Protan UK Protected System - Prefabricated G Membrane - Warm 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 warm roof constructions. Contains a fungicide for protection against microbe attack. It 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 (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 5268–2 and BS EN 636–3, minimum thickness 18 mm.
  • Profiled galvanized steel deck, minimum recommended thickness 0.7 mm to BS EN 10147 Fe E280G Z275.
  • Roofing Grade OSB Board to BS EN 300, Grade 3, minimum thickness 18 mm.


Properties of waterproof membrane:

– Protan G:

  • 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.)

- Glass Fleece:

  • Weight: Consult manufacturer for details.
  • Material: Consult manufacturer for details.
  • Use: Supplied by third party. As specified by manufacturer.


Vapour Control Layer (recommended):

– Protan PE Air Vapour Control Layer:

  • Thickness: 0.2 mm.
  • Colour: Blue.
  • Water vapour resistance: >78m (Sd value), to BS EN 1931.
  • Installation: Loose lay and overlap all side and end laps by minimum 150 mm and seal with double-sided mastic tape. Tape dimensions; 1.5 mm x 60 mm.
  • Insulation must be mechanically fixed.

– Protan Self-Adhesive Air Vapour Control Layer:

  • Thickness: 0.6 mm.
  • Colour: Black/ Foil Top Surface.
  • Water vapour transmission: >1,500 m (Sd value), to BS EN 1931.
  • Installation: Apply Protan vapour control layer primer. Lay membrane and overlap all side laps by 60–80mm and all end laps by at least 150 mm. Apply pressure evenly.
  • Insulation can be mechanically fixed or adhered.


Insulation (recommended):

  • ROCKWOOL Hardrock, Multi-Fix, Dual Density (DD), stone mineral wool board - Inclusive system warranty available, contact manufacturer.
  • Kingspan polyisocyanurate -Inclusive system warranty available, contact manufacturer.
  • EPS.
  • XPS.


Separating layer:

  • F2B Fleece.
  • Only required if polystyrene insulation is used.


Surface protection:

Protan high-density polyethylene paving pads are available to support concrete paving slabs.

General information

Finish

Anti-slip

Anti-slip surface.

Color

Grey

Dark grey.

Material

Size

2 x 15 m

Roll.

WarrantyDescription

Uniclass 2015

Ss_30_40_30_80 Single layer sheet warm roof covering systemsPrimary

CAWS

J42/10 Warm deck roof covering

J42/110 Warm deck roof covering

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

Air and vapour control layer

-

Type

Protan PE Air Vapour Control Layer.

Protan Self-Adhesive Air Vapour Control Layer.

Insulation

-

Type

ROCKWOOL Hardrock, Multi-Fix, Dual Density (DD), stone mineral wool board.

Inclusive system warranty available, contact manufacturer.

Kingspan polyisocyanurate.

Inclusive system warranty available, contact manufacturer.

EPS.

F2B Fleece required between insulation and membrane.

XPS.

F2B Fleece required between insulation and membrane.

Separating layer

Not required.

Protan F2B Protection Fleece.

Waterproof covering

-

Type

Protan Prefabricated G Membrane.

Upper protection layer

Protan F300M Protection Fleece.

Surface protection

>50 mm concrete paving slabs.

>50 mm pebble ballast.

Protan high-density polyethylene paving pads.

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, Warm Roof Construction

Thickness:

1.8 mm.

Literature
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