Problems With Flat Roof Extensions

6 most common flat roofing problems alligatoring.

Problems with flat roof extensions.

Water will start to damage your roof s material if it does not drain or evaporate within 72 hours and that means. Flat roof defect 1 standing water. 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. 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.

It is the standard method employed on flat roofed extensions but it is rarely used for new builds today. Pitched all the way. 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. Successful sealing of flat roofs from water ingress can be problematic if not correctly executed.

Just like any roof a flat roof will develop leaks but since it s flat the water doesn t have. One put leadmate under the flashing. Leaks and moisture. If it s a modest extension a modest i e.

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. 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. Unlike a steeply pitched roof these surfaces don t always have the power of gravity working with them to carry runoff down to the ground. A common area which needs to be designed and constructed properly is the joint between the flat roof and any parapet wall.

Low pitch won t affect your neighbours too much. My dad was a flat roofer who guaranteed work for 10years don t think he ever. What happens is the asphalt used to build your flat roof has aged and lost its elasticity causing it to. 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.

Roof repairs are generally more expensive than traditional pitched roofs. 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. A few builders have looked. Rainwater can be a pretty serious threat to a low sloped or flat roof.

This is one of the primary causes of flat roof leakages. The water weighs your roof down which can cause it to collapse. Buckle in membrane. 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.