When tiling over plywood, it’s best to at all times put down a layer of cement backer board first, which is able to present the mandatory assist for the tile. Listed here are eight vital steps to remember when putting in cement backer board:
- Verify the plywood subfloor for any motion and squeaks. Use 2 inch drywall screws to lock down any bother spots, driving the screws by the plywood and into the ground joists beneath.
- Use a notched trowel to unfold thin-set mortar over the plywood subfloor.
- Lay the cement backer board into the thin-mortar, ensuring to overlap any seams within the plywood subfloor by not less than 4 inches.
- Fasten the backer board utilizing an impression driver and backer board screws; house the screws 4 inches aside across the perimeter of the backer board sheet and eight inches aside throughout the middle.
- Depart a one-eighth inch hole between the backer board sheets and stagger the sheets in order that 4 corners don’t meet at a single intersection.
- Cowl the seams between the backer board sheets with fiberglass mesh tape.
- Unfold a skinny layer of thin-set mortar over the taped joints.
- As soon as the mortared joints have cured, you can begin setting the tile.
