How To Flash A Chimney On A Metal Roof. Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim. Secure a shingle over the corner flashing using a hammer and roofing nail.
Hammer 2 roofing nails into the flashing and roof. Now you take the upturned leg of the panflashing and fix that to the chimney with masonry. Then, cut along the center fold and remove the resulting triangle.
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According To The Chimney Manufacturers Recommendations, Install The Chimney Into The Stove.
First, fasten the lower sheet of roofing in place alongside the chimney, then install the base flashings at the bottom and sides of the chimney. Secure a shingle over the corner flashing using a hammer and roofing nail. Now you take the upturned leg of the panflashing and fix that to the chimney with masonry.
Then, Cut Along The Center Fold And Remove The Resulting Triangle.
Use pancake head screws to put this in place. Rivet the sidewall flashing to the pan flashing. Any penetration in a metal roof offers the potential for leaks if it is not flashed properly, and a chimney is no different.
Hammer 2 Roofing Nails Into The Flashing And Roof.
Apply sealant to sidewall flashing where pan flashing tabs will overlap. Apply sealant on exposed edges and corners of the roofing panels as well as over any penetrations such as valleys and hips; Put some butyl sealant on an offset cleat and then fix the cleat six inches from the base of the chimney.
Place A Small Drop Of Caulk Where The Roof And Chimney Meet At The Chimney Corner.
The curb is made of welded aluminum and gives superior lifetime. If you install a number of flashing segments, you need to overlap these segments at about 4 to 6 inches from the previous sheet to prevent gaps. This will allow you to bend the step flashing around the corner cleanly.
Using Caulk, Fix The Flashing In Place.
Pan flashing should extend at least 12 inches up the roof plane. Whether you are building a new structure or repairing an existing wall, flashing the metal roof to the surface is easy if you follow these three simple steps: Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim.