1. Clean the floor of all debris.
2. Mix latex modified thinset and spread on plywood with 1/4'' to 3/8''
3. Cut and place backerboard on thinset.
4. Use 1 1/4'' to 1 1/2'' roofing nails every 6 to 8 inches to secure board.
5. Tape all seams using 2'' fiberglass mesh tape.
6. Determine layout and patterns.
7. Tile can then be installed using a 1/4'' square notched trowel or larger. It
is recommended that you use a latex-modified thinset.
8. Grout after 24 hours.
What Sub-Floor Should I Use For Tile Floors On Plywood?
The main types of sub-floor used today most often for tile on plywood floors include the
3/4" dry pack with wire lath and tar paper
1/2" cement or fiber board
3/8" self-leveling cement
1/4" cement or fiberboard
The most versatile sub-floor used commonly today by do it yourself homeowners would
be the 1/4" or 1/2" cement or fiber board. It can be cut with a utility blade or diamond
blade grinder. For a solid tile substrate install the tile backer board the following way:
Warning: Do not use thinset mortars that are sold pre-mixed in sealed buckets for
any tile project. It doesn't cure at a reasonable rate or strength. Do not use tile glue
or adhesives on floor tile or sub-floors.
2011. Touchdown Tile is a Minnesota tile company. All rights reserved. All pictures of installed tile are Touchdown Tile installations.