How To Seal A Metal Roof Seam

Designed to stay soft and flexible they ensure a positive seal when jointing roof or wall panels.

How to seal a metal roof seam.

The expansion and contraction on this standing seam metal roof caused an expansion in the fastener holes. Leaking metal roof stack sealed on a standing seam roof. Position the tape with the release backing on the. Sweep the metal roofing sheets of all dirt and debris with a push broom.

They should exhibit a non stringy consistency with easy cut off characteristics for clean application. Lay 6 inch wide butyl tape over all horizontally lapping end seams. Metal roof systems represent a significant portion of the overall roofing systems in the united states. Butyl caulk tape is installed at the fastener bolt nut while at the same time allowing the drain channels to continue to flow.

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. Walk to one end of the roof and locate the seam where the first row of panels overlap the second row. How to seal between metal roofing sheets 1.

Apply a 1 4 inch wide bead of caulk over the seam where the two panels overlap.