Breather Membranes and Underslating Felts

Tyvek® Supro - Breathable Membrane

An extremely water resistant, airtight and vapour permeable membrane providing superior air and moisture management for commercial and residential buildings. It is multi-purpose, reinforced with a laminated Polypropylene nonwoven durable and reinforced Tyvek grade for use in all supported and unsupported pitched roof applications, including warm, hybrid and cold roofs.

It is specially designed for the rough installation related conditions of fully boarded roofs and is also applicable for profiled cladding (metal sheet), pitched roofs and wall applications.

Vent 3 Classic - Breathable Membrane

Vent3 Classic is a triple layer fabric, which ensures full moisture vapour permeability, whilst maintaining the highest levels of water resistance. As a high performance breather membrane it is made from high tensile spun bonded polypropylene layers, around a micro porous polypropylene film. Designed for use in a fully supported or unsupported tiled, slated or metal roof system.

Vent3 Classic has a printed grey upper surface and white underface. The high vapour permeability and waterproof nature of the membrane, combined with excellent tensile/tear strength, make Vent3 Classic an ideal product for use in both warm and cold roof applications.

Vent3 Classic is equally suitable whether draped unsupported over rafters or laid directly over insulation. It will allow the escape of water vapour from within the roof structure whilst protecting against wind driven rain, snow and dust, which may penetrate the main roof waterproofing, providing a permanent quality breather underlay, which will last the life of the roof construction.

PROTECT 1F - A Non Breathable Underslating for tiled and slated pitched roofs.

A high performance underlay for pitched roofs, which must be ventilated in accordance with BS 5534 2003. Install in the same manner as conventional tile and slate underlays. Protectif prevents the ingress of dust, rain and snow into the roof void. The membrane is completely waterproof and correctly installed will provide temporary protection of 3 months until application of the main roof is finished. The high performance lightweight material is clean and easy to handle, and the 45m x 1m roll size allows for easy handling.

It is a impermeable roof underslating which gives major benefits over plastic and traditional 1F bitumen based underslating felt. Lightweight, Excellent tensile strength, no mess, timesaving over bitumen based 1F, completely waterproof, temporary cover for up to 3 months, anthracite colour surface prohibits glare, UV and heat stable, no gusting wind noise and excellent nail and tear resistance.

Underslating Felt 1F

Traditional underlay on a pitched roof system. Used as a secondary waterproofing membrane under slates or tiles on a pitched roof. Hessian backed to give extra strength. Requires ventilation at eaves and ridge. Roll Size 15m x 1m

Shed Felt

These felts are intended for use as a waterproofing membranes on sheds, garages and portable buildings. These products are easily fixed with cold adhesive or hot bitumen and only requires a single layer application when used on a shed, kennel or portable building. They are covered in coarse mineral or sanded finish which gives good protection against UV rays. This is a cost effective alternative when used in a built up roofing system.

Pluvitec Reinforced Green Shed Felt

Roll Size: 10m x 1m

Jumbo Roll: 400m x 1m

Cut down on waste. Cut your required length to size and save money. Jumbo rolls only

Frame TX - Wall Wrap

Vapour Permeable Membrane for Timber Framed Construction

High performance breather membrane with a highly reflective surface used to enhance the thermal performance of the final wall construction.

  • • Low emissivity reflective surface used to improve the overall u-value of the wall.
  • • Meets the permeability requirements recommended by TRADA and NHBC.
  • • Corrosion and damage resistant.
  • • Good nail tear resistance.

Novia DO 93/135 Reflex

Low emissivity breathable membrane for insulated wall and roof applications

Novia DO 93/135 Reflex is a high quality, versatile, low cost reflective breather mebrane for all pitched cold and warm roofs, and insulated wall applications. The product is installed in roofs either as an ordinary breather membrane or alternatively it can be installed upside down, using an unventilated low emissivity cavity.

When used in suitable conditions the membrane will deliver improved R and U values. The product has excellent water resistance but still provides high breathability; it is strong yet lightweight and also complies with EN 13501-1 fire classification grade E.

Novia Black

Highly waterproof breathable membrane for insulated wall and roof applications

Novia Black is a high quality, versatile, low cost, breather mebrane for all pitched cold and warm roofs, and insulated wall applications. The material meets EN 13859-1 for pitched roofing and EN 13859-2 for walls. The product has excellent water resistance but still provides high breathability; it is strong yet lightweight and also complies with EN 13501-1 fire classification grade E.

The product is black on one side, with no text or images on either side, except a 150mm overlap line.

Novia VC6 Reflective

A technologically advanced reflective air-tight vapour check membrane, designed for use as an air leakage barrier and vapour control layer (VCL) for all insulated walls, roofs and floors. CE approved, and complies with BS EN 13984:2013 for vapour control layers.

Size available: 1500mm x 50mm
Reflectivity: 86%
Sd-Value: 6 metres

Novia VC2

A non-foil construction air-tight vapour check designed for use both as an air leakage barrier and vapour control layer within a "Vapour Open" insulated structure. CE approved, and complies with BS EN 13984:2013 for vapour control layers.

Size available: 1500mm x 50mm
SD Value: 2-5 metres (EN 1931)
Moisture Vapour Resistance: 10.4-26 MNs/g
Flame Resistance: B2 (DIN 4102)

Novia STRP VCL

Novia STRP is a strong, reinforced polythene membrane VCL laminate, for use with metal profile clad industrial buildings or commercial properties. CE approved, and complies with BS EN 13984:2013 for vapour control layers.

Size available: 2000mm x 50mm
Water Vapour Resistance: Minimum 550 MNs/g
Weight: 250 gsm

Novia FF1 VCL

A reinforced, bitumen bonded laminate of aluminium foil and kraft paper with properties in accordance with BS 1521, Class A1F.

Size available: 1000mm x 50mm
Moisture Vapour Resistance: 3420 MNs/g

Novia FF2 VCL

A foil-faced reinforced polythene laminate vapour barrier membrane. The aluminium foil face is coated with a thin layer of lacquer to give exceptional corrosion resistance and durability of reflective characteristics.

Size available: 1250mm x 50mm
Reflectivity: 95%
Thermal Resistance,
associated airspace:
250 gsm

Novia 500 Gauge Polythene VCL

This is a 500 gauge virgin grade polythene VCL for use in timber frame constructions, or other applications where the control of water vapour is necessary. This product is CE approved to EN 13984:2013.

Size available: 2700mm x 50mm

Novia 1200 Gauge Polythene VCL

A 1200 gauge virgin grade polythene VCL for use in timber frame constructions, or other applications where the control of water vapour is necessary. This product is CE approved to EN 13984:2013.

Size available: 4000mm x 25mm
Water Vapour Resistance: At least 700 MNs/g

Novia FSPE (BCO bright 'Class O' foil)

A 5 x 5 mm scrim reinforced 18 micron aluminium foil / laminate achieving a Class "O" fire rating to BS 476 when used as a facing on suitable insulation substrates. Also available in 12 micron foil.

Size available: 1000mm x 250m x 1200mm x 250m
Moisture Vapour Resistance: 1710 MNs/g
Surface spread of flame: Class "O" (BS 476) on suitable insulation