on a boat, depending on where the structure is situated exterior plywood can take quite a beating.. Exterior wood is good for most all wood needs, and can be purchased to look almost identical to marine plywood at a much lower cost. plywood graded c-d or cdx is often mistaken for exterior plywood, but is not approved by the apa for outdoor exposure.. Marine plywood manufactured to as/nzs 2272 standard, is a structural plywood intended for hulls of boats and other marine applications. 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..
Exterior grade softwood plywood is most commonly used in the construction industry for its structural qualities and price point. it is usually made from softwoods such as douglas fir or pine. a structural exterior (water resistant) adhesive is used to adhere the veneer layers together.. Marine-grade plywood, often simply called marine plywood, is not what it's often claimed to be. that is, it's not waterproof. since it's not treated with chemicals it is not rot resistant. however, it is a good-quality, hardwood plywood made with waterproof glue. better grades also tend to be. China exterior plywood manufacturers - select 2018 high quality exterior plywood products in best price from certified chinese commercial plywood manufacturers, packing plywood suppliers, wholesalers and factory on made-in-china.com.
