How To Shingle A Roof Around A Chimney

The cricket can be made of shingles and roofing materials or flashed with metal.

How to shingle a roof around a chimney.

And the upper counterflashing. The bent edge should fit around 1 corner of the chimney. Trim panels to fit around the chimney. A typical roof to chimney flashing will consist of two parts.

Installing shingles around the chimney is particularly important as the joins between the surface of the roof and the vertical surface of the chimney creates the ideal place for leaks to occur. This head flashing view from lower on the roof shows it extending beyond the width of the chimney and diverting the runoff around the edges of the masonry chimney. Flashing the area of a chimney with a rubber roof system is very tricky. Damaged or improperly installed roof flashing especially around the chimney or dormer is one of the most common causes of roof leaks.

Bend the clipped flashing around the chimney. Next lay the first full row of shingles so they re directly covering the starter row. Hammer 4 galvanized roofing nails into. Continue laying your shingles horizontally up the roof.

Bend legs up the chimney sides about 1 inch. Use tin snips to clip the flashing at the point where the other side of the chimney lies against the flashing. If you hit a stack vent or chimney interlace the shingles with the flashing to allow water to run down the roof. A silent movie about flashing a metal roof into a brick chimney from unioncorrugating.

Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. Comprised of step tins rubber or some other type of membrane. A piece of metal that is sealed to the chimney surface and covering the top of the step flashing to form a water tight barrier by directing water over and away from the step flashing. Panels above the chimney should be removed.

Instead sealing the chimney crown with a liquid sealant we used a rubber membrane. The flashing on a chimney is one of the biggest reasons for roof leaks. The proper installation of shingles and flashing will prevent leaks from happening saving you the trouble of reinstalling the roof before it is needed. According to the federal emergency management agency fema improper roof flashing could lead to wood rot and even deck collapse.

How to buy chimney flashing making sharp straight bends in sheet metal is tricky unless you have access to a tool called a sheet metal bending brake. Most of the time the metal flashing has to be inserted into a slot into the face of the brick. But below is an image of a masonry chimney with a chimney head. However metal flashing crickets with seams at the apex or within the system are subject to leakage no matter how much sealant is applied.

That part of the flashing is very vulnerable to leaks. The part of the flashing that lies flush with the roof should overlap the roofing shingles.