Fibreglass Warm Roof Detail

A 50mm air gap must be left.

Fibreglass warm roof detail.

Usually used on roofs involving strip and replace works. The top boards have joins bandaged before our bba approved crystic roof premium fibreglass system is applied. This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up. Ideal for any new build timber roof applications.

Roof build up technical details 7 domestic roofing 8 commercial roofing 9 refurbishment roofs 10 simulated lead copper roofs 11 green roofs 12 balconies walkways and stairs 13 topseal datasheet 14 cold roof specification 15 warm roof specification 15 a trims drip trim 16 b trims raised edge trim 16. The insulation is immediately below the waterproofing layer. Roof edges are finished with high quality bba approved grp trims. How to install grp fibreglass roofing.

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. 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. The 185 system is always applied to polyroof approved plywood or osb3 boards. A vapour control layer must be used below the insulation.

This is where the insulation is typically packed between the rafters. Ideal for use as part of a warm or cold deck roof design. Diamond fibreglass can advise you on the advantages and benefits of both solutions to help you decide which system is the best for you. This approach uses insulation with no air gap either immediately above or below the roof deck.

The insulation can be adhered mechanically fixed or loose laid. With full bba certification and up to 40 years materials and workmanship guarantee with topseal doubletop topseal is the ultimate stylish fibreglass roofing system. 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.

The vapour control layer is above the decking but below the insulation. This option avoids the requirement to ventilate the roof. 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.