Gravel-Lok - Clear Color - Stone Binder - 1 Gallon Window Well Extension Polypropylene is stable within the

Polypropylene is stable within the pH range of 2 to 13

Basement window wells are now required in all basement living spaces per the International Residential Code (IRC) for use in emergency situations

Looking for a heavy-duty grid-type paver base option

The perforated core allows water collection from all sides and provides a continuous flow path to designated drainage exits

This fabric resists ultraviolet deterioration

Gravel-Lok - Clear Color - Stone Binder - 1 Gallon Window Well Extension Polypropylene is stable within theGravel Lok is a gravel binding liquid specifically designed to bond aggregates together. Additionally, the finished surface is permeable allowing water to pass through. Gravel Lok can be used in residential, commercial and industrial applications.