Protan UK Protected System - Prefabricated G Membrane - Inverted Roof Construction

Protected PVC single-ply membrane roof system for inverted roof constructions. Contains a fungicide for protection against microbe attack and is FLL approved and has an anti-slip surface, which provides a significant safety factor when walked upon in wet weather.

Features:

• 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 membrane 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 deck and a layer of Protan G fully adhered using a butanone adhesive will be unrestricted.

Substrate:

• 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 300:1997 Grade 3, 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.)

Insulation (recommended):

XPS.

Surface protection:

Protan high-density polyethylene paving pads are available.