Fibreglass Warm Roof Detail

This approach uses insulation with no air gap either immediately above or below the roof deck.

Fibreglass warm roof detail.

A 50mm air gap must be left. A vapour control layer must be used below the insulation. The first thing to consider when installing a grp fibreglass roof is the weather. A warm flat roof or a built up roof bur is one where all the insulation is above the joists deck making them part of the warm fabric of the building.

This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up. The 185 system is always applied to polyroof approved plywood or osb3 boards. Usually used on roofs involving strip and replace works. The insulation can be adhered mechanically fixed or loose laid.

The insulation is immediately below the waterproofing layer. A topseal fibreglass roof represents the pinnacle of grp roofing technology guaranteed to last a generation designed to last a life time. Warm roofs are designed to be as energy efficient as possible and are ideal for residential homes extensions sunrooms bay windows and dormer flat roofs. This is where the insulation is typically packed between the rafters.

While it has been around in one form or another since the 40s and 50s the modern version is far superior and used throughout the construction industry. The vapour control layer is above the decking but below the insulation. By insulating your roof using a warm roof technique you not only dramatically increase your energy efficiency but keep your house warm in the winter and cool in the summer. Roof edges are finished with high quality bba approved grp trims.

Ideal for use as part of a warm or cold deck roof design. This option avoids the requirement to ventilate the roof. Available with a bba approved extra tough anti slip finish for trafficked areas. It can be difficult to provide a very high level of thermal performance in these roof types whether you re looking to insulate at joist level for a cold roof where joist depth can be an issue or above the roof deck where overall roof height may need to be considered if a warm roof construction is desired.

With full bba certification and up to 40 years materials and workmanship guarantee with topseal doubletop topseal is the ultimate stylish fibreglass roofing system. The top boards have joins bandaged before our bba approved crystic roof premium fibreglass system is applied. Ideal for any new build timber roof applications.