Pitched Roof Flashing Detail

These systems rely on overlapping elements roofing felts shingles tiles and flashing details to redirect the rainfall.

Pitched roof flashing detail.

Stepped flashing is used where a sloped shingled roof intersects a vertical wall. Section 4 roof wall intersections build supplement flashings 81 roof junction detail getting flashings right between a tight area such as the main gable of a building and the ridge of a smaller gable can be difficult. This detail illustrates a sloped roof terminating into a higher masonry veneer wall. Roof detail pitched roof to high wall.

The veneer is supported below the roof by cmu or other supporting structure. Variations to common side abutment details the traditional material for step and cover flashings secret gutter and soakers is lead usually code 4 or code 5 for exposed flashings and code 3 for soakers. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. Two ways to flash roof edges.

One common method is to lay the edge metal under the eaves membrane and over the rake. These short pieces of masonry flashings terminate outside the face of the masonry with a drip edge that also. Details concrete masonry roofing wrb flashing. The flashing extends up the wall at least 4.

This drip edge flashing provides protection from water damage along the eaves and rake of a roof. The metal flashing is formed with a hook edge and cleated on 12 centers. Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels. Above the roof a series of short masonry flashing components4 are mechanically fastened to the backup wall using a termination bar with continuous sealant5 along the top.

Horizontal flashings should provide weathering to a minimum of 75mm above the intersection with the roof. The extra kick at the bottom of the face directs run off away from the structure. Common pitched roof systems rely on the force of gravity and the surface friction of the roofing materials to direct the flow of water downward and outward. With these installation pointers you can make sure this junction is weathertight.

Flashing joints are lapped 6 in the direction of water flow. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Where a flat or pitched roof over an enclosed area abuts a wall or a balcony abuts a wall cavity trays should be linked to the flashing to prevent water penetrating into an enclosed area.