How To Seal A Metal Roof Around A Chimney

Chimney pipes on metal roofs must be flashed in order to create a watertight seal around the pipe and prevent leaks through the roof.

How to seal a metal roof around a chimney.

The flashing can be installed quickly and easily with kits that use rubber pipe boots. Slide the prebent and soldered chimney saddle into place behind the chimney. Seal the sides of the chimney with prebent pieces of step flashing under each course of shingles photos 4 and 5. Along the edges or closer if necessary to flatten the metal.

Chimney flashing is the layer of sheet metal that connects the roof to the chimney it is designed to be the seal that prevents water from entering your home by running down the chimney. Trim panels to fit around the chimney. Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling. The metal i m using is called crinkle black i purchased all my materials at h.

Galvanized roofing nails about every 6 in. Bend legs up the chimney sides about 1 inch. Nail it to the roof along the top edge. The rubber boot is trimmed to fit around the pipe and then secured to the roof with screws and sealant.

Steel roofing is great but can bring on new problems. Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. Most often when a chimney leaks the leak originates in that spot. In this video i cover installing a roof boot for a vent pipe in a metal roof.

Water test the roof at the area of the chimney using a garden hose. Panels above the chimney should be removed. When installing a chimney for a wood stove on a metal roof you ll first need to assess the position. To do this ask an assistant to observe the area of the ceiling near the chimney and run water along the sealed gaps of the.