Flat Roof Lead Flashing Details

Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels.

Flat roof lead flashing details.

For flat roofs the lead which pays on the flat roof should be at least 200mm. Although fixing near the base of the clip is not recommended for. Flat roof flashing this could virtually be any type of flat roof the upstand of the flat roof covering is overlapped by the drop of the flashing. Lead sheet for lead flashing should be no longer than 1 5 metres.

Lead flashing maximum length. This drip edge flashing provides protection from water damage along the eaves and rake of a roof. 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. A copper receiver holds the counterflashing at its top edge.

The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten. Clip strength is increased the closer the clip is fixed to the free edge of the lead sheet or flashing. Wood core roll as used on ridges hips and flat roofing wood core roll is to be used to allow for the expansion and contraction in lead sheet and flashing. It is shaped to prevent wind lift.

Lead roof flashing length. More product details close. The extra kick at the bottom of the face directs run off away from the structure. The flashing of the head of a batten seam roof at a wall is shown in this detail.

That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. Lead flashing needs to be a minimum of 75mm up the wall for a standard 30 degree lean to roof against a brick wall the lead on the roof should be minimum 150mm. Wood core roll is used for joining bays of lead roofing also on steeply pitched roofs and lead cladding where a bold joint appearance is preferred. When fitting flashings they should overlap by a minimum of 100mm.

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. Copper flashing is locked into this edge and extends at least 8 up the wall. If the lead is cut any longer it could lead to splitting of the lead work due to expansion and contraction.