Fold closure 90 degrees and.
How to seal chimney on metal roof.
Cut two opposing 45 degree notches into z closure to allow a 90 degree bend.
Remember that all chimney flashings need to be masked off prior to applying the sealer.
Apply a generous bead of roofing sealant around the base of the pipe with the caulking.
Using a compass draw out the chimney s diameter.
Trim panels to fit around the chimney.
Now pour the water repellent sealer into the low pressure sprayer and spray it evenly all over the chimney.
Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling.
Either way will be effective as long as the flashing cement is thick enough.
2 lay 6 inch wide butyl tape over all horizontally lapping end seams.
Sweep the metal roofing sheets of all dirt and debris with a push broom.
How to flash a chimney pipe on a corrugated steel roof.
You can place a tarp over your chimney until the cement is dry but it s not really necessary.
Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe.
Panels above the chimney should be removed.
You have to start from the bottom and spray the sealant on the bricks evenly.
Slide the rubber boot over the.
These are adhesive backed foam strips that conform to the profile of the metal roofing see illustration below.
A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.
You can spread a layer over the edges of the flashing where each edge meets the roof and chimney or you can coat the entire area.
Bend legs up the chimney sides about 1 inch.
Position the tape with the release backing on the top.
Drill a small hole in this spot to mark the chimney s center.
Fill the areas where the base flashing spans the flat portion of the roofing profile with the same closure strips that are used to seal off the metal ridge caps.
