Waterproofing admixture for repointing.
A waterproofing admixture that is diluted with water. Can be added as a gauging solution to sand:cement or sand:lime repointing mixtures.
Product appears as a white/ milky liquid. Should be applied to the raked-out joint using a suitable pointing iron or repointing gun.
Z21/180 Admixtures for site made cement gauged mortars
Stormdry Repointing Additive No.1
Standard product features
One 500 ml bottle will provide sufficient mortar to repoint an area of approximately 5 m² of masonry.