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. You might be responsible for managing a commercial or industrial property that has a standing seam metal roof system. Designed to stay soft and flexible they ensure a positive seal when jointing roof or wall panels. Leaking metal roof stack sealed on a standing seam roof. Butyl caulk tape is installed at the fastener bolt nut while at the same time allowing the drain channels to continue to flow.

Position the tape with the release backing on the. Non skinning non drying butyl sealants are the primary sealant in standing seam roofs and the joints of insulated metal panels. Step 2 insert a tube of butyl caulking into a caulk gun and snip the end off using sharp scissors. Lay 3 inch wide butyl tape over all vertical metal.

How to seal between metal roofing sheets 1. Metal roof systems represent a significant portion of the overall roofing systems in the united states. Sweep the metal roofing sheets of all dirt and debris with a push broom. Walk to one end of the roof and locate the seam where the first row of panels overlap the second row.

Lay 6 inch wide butyl tape over all horizontally lapping end seams.