Can Treated Plywood Be Safely Used For Boat Decking?

Can you use treated plywood in a boat?

Pressure -treated plywood and lumber do a good job for their intended purpose. But for boat repair and building, I would shy away from them. By using WEST SYSTEM Epoxy with marine-grade or non-pressure treated exterior-grade plywood, you can make economical, long-lasting repairs to your boat.

Can you use pressure treated wood for boat decking?

Re: Pressure treated wood in boats- Of course pressure preservative treated wood can be used in boats. It is all the time.

Is pressure treated plywood the same as marine plywood?

Marine plywood is specifically manufactured to stand up to the harsh marine environment. The materials used in in its construction are specifically chosen to assist in making it as water resistant as possible. Pressure treated plywood is usually regular softwood and will absorb moisture very easily.

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Can you use treated plywood in a fiberglass boat?

Treated lumber is done with copper and salt. Most treated lumber is not kiln dried and is wet. You would not want to enclose any wet lumber in fiberglass.

How long will pressure treated plywood last on a boat?

Although waterproof plywood may come at an increased cost, it often is more affordable long-term to use it for your construction projects. Marine grade plywood can last anywhere from ten years to more than twenty-five years, depending on the quality and grade of the plywood and how the plywood is used.

Can plywood be waterproofed?

Many types of waterproofing are available to protect plywood. The most common type sold in home improvement stores is the paint-on or spray-on type of waterproofing. These typically are liquid latex substances applied to the surface of the plywood while wet. Once they dry, they form a plastic, protective layer.

Will pressure-treated wood ruin aluminum?

Two concerns with pressure-treated plywood are that it is heavy, and it contains chemicals that can leech out and cause pitting in aluminum.

How do you protect aluminum from pressure-treated wood?

How to Stop Aluminum Corrosion Caused by Treated Wood

  1. Determine the points of contact between the treated wood and the aluminum.
  2. Use plastic or polymer washers to separate the materials from the fasteners, if it is determined that it is the fasteners that are creating the contact points.

What is the difference between exterior grade plywood and pressure-treated plywood?

Pressure treated plywood has been put through a chemical process that injects preservatives into the wood. Those preservatives help make plywood less susceptible to bugs, mold, and rot. Exterior graded plywood refers to ply sheets that have had their veneers glued together with waterproof glue.

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What can you use instead of marine plywood?

The 9 best marine plywood alternatives are as follows:

  • Fiberboard (Medium Density Board)
  • Exterior Grade Plywood.
  • Fiber Cement Board.
  • Birch Plywood.
  • Ribbon Grain Plywood.
  • Wax Resin Fiberboard.
  • 3M Reinforced Polyurethane Foam Boards.
  • Thermo-Lite Board.

What type of plywood is waterproof?

Oriented strand board (OSB) is an engineered plywood substitute that many builders use for sheathing and roof decking. It’s constructed with waterproof glue and performs best when only semi-exposed to the elements, as it is when covered with siding or roofing.

What is the best marine grade plywood?


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Will SeaDek stick to plywood?

The SeaDek will stick initially, but it will be bumpy and might have adhes… see more. I recommend flattening the area with marine-grade plywood, have the plywood sealed with polyurethane, and then you can adhere the SeaDek to the area.

How thick should plywood be on a boat floor?

“Use a good grade 1/2 to 5/8 plywood (I used 3/4) you should cover the bottom side with fiberglass cloth, make sure you use a 24 to 36 grid pad to rough up the wood before laying your cloth down.

Does pine stick to fiberglass?

Fiberglass resins will not stick to woods that have been treated. They only stick to untreated, clean, dry wood. Redwood is not only usually treated, but it also contains a waxy substance prohibiting adhesion.

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