Chimney Back Gutter Flashing

The back gutter is fitted to carry water from behind the chimney.

Chimney back gutter flashing. Describe the direction of the line as you draw it. At the rear of the chimney a butyl epdm or lead gutter lining is carried over an anti ponding board. 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. However the most critical attribute of the flashing is simple.

It must be watertight. Complete the flashing using this method. These back gutters are all made to order to ensure you get the best product for your property. It is installed to ensure that the lead flashing wraps around the tilting fillet and is overlapped by the roofing underlay.

Chimney flashing exists at the base of the stack. It is then dressed down over the lower flashing see figures 1 and 2. Begin drawing the flashing at the centre of the page. The lead gutter lining is then overlapped by the cover flashing of the chimney stack.

This forms a secret gutter behind the chimney extending at least 125 mm up the chimney framing. For tapered flashings quote nearest edges first. This protective system is made in a variety of different means and techniques. These are pieces of lead that go underneath the slate and turn up the side of the chimney.

It is the metal or sealant layers that are meant to provide a watertight seal between the chimney and the roofline.