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Tag: correct installation of fire batt

Bitesized CPD – Fire batt installation

Fire batt installation to a rectangular damper. Here is how not to do it! Defects: 1. Small pieces instead of single batt. 2. Perimeters of batt not coated with ablative paste. 3. Raw edges visible. 4. Incorrectly applied intumescent mastic.   Fire batt is a high density mineral fibre board […]