How To Waterproof Plywood Edges. Many types of waterproofing are available to protect plywood. Lightly sand the plywood with 180 grit sandpaper, clean off any sawdust, and apply the finish with a brush or by pouring the finish on if using epoxy.
The application of drying oil on your plywood keeps the lumber waterproof while keeping the wood’s flexibility. When water is introduced to plywood edges, it can split much faster than it would on the sheet’s surface. Keeping water from standing on top, and keeping the box from sitting in a puddle, goes a long way.
There Are A Number Of Different Types Of Sealants You Could Use To Effectively Waterproof Your Plywood:
Sealing plywood edges is very simple, apply several coats of waterproofing with a brush. He laid a sheet of aluminum over the top, folded over the edges, and tacked it down about 1.5 below the edge. Can you make plywood waterproof?
Edges Will Soak Up More Sealant Than The Surface So Youll Need More Per Inch.
To seal the plywood edges, you need to sand it first to remove any dirt and uneven surfaces. And if you’re putting your plywood outdoors, it’s also really easy to waterproof! Since marine plywood is typically used underwater, you’ll need to treat every surface of the wood with sealant.
Don’t Forget To Apply The Product To The Edges And Corners, As These Areas Are More Susceptible To Water Penetration.
Ejj ejj , jun 18, 2008 Allow each coat to dry before you apply the next. For this reason it’s very important to seal and waterproof them.
The Edges Are An Easy Way For Water To Get Directly In Between The Plywood Veneer Sheets.
After that, let the epoxy sealer dry for 10 to 12 hours before using the plywood. Particular attention is given to the edges, as they offer exposed end grain which will naturally wick up water. This banding is probably the most common method of covering curved cuts in plywood, as the banding is flexible enough to adhere to all but the tightest curves.
Your Home Center Or Hardware Store Typically Sells Laminated Edge Banding That Can Be Glued To The Edges Of The Plywood.
You can also apply another coating for better sealing. Yes i think owatrol is the marmite of the boat world. When water is absorbed into the plywood edge it can damage the wood much faster.