Repairing Cracks In Flat Roofs

Where the flat roof abuts a wall there will be some form of sealing flashing usually a zinc or zinc substitute strip.

Repairing cracks in flat roofs.

Remove loose roofing gravel at the area of a crack with a wire brush. Once the primer is dry apply an elastomeric sealant to the cracks corners and damaged areas and then to the entire roof. Like all flat roof systems gutters are prone to be blocked and need to be regularly cleaned. The best way to repair this flashing is to use one of the proprietary self adhesive repair tapes follow the manufacturer s instructions.

For small repairs grind out the effected area back to the board then apply some woven bandage with roofing resin blend the new with the old the best you can applying slightly more resin than required prior to sanding back smooth before you apply the roofing topcoat. As with most temporary flat roof repair work a paint on solution can fix leaks. Old pour and roll felt roofing can crack get puncture holes usually from impact or the felt could split. Using a utility knife make a shallow cut until you can remove material around the spot without damaging the layers underneath it.

For most small punctures you can repair your roof simply by forcing sealant into them. Sometimes doing that is difficult. The surface may also suffer from dips or hollows. This will achieve a much nicer finish.

In addition to this it is advisable to regularly sweep your roof to clear the build up of any debris such as leaves and dirt. The trick with any flat roof repair is use the right repair material on the right type of roof. Suitable for cracks in felt asphalt and lead. Inspect the roofing for cracks at raised ridges and blistered areas.

Edging can also lift or old flashings against the wall could leak. Fill in large cracks with mortar or roofing cement then apply a good concrete primer. Felt flat roof repair. And not to use too much of it making it uneconomical messy or potentially more difficult to repair replace professionally later on.

For this you will need to first clean the entire roof surface with a pressure washer. Cut around the damaged area until the membrane rests flat.