How To Seal Around A Chimney On A Metal Roof

Leaks around fireplace chimneys are common and can be hard to identify the source.

How to seal around a chimney on a metal roof. Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. Along the edges or closer if necessary to flatten the metal. Drill a small hole in this spot to mark the chimney s center. When installing a chimney for a wood stove on a metal roof you ll first need to assess the position.

Panels above the chimney should be removed. Water test the roof at the area of the chimney using a garden hose. Chimney roof leaks are usually caused by gaps or cracks between the metal flashing used to join the chimney to the roof and the chimney. The 1 000 or so that you will have to spend to hire a professional and pay for the materials required will rid you of worries for over a decade.

Slide the prebent and soldered chimney saddle into place behind the chimney. Nail it to the roof along the top edge. A silent movie about flashing a metal roof into a brick chimney from unioncorrugating. Trim panels to fit around the chimney.

Galvanized roofing nails about every 6 in. Bend legs up the chimney sides about 1 inch. 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. Seal the sides of the chimney with prebent pieces of step flashing under each course of shingles photos 4 and 5.

Chimney pipes on metal roofs must be flashed in order to create a watertight seal around the pipe and prevent leaks through the roof. Even if you are not comfortable with climbing up to the roof and doing it yourself it makes more economic sense to hire a professional to do the sealing than to leave the chimney unattended. Most often when a chimney leaks the leak originates in that spot. Applying roofing cement to gaps between metal flashing and the chimney.

Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling.