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Exterior grade plywood is not waterproof and is not meant to be used as a base for tile in exterior applications. Exterior tile needs to have a cementious type base which will not swell or deteriorate when wet.

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16y ago

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What are the best practices for selecting and using deck plywood for outdoor construction projects?

When selecting deck plywood for outdoor construction projects, it is important to choose a high-quality, pressure-treated plywood that is specifically designed for outdoor use. Look for plywood that is resistant to moisture, rot, and insects. It is also recommended to use a waterproof sealant or paint to protect the plywood from the elements. Additionally, make sure to properly install and secure the plywood to prevent warping or damage over time. Regular maintenance and inspections are also key to ensuring the longevity of the plywood in outdoor settings.


What can you use to waterproof the bilge side of a section of plywood and fiberglass laminated boat deck that is being replaced?

The general practice, is to leave the underside of plywood decking bare, as this allows the wood to breathe, and be able to dry out. When using treated, or marine grade plywood, only one side, usually the top side, is sealed.


How can I effectively waterproof a deck?

To effectively waterproof a deck, you can use a waterproof sealant or stain specifically designed for outdoor use. Make sure to clean and prepare the deck surface properly before applying the sealant, and follow the manufacturer's instructions for application. Regular maintenance and reapplication of the sealant as needed can help keep your deck waterproof and protected from the elements.


How does one waterproof a house deck?

In order to get a waterproof house deck it is important to purchase a good system of waterproofing and drainage. The system has to be installed and maintained correctly.


How can I ensure that the canopy for my deck is waterproof?

To ensure that the canopy for your deck is waterproof, you can use a waterproof fabric or material for the canopy, apply a waterproofing spray or sealant to the canopy, and make sure the canopy is properly installed and secured to prevent water from seeping through.


What are the benefits of using a waterproof deck membrane for outdoor spaces?

Using a waterproof deck membrane for outdoor spaces provides protection against water damage, prolongs the lifespan of the deck, prevents mold and mildew growth, and makes maintenance easier.


How do you waterproof plywood and how much?

You do know they have "Wolmenized or pressure treated plywood", if these are not to your liking, you can use a polyurethane but the edges will be your problem areas, the edges have to be completely sealed, (to do this is time consuming) I wouldn't use a deck sealer, this could delaminate the plywood. If the project is indoors, but in a damp or humid area, you can apply a "Vinyl sealer", 2 coats, and then apply a "Pre-cat Lacquer, 2 to 3 coats. Both these products are available for about $28.00 a gallon, AT: * http://www.hoodfinishing.com/


Decking Material?

form_title= Decking Material form_header= Create your dream deck with help from the pros. What size deck do you want?*= _ [50] Do you want to waterproof your deck?*= () Yes () No What color deck do you want?*= _ [50]


What are the best options for waterproof deck flooring?

The best options for waterproof deck flooring include vinyl, composite, and rubber tiles. These materials are durable, easy to clean, and resistant to water damage, making them ideal for outdoor decks.


How many feet does he need Josh has 58 of a piece of plywood. to finish buildiing his deck he needs five times that amount. how many feet of plywood does he need?

The question cannot be answered without information on the length of the piece of plywood that Josh has.


What type of screws should be used for securing plywood subflooring?

Deck screws or subfloor screws are recommended for securing plywood subflooring. These screws are designed to provide a strong and secure hold, preventing the plywood from shifting or squeaking over time.


How can I ensure that my decks are waterproof?

To ensure that your decks are waterproof, you can use waterproof sealants, coatings, or materials such as vinyl or composite decking. Regularly inspect and maintain your deck to address any potential water damage.