Custom Building Products has updated its line of surface preparation products in the waterproofing and anti-fracture membrane, self-leveling underlayment, and patching compound and bedding mortar categories.

RedGard Waterproofing and Anti-Fracture Membrane (formerly known as LevelQuik), is the flagship in its product category. In addition, Custom offers Trowel & Seal, a two-part, cement-based system for horizontal and vertical installations.

LevelQuik self-leveling underlayments are cement-based products available in Rapid Setting, Deep Pour and Extended Set formulations to meet a variety of requirements.

Skim Coat & Patch Cement Underlayment is a polymer-modified compound designed to repair surface imperfections on a wide variety of substrates. The product can be mixed with Patching & Leveling Latex Additive.