Mortar Roof Verge

A dry verge is a roofing system that uses interlocking pieces to cover the verge rather than the traditional mortar.

Mortar roof verge.

Its job is to keep a lash on the roof tiles. The verge tiles have not been bedded on the mortar in one operation. Roof cement is primarily used to hold roof tiles hip tiles and ridge tiles securely in place it also keeps out rainwater. The mortar does not contain the minimum 30 required sharp sand.

The clipping of verge tiles should be undertaken with the verge clip recommended by the manufacturer as each tile design will have a different profile and interlock height two products may look alike but the strength of the fixing may be very different. Failure of roof verges is incredibly common and often stems from two underlying problems. The verge begins where the outer shingles or roofing tiles end and the roof meets the gable which is the ridge formed by the 2 sides of the roof. Scoop some mortar into an old bucket and use a trowel and mortarboard to apply it on areas where the old mortar was removed.

The correct mix ratio is 3 parts sand to 1 part cement this is much stronger than bricklayers use 5 1 as the cement on the roof must withstand more driving rain than a typic. Tiles on the verge are often mortared to prevent rain and wind from getting underneath the tiles. With a half tile at a mortar bedded verge should be clipped on both the right and lefthand verges. Eaves flashing only visible in limited areas.

Bear in mind that as time will pass the bedding will gradually wear out. Be careful when lifting mortar to the top part of the roof if it is possible get an extra hand. Dry fix options for verges are also available from a number of manufacturers.