What is the difference between treated plywood and marine plywood

This product is lightweight, yet stiff and long-lasting. Preservatives are added to the surface of the wood, which penetrates deeply into the wood layers. These preservatives offer protection against decay as well as termite invasion. Once you have installed this treated plywood, you can paint it like you can paint the untreated one.

Treated plywood is created using softer wood compared to the marine plywood, softwoods allow for excellent absorption of the chemicals which are responsible for the protection against mold and fungi. With time, the chances of chemicals present in the marine plywood can leach to the areas around it, one way of minimizing leaching is by sealing the surface of this wood using varnish or paint.

Generally, you should add as many coats of a sealant as there are the layers of the plywood. If, for example, your plywood has 6 layers of wood, ensure that you add 6 layers of sealant. The marine-grade plywood, commonly referred to as marine plywood, is not waterproof as many people often claim.

This wood is not treated using chemicals and not rot-resistant as well. However, this wood is a good-quality, hardwood plywood created with waterproof glue. Marine plywood is a wood type created specifically for usage in areas with high humidity levels. One unique thing about this type of wood is that it can resist water and moisture on its own.

Even so, the material components of this wood are not sufficient to block all moisture from entering into the wood. Here are the necessary steps that you need to follow when sealing marine plywood:. You will need the following items as you look to stain your marine plywood:.

The first thing you should do is wipe the surface of the marine plywood using paper towels or soft cloth that you have dipped in acetone. This process helps with the removal of other contaminants from the surface of the wood even as you prepare it for sealing. Give the acetone some time to dry before you can move to the next step. The drying time of acetone is about one to two hours. Use sandpaper and a sanding block to sand the marine plywood. I have been coming here for years.

The staff is always helpful and always gets me what I need. Their advice on how to work on different jobs is always welcome. If you need a fiberglass contractor, please call Chris at His local area is Groton, CT, but is willing to travel for a job. I cannot thank them enough for the technical help I was given to assist me in finishing a project I had. They really were able to help me out. LBI Fiberglass. Marine Plywood Guides 4 Comments. Meranti Marine Plywood. Marine Plywood Assembled gap and void-free in all layers.

Laminated under pressure. Uses special, water-proof glue that holds the layers together. Constructed of harder woods which have a natural water resistance. Stronger and more durable because it has more thinner layers of hardwood. Water has no effect on the glue or the strength of the lamination.

Will not easily delaminate, bubble, buckle, or warp. If cut no voids or gaps will be discovered on the cut edges.

If finished appropriately, will outlast pressure-treated plywood. Pressure Treated Plywood Common plywood that has been pressure treated with chemicals.

This treatment prevents the wood from decaying or rotting. Resorcinol is used to make marine grade plywood marine grade because it is the best waterproof adhesive to waterproof marine grade plywood. Pressure-treated wood is the wood of choice when projects need to be protected from moisture and decay.

Most people use Pressure Treated Plywood for outdoor projects. The chemical is mechanically injected inside the plywood. So that plywood can be saved from termite and insect damage, fungal damage, bacteria weather damage.

While pressure-treated plywood can still be damaged. Polyurethane Glue is used to make Pressure Treated Plywood. It works well in moisture. This glue characteristic makes this product a great choice when assembling projects made from pressure-treated plywood. Nothing better than marine plywood for marine and exterior applications. It is more durable.