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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

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.

Application:

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

General information
Finish

Anti-slip surface

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

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. 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

Material

Manufactured from pliable PVC reinforced with glass fibre and polypropylene protection fleece

Size

1.8 mm thickness, 2 m x 15 m roll

WarrantyDescription

Should have a life in excess of 30 years

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
Product Reference

Protan Protected System - Prefabricated G Membrane, Warm Roof Construction

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

Standard product features

Colour:

Dark grey.

Features:

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. 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.

Finish:

Anti-slip surface.

Material:

Manufactured from pliable PVC reinforced with glass fibre and polypropylene protection fleece.

Size:

1.8 mm thickness, 2 m x 15 m roll.

Warranty Description

Should have a life in excess of 30 years.

Literature
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