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Roofing Assessments

Underground Structure Assessment

Waterproofing Assessment and Design

Window and Curtain Wall Assessment and Design

Life-Cycle Cost Alternative Assessments

Sealant Assessment and Design

Preventing water penetration...

Sealant performance reflects a combination of joint geometry, materials selection and substrate type and preparation. If any of those is improperly designed or constructed, sealants fail and buildings leak.

With the broad range of sealants available, the choice of sealant best for a particular application involves building science expertise as well as construction know-how. Whether the substrate is glass, vinyl, aluminium, concrete, paint or wood, whether the sealant is single-stage or two-stage, GRG has developed effective repair designs to prevent leaks.