Polymer Modified Crack Isolation Mortars
1Flex® 1/4" Crack Isolation Mortar
Tile setting mortar that also functions as a 1/4" crack isolation membrane. Also designed for the installation of tile directly over plywood/OSB with joist spacing up to 24" o.c. as part of the TEC® Single Layer Floor System. For use over plywood, cementitious surfaces and other substrates.
- One-step crack isolation and tile setting.
- Superior bond strength.
- Isolates horizontal movement of cracks up to 1/4".
- Exceeds ANSI A118.4, A118.11 and A118.15 specifications
- Provides 50 lbs. of coverage in a 35 lb. bag.
- Contains 1% pre-consumer recycled content and zero VOC.
- Available in 35 lb. bags.

Conforms with LEED v4 low emitting interiors.
Compliant with (CDPH) Standard Method v1.2 VOC Emissions.
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1Flex® 1/4" Crack Isolation Mortar