Mapei Ultraplan 1 Plus High-Performance Quick-Setting Self-Leveling Underlayment kerdi-drain Surfaces must be structurally sound

Surfaces must be structurally sound

Same KERDI-DRAIN-A adaptor flange that converts standard clamping ring drains for use with Schluter's full waterproofing system — just more of them

Its diamond-grit cutting edge resists wear for faster cuts with less dust and chipping

VCT (vinyl composition tile)

and doesn't read as a trend that dates in three years

Mapei Ultraplan 1 Plus High-Performance Quick-Setting Self-Leveling Underlayment kerdi-drain Surfaces must be structurally soundSetting tile? Ultraplan 1 Plus High Performance Quick Setting Self Leveling Underlayment is the thinset that goes between your tile and the substrate. Polymer modified for proper bond strength on porcelain, ceramic, and natural stone. Use under tile from 2 to 3 thickness.