Roof Verge Undercloak Detail

Bargeboards and in some cases gable end brickwork are prone to deviation in their length just like the fascia boards at the eaves and this can transfer itself to the verge detail when installing the undercloak.

Roof verge undercloak detail. Bed edge of verge tiles flush with undercloak on 75mm wide bed of mortar leaving the edges clean. Carry underlay over full width of gable wall and turn down 50mm behind cloaks. This is due to roof slopes being described whilst looking at the roof slope not the gable end. The one on the right is a left hand verge and the one on the left is a right hand verge.

Showing a nice bit of work pointing a verge on the end of the roof on this home in sheffield. The under cloak should have a fall away from the wall to prevent water running back to the wall and leaving a stain or soaking in. Cloaked verge tiles are handed and should be specified when ordering. Download the dwg file.

Close up of verge detail and undercloak above barge board on concrete plain tiled roof to gable end of new detached house apea47 from alamy s library of millions of high resolution stock photos illustrations and vectors. Verge detail on new slate roof hello i am having my roof slated at the verge ive noticed that the battens sit flush with the existing bargeboard meaning the slates cannot overghang the verge in the usual way ie with cement board under the battens instead the first slate will just sit flat on the barge board. Download dxf file. A mortar bedded verge that is done correctly should last as long as the roof tiles or slates.

Undercloak needs to lap under the end of the tile batten by no more than 50mm leaving the outer 50 75mm for mortar and a 25 50mm gap between the end of. Carry underlay over full width of gable wall and turn down 50mm behind cloaks. This will provide an effective underlayer to support a bed of mortar and allow for mortar adhesion whilst also offering a clean finish to the verge detail. Left hand verge is illustrated.

Never use a plain tile undercloak with interlocking tiles. For this reason it is advisable to lay undercloak to a line especially on longer rafters. Eaves and verges detail for a plain clay roof. Carry tiling battens over undercloak and finish flush with verge edge.

Roof undercloak installation overview.