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Stopgap Red Bag

Self-Smoothing Underlayment


Stopgap Red Bag Powder Mixed with Water

A water mix self-smoothing underlayment. The powder is a protein free blend of sand, cement and organic polymers. When mixed it is designed to produce a smooth dense surface. Suitable for absorbent subfloors and in areas that are biologically sensitive.

Stopgap Red Bag is designed for areas subject to foot and light wheeled traffic and can be used over normal underfloor heating installations. Application can be to a maximum of 6mm unfilled and a minimum of 3mm and it can be smoothed to a feathered-edge. Suitable for filled mixes for greater thickness using Stopgap Graded Aggregate.



Gauging LiquidWater
Subfloor TypeAbsorbent
TraffickingLight-Duty Interior Areas