Chimney Back Gutter Flashing

This forms a secret gutter behind the chimney extending at least 125 mm up the chimney framing.

Chimney back gutter flashing.

Describe the direction of the line as you draw it. The back gutter is fitted to carry water from behind the chimney. However the most critical attribute of the flashing is simple. Leadworx back gutter chimney flashings are designed and fabricated to suit any chimney size and orientation using code 4 sheet lead milled to british standard bs en 12588.

Where the pen stops becomes the centre of the clock for the next line. These back gutters are all made to order to ensure you get the best product for your property. The lead gutter lining is then overlapped by the cover flashing of the chimney stack. For tapered flashings quote nearest edges first.

It is the metal or sealant layers that are meant to provide a watertight seal between the chimney and the roofline. It is then dressed down over the lower flashing see figures 1 and 2. It must be watertight. Complete the flashing using this method.

Next the step flashing is cut and fitted to go over the sides of the soakers the final piece of leadwork is the back gutter and this is installed underneath the course of tiles and turned up the back of the chimney stack and into a course of bricks. Chimney flashing exists at the base of the stack. These are pieces of lead that go underneath the slate and turn up the side of the chimney. It is installed to ensure that the lead flashing wraps around the tilting fillet and is overlapped by the roofing underlay.

Repeat for the back use the same letters unless otherwise indicated.