That is it s not waterproof.
Marine plywood for open porch floor.
Marine grade plywood is similar to standard exterior grade plywood but its core consists of knot free sheets eliminating the possibility of the formation of water pockets within the structure.
Voids are traps for water and will rot the product from the inside out.
Its exposure durability rating is exterior and the glue used is a water resistant structural adhesive.
Marine plywood is often used to build boat interiors and to replace flooring during boat renovations.
Repairs to the core plies are very few for this same reason.
Pressure treated plywood usually has a greenish hue and a slightly oily surface.
If you cut into the plywood you will see spaces between the layers.
Better grades also tend to be lightweight strong and virtually free of defects.
Douglas fir ab marine plywood has been sanded and can either be painted or stained to match your home decor.
If your porch is enclosed you might also consider covering the floor with plywood.
Marine plywood is seven to eight layers thick and the epoxy used to bind the layers is waterproof.
Ohc s marine grade plywood meets bs 1088 specifications which is the highest standard.
It is a good quality hardwood plywood made with waterproof glue but since it s not treated with chemicals it is not rot resistant.
While this list isn t exhaustive these are just soome of the wooden porch flooring options for you to take a closer look at.
Weather and boil proof wbp glue must be used as well.
Additional wood porch flooring options.
Roseburg s ab marine panel is a marine grade plywood that is produced entirely of group 1 species of veneer.
Even if your porch is covered you may still discover your plywood porch floor warping and buckling if the area underneath it is moist or humid.
Painting the undersides and edges of the sheets.
On top of that the plywood itself is treated with a waterproof sealer.
When covered with two coats of floor paint it provides a uniform low maintenance surface that stands up to.
Marine plywood is a great sheet material that can be easily cut using both hand saws and basic power tools.
These british standards require that the plywood be made from untreated tropical hardwood veneers that have a stated level of resistance to fungal growth.
Wood is still one of the preferred flooring materials for a porch despite their inherent need for maintenance when exposed to the elements.