Single-Component, Fluid-Applied Elastomeric Waterproofing Membrane 

Based on the description, is TREMprime 500 a water-based primer suitable for cold-applied membranes, and can it be used only on porous substrates?

No. It is a solvent-based, modified bituminous primer designed for hot-applied asphaltic membranes and is suitable for both porous and non-porous substrates.

Seamless, monolithic waterproofing

Fast cure for quicker backfilling

Excellent adhesion to concrete substrates

Performs in damp and submerged conditions

Spray, roller, or squeegee application