Fibreglass Flat Roof Condensation

However we are getting drops of water now coming through the platerboard on our bedroom ceiling and also in light fitting in the upstairs bathroom and are quite alarmed in case there s serious damage being done.

Fibreglass flat roof condensation. The designer therefore needs to consider the amount of insulation required to control both heat loss and condensation. Adoption of fibreglass roofing was hindered in the early days by poor installation practices and the use of hard boat resins rather than dedicated. Flat and low slope roof designs to avoid moisture condensation problems flat roofs call up a whole new breed of building moisture problems how to avoid moisture traps under flat roofs avoid mold rot caused by moisture trapped under un vented flat roofs questions answers about the cause cure prevention of moisture problems in flat roofs and similarly hard to ventilate structures. Condensation within a flat roof mainly occurs during cold weather when moisture vapour in the air which has been generated within the heated building rises from the room below into the cold roof void above the ceiling.

Because the flat roof is on a dormer we have been cold in winter and decided to have king span for insulation. Why use osb3 with fibreglass roof construction. Vapour gaps would be carried out. So we had him install this as part of the job we were assured that the necessary condensation avoiding procedures i e.

And the problems above will only occur for three reasons. We have a cold deck roof. Preventing fibreglass roofing problems. In the case of a flat roof insulation is usually in the form of either a rigid board above the deck or a fibrous quilt immediately above the ceiling depending on the type of roof construction.

Condensation can cause a number of problems within a building particularly interstitial condensation which can occur inside the roof s structure. The fibreglass roof is at the end of its life span. Over time this excess moisture can lead to the unseen decay in roof timbers and fixings. Flat roof condensation.

Flat roof design guide. The roof hasn t been properly maintained. On systems using firefox browser press the ctrl and f keys simultaneously to open the find toolbar at the bottom of the window box then type in your word. We had a complete new fibre glass roof installed 2 years ago on our dormer bungalow previously it was felt but we were getting some leaks.

Fibreglass flat roofs have been used in the uk for over 30 years in small numbers but over the past 10 years interest in grp glass reinforced plastic fibreglass roofs have really taken off. We never had condensation problems before but we have. The roof was not installed correctly. How to fibreglass a flat roof.