Description
Key Features
- For interior or exterior installations in conjunction with Schluter-DITRA and Schluter-KERDI uncoupling and waterproofing membranes
- Exceeds ANSI A118.1 when mixed with water
- Recommended for use with porcelain and large format tiles over uncoupling membranes
Description
Bostik Ditra-Set is composed of select, proprietary chemicals, carefully graded aggregates and purified cements. It provides outstanding workability, excellent durability, significant leveling characteristics and superior bond strengths in interior and exterior applications when used in conjunction with the Schluter-DITRA uncoupling membrane and Schluter-KERDI waterproofing membrane. Use Bostik Ditra-Set to install the membranes over substrates approved by Schluter-Systems and to set ceramic, porcelain, and stone tile over Schluter-DITRA and Schluter-KERDI.
Application
Temperatures must be between 50°F (10°C) – 100°F (0°C) during installation.
Schluter-DITRA Installation: For plywood substrates, mix with Bostik 425 Multi-Purpose Acrylic Admixture or Bostik Flex-a-Lastic Admixture. Apply a thin coat of Bostik Ditra-Set to the substrate with the flat edge of trowel to achieve a good mechanical bond to the substrate. Comb additional mortar with a 1/4″ x 3/16″ or 5/16″ x 5/16″ V-notched trowel. Apply mortar to an area no greater than to which Schluter-DITRA can be installed in 20 to 30 minutes. If any evidence of skinning or setting occurs, remove and replace with fresh mortar. Apply DITRA to the floor, fleece side down. Work DITRA into the mortar, using a float or screed trowel in such a way that the fleece of the DITRA is solidly embedded in the bonding mortar throughout its entire surface. Periodically, lift up a corner of the DITRA to check the fleece for full coverage.
Schluter-KERDI Installation: For drywall, cement backer board, concrete, or masonry substrates, mix with water only. Apply a thin coat of Bostik Ditra-Set to the substrate with the flat edge of trowel to achieve a good mechanical bond to the substrate. Comb additional mortar with a 1/4″ x 3/16″ V-notched trowel. Apply mortar to an area no greater than to which Schluter-KERDI can be installed in 20 to 30 minutes. If any evidence of skinning or setting occurs, remove and replace with fresh mortar. Apply KERDI to the substrate and work the membrane into the mortar with the flat side of the trowel to ensure proper adhesion and to remove air pockets. Periodically, lift up a corner of the KERDI to check the fleece for full coverage.
Recommended Trowels
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