Merkrete 820 Dustless Merlite Gray is a premium‑grade, polymer‑modified mortar engineered for installing large and heavy tile (LHT) and natural stone in both interior and exterior applications. Its dustless formula improves jobsite cleanliness, while its high‑performance blend provides exceptional support under oversized tile formats. Designed for thicknesses from 3/32" to 3/4", it delivers superior bond strength, extended coverage, and reliable handling across demanding installations.
Key Features
Premium polymer‑modified LHT mortar for large and heavy tile and natural stone
Dustless technology for a cleaner, healthier installation environment
Supports 3/32" to 3/4" thickness for exceptional bedding and leveling
Up to 40% more coverage per pound compared to standard 50‑lb thinsets
Contains up to 25% post‑consumer recycled content contributing to LEED® credits
Meets or exceeds ANSI A118.15TE, A118.4TE, and A118.11 when mixed with water
Where It Performs Best
Merkrete 820 Dustless Merlite Gray excels in large‑format floor and wall installations, stone applications, and high‑demand residential or commercial settings. Its strength and workability make it ideal for 24"x48" porcelain, natural stone panels, and heavy tile assemblies requiring stable, high‑performance support.
A premium, dust‑reduced LHT mortar built for modern large‑format tile installations with cleaner handling and superior coverage.
