How To Seal A Metal Roof Seam

The expansion and contraction on this standing seam metal roof caused an expansion in the fastener holes.

How to seal a metal roof seam.

Position the tape with the release backing on the. Metal roof systems represent a significant portion of the overall roofing systems in the united states. Walk to one end of the roof and locate the seam where the first row of panels overlap the second row. Apply a 1 4 inch wide bead of caulk over the seam where the two panels overlap.

Lay 6 inch wide butyl tape over all horizontally lapping end seams. How to seal between metal roofing sheets 1. Butyl caulk tape is installed at the fastener bolt nut while at the same time allowing the drain channels to continue to flow. They should exhibit a non stringy consistency with easy cut off characteristics for clean application.

Lay 3 inch wide butyl tape over all vertical metal. Leaking metal roof stack sealed on a standing seam roof. Non skinning non drying butyl sealants are the primary sealant in standing seam roofs and the joints of insulated metal panels. Designed to stay soft and flexible they ensure a positive seal when jointing roof or wall panels.

You might be responsible for managing a commercial or industrial property that has a standing seam metal roof system.