REQUIREMENT:Permanent resistance to rising damp in mortar courses in all brickwork. Causes no colour change to mortar.
PRODUCT TO USE:CALCLEAR
Clear Dampcourse Admixture
HOW TO SPECIFY:
All damp proof mortar to contain Cementaid CALCLEAR damp resistant admixture at a rate of not less than l litre for each 20kg bag of cement used in the mix. Suggested mix 1 part fresh Portland Cement to 2-3 parts sand.
EFFECTS:Produces a dense, durable mortar proofed against rising ground damp, which outlasts the life of normal brickwork mortar.
All masonry construction at ground level.
INSTRUCTIONS:Use in damp proof mortar with a sand:cement mix of not weaker than 3 to 1. Use no lime in damp proof mortar. In accordance with code requirements sand should be washed free from clay. Fill all mortar courses and perpendiculars.