Roof Structure Defects

Rafters typical defects list bearing on ridge board concentrated loads endbearing not adequate mechanical damage rafter spread ridge sag see roof framing ties beams rot insect or fire damage sagging spliced split too small or overspanned warped weak framing at.

Roof structure defects.

Flat roof defect 2 blistering. The downwards load on the roof structure is combined of dead loads. Roof leaks and moisture leaks are a serious problem and can be identified by checking for moisture and damp in the loft. A structural defect is physical damage to a designated load bearing element of a building that could possibly affect the load bearing function.

Defects in pitched roofs normally caused by 3 main factors. Structure can include but not limited to exterior walls windows roof floors sub floors columns and beams. Once moisture collects thermal. Some common causes of general roofing defects include.

These pitched roofs have webs as bracing and tend to be prefabricated in a factory. Weak points can be created where services pass through the covering. The weight of framing roof covering and other things that might be mounted onto a roof surface plus the live loads of snow wind water and an occasional worker or animal clambering around on the structure. Poor repair and maintenance if there s.

Even small amounts of trapped moisture can result in your flat roof membrane detaching from the layer below and cause roof blisters. Damage as a result of making. Roof structure defects may be in existence for some time before being discovered especially when the occupier rarely has cause to go into the roof void as is often the case with tenanted properties or those owned by older people. When moisture gets under the layers of the roof this can cause mould and rot which will lead to more extensive problems in the future if left un repaired.

They are easy and efficient to install as no specialist carpenters are needed when installed these have become the norm in modern roof construction. 5 common roofing defects 1. Unfortunately they are also some of the hardest to identify early. Poor design damp penetration and failure of the roof covering which we sometimes see in out house surveys in london.

Defects in a pitched roof. Poor workmanship many roof defects are a reflection of poor installation like improper fasting that may not be. This is the most common roofing problem and it tends to get worse during the day when the heat of the sun causes the trapped moisture to expand. Until a problem arises there is no way to know if a defect exists.

The perimeters are vulnerable even if the roof covering itself causes no problems.