Problems With Flat Roof Extensions

However the technology used in this type of roofing is now barely recognisable to that of the 60s and 70s and is arguably just as reliable as any other type of roofing system.

Problems with flat roof extensions.

Leaks and moisture. It is the standard method employed on flat roofed extensions but it is rarely used for new builds today. Unless it is detailed to allow for movement any slight deflection of the roof could cause a break in the waterproofing membrane at the roof parapet wall junction. Successful sealing of flat roofs from water ingress can be problematic if not correctly executed.

Buckle in membrane. One put leadmate under the flashing. If it s a modest extension a modest i e. Roof repairs are generally more expensive than traditional pitched roofs.

What happens is the asphalt used to build your flat roof has aged and lost its elasticity causing it to. With this in mind let s take a look at five of the most common flat roof problems and what they could mean for your property. Just like any roof a flat roof will develop leaks but since it s flat the water doesn t have. My dad was a flat roofer who guaranteed work for 10years don t think he ever.

Flat roof drainage is historically not as effective as traditional pitched roofs and standing water ponding can be an issue if falls are not adequate. A few builders have looked. Rainwater can be a pretty serious threat to a low sloped or flat roof. A common area which needs to be designed and constructed properly is the joint between the flat roof and any parapet wall.

The flat roof extension is more on trend than it once was and is free of the dreaded leaks that haunted this type of structure in the past. Typically the life span of a flat roof is not as long as a traditional pitched roof even less so if it is vulnerable to damage points 1 and 2. Water will start to damage your roof s material if it does not drain or evaporate within 72 hours and that means. In the 1960s and 1970s flat roof extensions gained a bad rep due to many developing leaks and as a general rule not doing their primary job of keeping the inside of the building dry.

The water weighs your roof down which can cause it to collapse. Moreover the costs of a flat roof extension today are typically lower than for a pitched roof. Extension faces west so in heavy rain driving wind the water has found a way in and can drip from a specific place about 2ft in from the corner of the room. Drainage systems on a flat roof can be overwhelmed quickly by falling debris and anytime there is standing water on a roof issues will abound.

Flat roof defect 1 standing water. This is one of the primary causes of flat roof leakages. In general a warm roof is preferable from a construction angle but it does lead to a higher roof profile which isn t always acceptable from a planning perspective. 6 most common flat roofing problems alligatoring.