Terraced House Roof Leaking

Trowel the roofing tar into the leak on the underside of the roof deck using a putty knife.

Terraced house roof leaking.

Push the shingle or plywood into the tar and trowel more roofing tar around the edges of the patch. The absence or inadequate waterproofing in this areas can lead to variety of problem like leakages in ceilings below terrace floor dampness in parapet walls or seepage in the terrace slab. If you have a lean to extension that the water from main roof on your house is discharged onto there is a significant chance of this roof leaking. Review the active leak and note the surface where the leak is dripping from.

Defective gutters and down pipes. Defective masonry to the walls is a common problem in houses of this age. These nails will eventually rust. It is best to have one down pipe for the front roof and two for the rear roofs.

The tiles and underlay will be unable to cope with such large volumes of water over a prolonged period of time and will eventually cave under the pressure causing a leak. Thus it is important to avoid cracks in slab in first place and waterproof it to prevent from these problems from occurring in future. And just one rusted out nail can cause your roof to leak every time it rains. If shingles get lifted or torn from high winds the damaged shingle exposes nails holding the shingle below it.