penetrating a stone coated steel roof with screws

Guest User
7/1/2005
What is the best way to seal screws that have penetrated a stone coated steel roof system. Can you use sheet metal screws to penetrate the stone coated steel roof? How well would a polyurethane sealer such as Vulkem work bonding to the stone coated steel roof system?
Todd Miller
Isaiah Industries, Inc.
7/5/2005
To the best of my knowledge, the fasteners specified by the manufacturers of these products are self-sealing. You really need to obtain this information from the roofing manufacturer though as they may have differences in their systems but also in their stone coatings and their acrylic overglazes which could affect the answer to this.
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