Roof Headwall Flashing

Batten seam roof at wall.

Roof headwall flashing.

Galvanized steel is a trusted low maintenance product that is known for durability. All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc. On metal roofing systems a headwall flashing is designed to hook on the j channel or z channel and extend up behind the wall exterior while in shingle and slate roof the headwall sits on the first. The flashing of the head of a batten seam roof at a wall is shown in this detail.

A critical component of step flashings along the run of the roof slope is a kick out flashing. Don t mistake this condition for headwall flashing routed beneath the shingles and call it a defect. Gibraltar end wall flashing can be used with most metal roofing profiles. Flashing should overlap the roof covering material but on asphalt shingle roofs for aesthetic reasons the part of the headwall flashing that extends down over asphalt shingles is often covered with a course of shingle tabs.

There have always been problems with the flashing details at head walls rake walls and chimneys especially if stucco brick or stone veneer is used. Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require. The kick out flashing directs water away from the adjoining wall and ensures that the step flashing is not concentrating water on the surface of that wall. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.

A headwall is defined by the junction between a sloped roof and a wall. The bottom leg of the step flashing is placed over the roof drainage plane. Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of. Copper flashing is locked into this edge and extends at least 8 up the wall.

Open valleys have metal flashing to protect this critical area of the roof. Roof to wall flashing. The gibraltar building products l flashing protects your home the gibraltar building products l flashing protects your home from moisture infiltration where your wall meets your roof. Provides a professional finish and protection against the elements when installed with appropriate.

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Flashing this area of a roof correctly is very important to avoid leaks. L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten.