Dictionary of Moisture Protection & Restoration

eliminate voids or bubbles and ensure that the sealants press completely against the sides of joints. Joints should be tooled to a concave finish. Soaps or solvents should never be used in tooling. This will cause improper curing, adhesion failure, or color change.

Proper tooling of joint. (SWRI) Proper mixing, application, and tooling includes: • Recommended temperature ranges, typically 50 to 80 degrees F. • Mixing only complete packages of materials. • Mixing for proper amount of time. • Keeping air out of sealant during mixing. • Using properly sized nozzles and slopes to fill joints. • Tooling by compression, for adequate adhesion. • Avoiding use of soaps or solvents in finishing joints.

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