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

Suitable for new build and refurbishment applications on ballasted and protected flat roofs.

Description

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.

General information

Finish

Material

Size

2 x 15 m

Roll width x length. 1.8 mm thickness.

WarrantyDescription

Uniclass 2015

Ss_30_40_30_79 Single layer sheet inverted roof covering systemsPrimary

CAWS

J42/120 Inverted roof covering

Specification data - Single layer sheet inverted roof covering systems Enhanced data

Waterproof covering

-

Type

Protan Prefabricated G Membrane.

Protection layer

Protan F300M Protection Fleece.

Insulation

-

Type

Extruded polystyrene insulation.

Ballast

50 mm pebble ballast.

System accessories

None.

Protan Approved Fixings.

Protan Approved Leaf Guard.

Protan Approved Mastic.

Protan Cover Strip.

Protan G 1.5 mm Detailing Membrane.

Protan Grip Bar.

Protan Laminated Metal.

Protan Lightning Conductor Clips.

Protan Omega Profiles.

Protan Prefabricated External Corners.

Protan Prefabricated Internal Corners.

Protan Prefabricated Pipe Collars.

Protan ProJual Rainwater Outlets.

Protan Stainless Steel Jubilee Clips.

Protan Walkway Membranes.

Product Reference

Protan Protected System - Prefabricated G Membrane, Inverted Roof Construction

Filter layer

Protan F2B Protection Fleece.

Surface protection

Protan high-density polyethylene paving pads.

50 mm pebble ballast.

50 mm concrete slabs.

Thickness:

1.8 mm.

Literature
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