For below-tile waterproofing sheets, what usually defines an acceptable longitudinal seam audit?
Choices
- (A) Loose butt joints without heat or adhesives
- (B) Manufacturer lap width with welded or bonded seams and consolidation per system data sheet
- (C) General household glue lines
- (D) Intentional vent gaps
Correct answer: (B)
Manufacturer lap width with welded or bonded seams and consolidation per system data sheet
Explanation
Lapped bonded seams block hidden water paths.