EN 636-2. Plywood for use in humid conditions including protected external applications. It is also capable of resisting exposure to the weather for short periods. Use in interior applications where the humidity rises above that given for dry use is also acceptable.
What is en 314 2?
Plywood bonds – EN314-2 Plywoods are produced using bonds. The types of bonds used are based on whether the plywood is for use in dry, humid or exterior conditions. These classes are determined by laboratory tests in which different plywood boards are subjected to simulated weather conditions.
What is EN314 2 Class 3?
Bond Class 3: Exterior conditions ‒ unprotected exterior conditions over sustained periods. This is equivalent to climatic conditions leading to a higher moisture content than would be suitable for bond class 2 environments.
What is Class 2 plywood?
Exterior but protected – where direct wetting of surfaces and edges is unlikely once construction is completed – such usage (sheathing, soffits, sarking, roof decking, etc) is designated as Hazard Class 2 according to BS EN 335-1 1-hazard classes of wood and wood-based products against biological attack.
What does C +/ C plywood mean?
C Grade. C Grade plywood is used where the strength of the material is necessary. It is typically used for construction purposes and in C Grade material you can see discolouration, splits, defects and open knots on its surface. This material can not be used in places where the appearance of the material is necessary.
What is C +/ C plywood?
C+/C Pine plywood is used for sheathing, packing, decking, roofing, flooring, shuttering. formwork etc.
What grade is WBP plywood?
In plywood, WBP stands for Weather and Boil Proof, the category of glue used to make the most durable plywood. WBP glues are made with melamine or phenolic resin. To be considered exterior grade or marine grade, plywood must be made with WBP glue.
What are the different grades of plywood UK?
The most common types of plywood available for use in UK construction are structural plywood for humid uses (EN 636-2S) and general plywood for humid uses (EN 636-2G). These types of plywood are made from durable resins which are suitable for most construction uses.
Is Elliottis plywood Class 3?
Elliottis Pine is a stiff and resilient softwood that is easy to work, ideal where strength and economy are primary considerations. …
What does BB grade ply mean?
Grade B/BB. Generally, the best grade available for clear finishing. Good clean appearance, only minor, natural features, i.e. small pin knots permitted on the ‘B’ Face. ‘B’ grade is normally only available with ‘BB’ Grade reverse. (See grading information below for BB).
What is D grade plywood used for?
Plywood Grades C & D You’ll see more repaired knots and voids on a sheet, and some defects will be left as is. This type of plywood grade is a good choice for projects where you will ultimately cover the plywood panel with some other type of cover material – like a smoother MDF sheet.
