Phases / Phase 05 of 05 · 19 cards
Before tile + floors
Waterproofing, backer board and floor prep that go under the finish you see.
BathroomsFree7
Waterproofing
Bathroom services and systems
- membrane under tile in wet areas
- tile and grout are not waterproof
Where to waterproof
Waterproofing in bathrooms
- shower walls: full height (code: nonabsorbent finish to at least 6 ft)
- the entire shower floor
- tub walls with a shower head
Critical details
Waterproofing in bathrooms
- floor-to-wall corners
- pipe and valve penetrations
- drain connection
Flood test
Waterproofing in bathrooms
- plug the drain, fill toward the curb
- wait 24 hours, check below (code minimum is 15 minutes)
- before any tile goes down
Shower floor slope
Drainage, floor slope and traps
- ¼″ per foot minimum
- ½″ per foot maximum (code)
- use smaller tiles on a center drain
Kitchen, Bathroom and Stairs are open to everyone. The rest are in the full fieldbook.
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