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Natural Stone and Tile Minneapolis and St. Paul Minnesota Tile

TEC Products > Surface Preparation


Proper preparation of substrates is the foundation of success for every flooring application. Cracks, water penetration, irregular surfaces and a host of other substrate deficiencies can undermine the appearance and performance of your floor. 

TEC's latest advancments in surface preparation products ensure your tile or stone floor system will provide optimal performance. 

Whether you need patching, leveling, smoothing, crack isolation, waterproofing or sound control, TEC has a solution that addresses your projects' needs.


HydraFlex™ Waterproofing Crack Isolation Membrane

Ready-to-use, flexible, mold and mildew resistant waterproofing crack isolation membrane for interior and exterior applications. Forms a smooth, monolithic, watertight surface over walls, floors and ceilings. HydraFlex™ Membrane stops in-plane cracks in the substrate up to 1/4" (6 mm) from transferring through the tile or stone. For residential to extra heavy commercial applications.


Primer and Patch Additive

Dual-purpose concentrated acrylic latex used as a primer prior to the installation of many TEC brand underlayments and floor preparation products. Used as an additive for TEC brand patch products. See TEC patch product descriptions for more information.

tec setting materials

Smooth Start™ Self Leveling Underlayment

Smooth Start Self Leveling Underlayment is a cement-based, pourable, pumpable and free flowing underlayment. It is designed for smoothing and leveling most subfloors from featheredge up to 1" (37 mm) thickness in a single application and up to 5" (12.5 cm) with the addition of proper aggregate. For interior use only. Smooth Start provides superior mixing and flowing characteristics, coupled with high compressive strengths. Fast-setting Smooth Start dries to a level, walkable surface in 2 to 4 hours. The resulting smooth, non-cracking finish is ideal for the installation of all types of floor coverings, including ceramic or natural stone tile, carpet, resilient and wood flooring.