Some porous surfaces such as concrete or asbestos sheet may need to be primed before applying Calderflex High Build waterproofing. Our one coat solvent based Calderflex primer adheres to porous roof surfaces and dries quickly to form the perfect key for Calderflex High Build.
- Calderflex Roof Primer is available in white only.
- Standard primer tins are 5lt. Drums of 20lt can be supplied to order.
- 1lt of primer will cover up to 10m2 dependent on absorbency.