Fibreglass Warm Roof Detail

A 50mm air gap must be left.

Fibreglass warm roof detail.

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. A topseal fibreglass roof represents the pinnacle of grp roofing technology guaranteed to last a generation designed to last a life time. Roof edges are finished with high quality bba approved grp trims. This is where the insulation is typically packed between the rafters.

The insulation can be adhered mechanically fixed or loose laid. The first thing to consider when installing a grp fibreglass roof is the weather. The 185 system is always applied to polyroof approved plywood or osb3 boards. 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.

A vapour control layer must be used below the insulation. This option avoids the requirement to ventilate the roof. This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up. With full bba certification and up to 40 years materials and workmanship guarantee with topseal doubletop topseal is the ultimate stylish fibreglass roofing system.

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. The vapour control layer is above the decking but below the insulation. This approach uses insulation with no air gap either immediately above or below the roof deck. Usually used on roofs involving strip and replace works.

Ideal for any new build timber roof applications. The top boards have joins bandaged before our bba approved crystic roof premium fibreglass system is applied. 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. The insulation is immediately below the waterproofing layer.

Diamond fibreglass can advise you on the advantages and benefits of both solutions to help you decide which system is the best for you. Ideal for use as part of a warm or cold deck roof design. How to install grp fibreglass roofing.