Flat Roof Edge Flashing Details

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Flat roof edge flashing details. Large flashings are formed with a hook edge on the top and sides and cleated to the sheathing at 12 o c. Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs right in the real world. Roof edge details 9 1 general of all exterior building components roofs probably have the greatest exposure to environmental and physical abuse. Design of flashing details to suit the application can help to ensure reliable function and a quality finish.

This detail illustrates a method of flashing a ventilator on a sloped roof. 3 9 roof edges applicability a roof edge detail should be installed as specified by the designer at all flat edges of the roof where the field membrane ends and at internal and external gutters. Our photo illustrates several details of roof drip edge eaves flashing and gable end flashing at an asphalt shingle re roof job we documented in dutchess county new york. They must be carefully designed and installed to provide the appropriate performance and life expectancy.

The standard roof edge details illustrated in this section are generally applicable. Click to enlarge any image. Because of the wide variation in detailing this section will not. Of course a drip edge should be flat on the roof deck.

After all edge detail is complete we install the field rolls of membrane and all penetration flashings such as pipes drains hvac skylight curbs roof hatches chimneys etc. Consult firestone s technical department for assistance when. Drip edge roof underlap roof overlap wall side underlap horizontal sheeting. The base flashing extends onto the roof a minimum of 4 and is soldered to the ventilator.

Flat roof installation field sheets roof penetrations and roof to wall termination. Non flat surfaces 2 0 0 3 0 0 flashing straight overlap sealed roof underlap soaker continuous beads of silicone.