Repairing Cracks In Flat Roofs

Suitable for cracks in felt asphalt and lead.

Repairing cracks in flat roofs.

Like all flat roof systems gutters are prone to be blocked and need to be regularly cleaned. Remove loose roofing gravel at the area of a crack with a wire brush. And not to use too much of it making it uneconomical messy or potentially more difficult to repair replace professionally later on. The surface may also suffer from dips or hollows.

As with most temporary flat roof repair work a paint on solution can fix leaks. Using a utility knife make a shallow cut until you can remove material around the spot without damaging the layers underneath it. Once the primer is dry apply an elastomeric sealant to the cracks corners and damaged areas and then to the entire roof. For this you will need to first clean the entire roof surface with a pressure washer.

Inspect the roofing for cracks at raised ridges and blistered areas. Cut around the damaged area until the membrane rests flat. Edging can also lift or old flashings against the wall could leak. Felt flat roof repair.

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. Where the flat roof abuts a wall there will be some form of sealing flashing usually a zinc or zinc substitute strip. The best way to repair this flashing is to use one of the proprietary self adhesive repair tapes follow the manufacturer s instructions. Suited for repairs to felt concrete and asphalt.

Sometimes doing that is difficult. Fill in large cracks with mortar or roofing cement then apply a good concrete primer. The trick with any flat roof repair is use the right repair material on the right type of roof. This will achieve a much nicer finish.

Old pour and roll felt roofing can crack get puncture holes usually from impact or the felt could split. Grp flat roofs like any other roof need to be taken care of and be maintained properly.