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Mapeguard 2

3-in-1 Membrane for Crack Isolation, Waterproofing and Sound Reduction

Mapeguard 2 is a next-generation, flexible, thin, 40-mil (1-mm) lightweight, load-bearing, fabric-reinforced “peel-and-stick” crack-isolation, waterproofing and vapor-control membrane. Mapeguard 2 helps to prevent existing or future in-plane floor cracks (with movement up to 3/8" [10 mm] wide) from transmitting through grout, ceramic tile and natural stone. It also reduces the transmission of impact sound (footsteps, dropped objects, etc.) and airborne sound (voice, TV, etc.) through floors when installed under ceramic tile, stone or wood floor coverings.

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Mapeguard 2 is part of the lines:

Floor Covering Installation Systems - Sound-Reduction Products

Tile & Stone Installation Systems - Surface-Preparation Products - Crack Isolation and Sound Reduction

Products for Wood Flooring - Wood-Flooring Installation Accessories

FAQs

Can Mapeguard 2 be used as a waterproofer, as well as for sound control and for uncoupling?

Yes, it can be used for sound reduction, crack isolation, waterproofing and vapor management. However, when using Mapeguard 2 for vapor management, do not use MAPEI SM Primer or MAPEI SM Primer Fast; instead, use MAPEI HM Primer. If there are seams, the use of Mapetape BB tape is also necessary for waterproofing and vapor management.

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Can I use Mapeguard 2 over oriented strand board (OSB)?

Yes, with these limitations: Tile must be installed per installation standards published in the most current TCNA Handbook, ANSI 108 specification. If the OSB is weather-beaten or delaminated, it must be properly overlaid with a cement backer unit or an additional layer of subfloor.

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Can Mapeguard 2 be installed over a heated floor?

Yes, however, do not use with radiant floor-heating systems that exceed 104°F (40°C).

Can I install LVP/LVT over Mapeguard 2?

No, but we recommend using Mapesonic RM 2 (2 mm) for sound control under LVT.

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Mapeguard 2