Dictionary of Moisture Protection & Restoration

Backer rod or backing tape installation A. Problems: Cohesive failure due to incorrect backing materials. Lack of depth consistency. B. Solutions: Prevent three-sided adhesion. Use adaptable packing tools to avoid inconsistent depth of the rod.

Proper installation of backing materials with packer tool. (SWRI)

Mixing, applying, and tooling Problems: Improperly mixed sealants will never cure and so will never provide the physical properties required. Improper selection of gun nozzle. Improper installation. Incorrect tooling. Solutions: Use proper mixing paddles and adequate amount of time. Never use materials beyond their shelf life. Use proper tools and nozzles, proper tooling to

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