Type 1

Premium Tile Adhesive

Type 1 is a premium-grade, traditional, nonflammable, acrylic adhesive for setting glazed and unglazed ceramic and porcelain tiles on walls, floors and countertops. This adhesive is used for interior applications only.

D1TE

Technical Data Sheet

Safety Data Sheet

FAQs

FAQ
Can I use mastic or a premixed tile adhesive over Mapelastic® AquaDefense?

Ready-to-use tile adhesives, such as MAPEI's Type 1™ mastic and Premium Mortar for tile and stone, require a porous substrate to cure properly. They should not be installed over waterproofing membranes.

FAQ
Can I apply Type 1™ mastic over a waterproofing membrane?

Ready-to-use tile adhesives, such as MAPEI's Type 1, require a porous substrate to cure properly. They should not be installed over a waterproofing membrane.

FAQ
Can Type 1™ mastic be used over cement board?

Yes, MAPEI's Type 1 can be used to set tile over cement board and fiber cement board.

FAQ
Can Type 1™ mastic be used over drywall?

Yes, MAPEI's Type 1 can be used to set tile over clean drywall. All areas with wall mud (gypsum-based patching compounds) must be primed with MAPEI's Primer T™ before application of Type 1.

FAQ
Is there a limit for the tile size?

The maximum size of a tile for use with Type 1™ is 6" x 6" (15 x 15 cm) on floors and 12" x 12" (30 x 30 cm) on walls.

FAQ
Can I use Type 1™ mastic with a radiant-heat flooring system?

MAPEI's Type 1 should not be used with radiant-heat flooring systems. Polymer-modified, cement-based mortars, such as MAPEI's Large Tile & Stone Mortar, are generally recommended for installing tile over radiant-heat systems. Refer to the written instructions of the radiant-heat manufacturer for recommendations of cement-based mortars.

FAQ
Can Type 1™ mastic be used outside?

MAPEI's Type 1 should not be used for exterior installations. Polymer-modified, cement-based mortars generally recommended for installing tile outside include MAPEI's Large Tile & Stone Mortar and MAPEI's Uncoupling Membrane Mortar mixed with MAPEI's Polymer Additive.

FAQ
Can Type 1™ mastic be used in a pool?

MAPEI's Type 1 should not be used in any exterior application, including submerged installations such as swimming pools. Use MAPEI's Adesilex™ P10 Mosaic & Glass Tile Mortar mixed with MAPEI's Polymer Additive.

FAQ
Can Type 1™ mastic also be used as a grout?

MAPEI's Type 1 should not be used as grout. For convenience, MAPEI offers MAPEI Flexcolor® CQ, which is a ready-to-use (premixed) grout.

FAQ
Can Type 1™ mastic be used under cement board?

MAPEI's Type 1 should not be used under cement board. Refer to the cement-board manufacturer's written installation instructions for cement-based mortar recommendations. If the cement-board manufacturer recommends a polymer-modified mortar, MAPEI recommends Porcelain Tile Mortar. If the cement-board manufacturer recommends a non-modified mortar, MAPEI recommends Uncoupling Membrane Mortar.