IET Forums - Bonding structural steel with painted joints- hilti bit stuck in concrete joint on roof ,1/6/2007· Hi. I'm after some guidance regarding bonding structural steel which is painted with a primer before assembly. These joints may not have good electrical conductivity due to the paint but then again may have by the time holes are drilled through and bolts tightened. I have abuding to do which would literally have maybe have 150 joints like this!!Firestop for Construction Joints - Hilti USAThe fast curing properties and low slump formulation of Hilti's silicone joint sprays combine to improve productivity, help ensure consistent spray coverage, reduce risk of water damage, reduce tack time, and limit vertical run. Learn more about quick cure sealants
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