How To Seal Chimney On Metal Roof

Panels above the chimney should be removed.

How to seal chimney on metal roof.

A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. Apply butyl tape to the underside of the closure. Now pour the water repellent sealer into the low pressure sprayer and spray it evenly all over the chimney. Trim the flashing in the center of the rubber boot with a roofing knife so it fits snugly around the pipe.

Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. Drill a small hole in this spot to mark the chimney s center. Remember that all chimney flashings need to be masked off prior to applying the sealer. Using a compass draw out the chimney s diameter.

Trim panels to fit around the chimney. Bend legs up the chimney sides about 1 inch. 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.

When installing a chimney for a wood stove on a metal roof you ll first need to assess the position. Position the tape with the release backing on the top. 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.

2 lay 6 inch wide butyl tape over all horizontally lapping end seams. Slide the rubber boot over the. You can place a tarp over your chimney until the cement is dry but it s not really necessary. Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling.

These are adhesive backed foam strips that conform to the profile of the metal roofing see illustration below. Fold closure 90 degrees and. Some of the repellents will drip down.