Metal Roof Dormer Flashing Details

See more ideas about dormers loft conversion dormer windows. Roof pitch the metal roofing panels shown in this manual require a mini. The irc requires that metal flashing be corrosion resistant and have a minimum thickness of 0 019 in.

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At the gable edge use a gable or sidewall flashing.

Metal roof dormer flashing details.

Some unfinished aluminum sold as flashing doesn t meet the thickness requirement and is more prone to corrosion than coated aluminum. Its unique elongation capacity and flexibility guarantees that it can be formed to fit irregular shapes and surfaces with no need for mechanical fastening torch or extra adhesives. This will keep weather out prevent lifting in high winds and provide a neat finished appearance. The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.

The first piece of step flashing should turn the corner and extend over the base flashing. This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance. Lay a bead of roofing cement along the top of the shingle course just below the dormer and bed the base flashing into it. Cover the membrane with a metal closure flashing.

In this video mark shows you how to navigate around a dormer by creating the proper apron flashing out of coil stock and how to trim the sidewall flashing f. 6 at the top roll the roof underlayment up onto the soffit and use peel and stick to seal the roof soffit connection. This detail illustrates the first method described above using individual copper flashing squares woven between the shingles tile or slate. The joint between the copper apron and base flashing is soldered.

Repeat shingle step flashing shingle step flashing all the way up both sides of the dormer. The flashing extends at least 4 onto the roof and 8 up the wall. It is an ideal solution for permanently sealing flashing details on metal roofs of any type saving time and labour with a superior performance that will last as long as the roof. Again fasten only to the roof with a nail through the flashing and the shingle.

To provide a drip edge allow an overhang of 1 to 2 inches at the eave. The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. At the gable edge use a gable or sidewall flashing. Aug 23 2016 explore kevin leary s board dormer construction details on pinterest.

Dormer to roof junction. Nail it through the shingle into the roof to avoid wood movement problems between roof and wall.