Protected PVC single-ply membrane roof system for cold roof constructions. Protan Prefabricated G membrane also contains a fungicide for protection against microbe attack and is FLL approved. It also has a slip-resistant surface, which provides a significant safety factor when walked upon in wet weather.

Features and benefits:

Suitable for new build and refurbishment applications on ballasted and protected flat roofs.
The membranes are manufactured from pliable PVC reinforced with glass fibre.
The PVC contains stabilizers, which make the product UV stable and resistant to both high and low temperatures, and remains flexible at low temperatures, during installation and use.
Protan Prefabricated G membrane also contains a fungicide for protection against microbe attack and is FLL approved.
Protan Prefabricated G membrane has a slip-resistant surface, which provides a significant safety factor when walked upon in wet weather.

Durability:

Accelerated weathering tests and performance in service indicates that Protan Prefabricated G should have a life in excess of 30 years.

Fire resistance:

When used in protected specifications, including an inorganic covering listed in the Annex of Commission Decision 2000/553/EC, the products can be considered unrestricted under the national requirements.
Tests indicate that a system comprising an 18 mm thick orientated strand board (OSB) deck and a layer of Protan G fully adhered using a butanone adhesive will be unrestricted.

Substrates:

Concrete roof decking.
Plywood WBP to BS 5266–2 and BS EN 636–3, minimum thickness 18 mm.
Roofing Grade OSB Board to BE EN 300, Grade 3, and minimum thickness 18 mm.

Properties of waterproof membrane:

Protan Prefabricated G Membrane:

Thickness: 1.8 mm.
Weight: ≥1.8 kg/m².
Roll width: 2 m.
Roll length: 15 m.
Secret Fix Strips: 2.
Tensile strength (EN 12311–2(A)): ≥500 N/50 mm.
Elongation at break (EN 12311–2(A)): ≥200%.
Tear strength (EN 13210–2): ≥120 N.
Resistant to roof penetration according to FLL.
Designed for use on ballasted or paved roofs.

Protection layer (recommended):

Protan F2B Protection Fleece:

Weight: 140 g/m².
Material: Polypropylene.
Use: Over timber or plywood decks, smooth or screeded concrete, old single ply membrane or bitumen roofs. Please contact Protan (UK) Ltd for further guidance.

Protan F300M Protection Fleece:

Weight: 300 g/m².
Material: Polypropylene.
Use: Over smooth or screeded concrete, old bitumen roofs, concrete. Please contact Protan (UK) Ltd for further guidance.

00/3755 - G & EX-A membranes Green/Ballasted & Adhered Systems