Flat Roof Lead Flashing Detail

Code 4 lead sheet is normally used for this work and it is important that the length of each piece of flashing does not exceed 1 5m.

Flat roof lead flashing detail.

To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width. Although fixing near the base of the clip is not recommended for. Use a straight piece of batten to mark a line 25mm from the top edge of. When fitting flashings they should overlap by a minimum of 100mm.

Lead sheet for lead flashing should be no longer than 1 5 metres. This drip edge flashing provides protection from water damage along the eaves and rake of a roof. Laps between pieces should not be less than 100mm. Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels.

Our basic fitting guides are designed to assist installing rolled lead sheet in a range of roofing applications including flashings valleys gutters and flat roofing. Roll detail at drips and abutments 41 flat roof roll and drip intersections 42 pitched roof joints and fixings 43 pitched roof intersection with valley 44. Flashing is installed to surround roof features such as vents chimneys and skylights. Lead flashing onto a flat roof when fitting flashings to flat roofs no overlap onto the roof is required as the roof itself will have it s own upstand flashing built into it.

The extra kick at the bottom of the face directs run off away from the structure. Cover flashings are used where a felt or similar roof covering turns up against a wall. Roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing image details roofing wrb flashing. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.

As a last step of installation you can nail down a custom lead coated copper flashing over the front edges of the roof then glue down a 12 inch strip of uncured rubber over the flashing s top nail edge. If the lead is cut any longer it could lead to splitting of the lead work due to expansion and contraction. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. All the same rules of flashing apply except only the measurements of chase depth and drop are required.

Other factors to keep in mind for your flat roof.