Flashing adaptable to different shapes of roof

Details Flashing adaptable to different shapes of roof Flashing adaptable to different shapes of roof

E - Fixed Constructions

04

D

E04D 13/14 (2006.01) E04D 1/36 (2006.01) E04D 3/38 (2006.01) E04D 15/00 (2006.01) E04G 23/00 (2006.01)

Patent

CA 2461116

Disclosed is a flashing for weatherproofing an aperture made in a roof to allow passage of a vertical member such as a chimney through the roof. The flashing has a base member adapted to be mounted over the aperture made in the roof and on a surface of the roof surrounding the aperture. The base member is made of malleable material dressed to match the shape of roof surface. The base member comprises a panel having a top edge adapted to be positioned on an upper part of the roof, a bottom edge adapted to be positioned on a lower part of the roof, two opposite side edges and an opening, said opening being large enough to allow passage of the vertical member therethrough. The flashing also comprises a surrounding member being tubular in shape and extending upwardly from the base member to fit around the vertical member. The bottom and surrounding structures are linked through a joining ring structure encircling a bottom opening of the surrounding member. The joining ring structure is attached to the surrounding member through a series of spot welds that traverse the base member sandwiched between the joining ring structure and the surrounding member. This flashing can be installed by (1) cutting a slot or lifting a surface in the upper part of the roof above the aperture made therein, so as to receive the top edge of the covering panel of the base member, (2) inserting the top edge of the covering panel into the slot cut in the roof or under the lifted surface, (3) positioning the bottom edge of the base member onto the lower part of the roof in such a manner that the bottom opening of the surrounding member is located on top of the roof aperture, (4) applying pressure to the top surface of the base member in various locations so that the base member adapts to the shape of the roof or tiles thereon and (5) fastening the base member to the roof.

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