How To Seal Chimney On Metal Roof

Now pour the water repellent sealer into the low pressure sprayer and spray it evenly all over the chimney.

How to seal chimney on metal roof. Slide the rubber boot over the. Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling. When installing a chimney for a wood stove on a metal roof you ll first need to assess the position. Drill a small hole in this spot to mark the chimney s center.

Fold closure 90 degrees and. 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. Some of the repellents will drip down.

How to flash a chimney pipe on a corrugated steel roof. Using a compass draw out the chimney s diameter. You have to start from the bottom and spray the sealant on the bricks evenly. 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.

You can place a tarp over your chimney until the cement is dry but it s not really necessary. Apply a generous bead of roofing sealant around the base of the pipe with the caulking. Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. Apply butyl tape to the underside of the closure.

Remember that all chimney flashings need to be masked off prior to applying the sealer. Bend legs up the chimney sides about 1 inch. 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. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.

Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe. Sweep the metal roofing sheets of all dirt and debris with a push broom. Trim panels to fit around the chimney.