Novia FR - Fire Class B Roof and Wall Breather Membrane - 1.5m x 50m Roll
Guide Price
Novia FR - Fire Class B Roof and Wall Breather Membrane - 1.5m x 50m Roll
Guide Price: £134.03 (£160.84 inc VAT)
Price per m2: £1.99/m2 (£2.38 inc VAT)
- Product Code: A1-3559
- Delivery Time: 1 - 2 days
- Brand: Novia (Tech. support: 01622678952)
- Model and Size: 1.5m x 50m - 67.5m2
- Weight: 8.50kg
Our ratings on 23-04-2024:
4.6 out of 5 - Excellent
4.8 out of 5
Novia FR - Fire Class B Roof and Wall Breather Membrane - 1.5m x 50m Roll
Width: 1500mm
Length: 50000mm
Roll Coverage: 67.5m2
Weight/m2: 0.11kg
Weight: 8.5kg
Fire Rating (Reaction to Fire): B(Class 0)
Novia FR Fire Class B Roof and Wall Breather is a versatile, low cost fire class B breather membrane for use in pitched cold and warm roofs, and insulated wall applications, allowed above 18m. It has maximum W1 water resistance with high breathability. The membrane is coloured black on the front side and white on the other side, with a clearly marked overlap line on the front. It is a breathable and vapour permeable membrane in one.
CHARACTERISTICS
CERTIFICATION
- Class B fire rated when fitted to A1/A2 materials, Class D when on wood,
- Has excellent UV stability,
- Single product for all roofs and walls,
- Suitable for walls over 18 metres,
- Has a non-woven laminate construction,
- Suitable for use on fully boarded roofs,
- Meets EN 13859-1 for roofs and EN 13859-2 for walls.
- For pitched cold and warm roofs,
- For insulated wall applications.
INSTALLATION
To walls
- Ensure upper layers overlap lower layers.
- Work from the bottom moving upwards and ensuring there are minimum overlaps of 100 mm on the horizontal joints.
- Do not begin a vertical lap joint within 300 mm of a corner,
- Vertical laps should be at least 150 mm.
- Ensure the bottom timber is also protected by an overlap.
- Fix at suitable intervals with galvanised nails, stainless staples or similar permanent fixings.
To roofs
- Ensure upper layers overlap lower layers.
- Work from the bottom moving upwards and ensure there are minimum overlaps.
- The membrane should be overlapped 200 mm on each side of the ridge.
- All vertical overlaps must be situated on a rafter and must be sealed.
- Fix at suitable intervals with galvanised nails, stainless staples or similar permanent fixings.
- At any entry points for services (soil pipes, vents etc.), ensure that the membrane is properly sealed.
- Use of Novia breather membrane tapes.
- Ensure that for wall or warm roof applications, a vapour barrier is installed on the warm side of the insulation.
Note:
Do not leave the membrane unnecessarily exposed to weathering, high winds, excessive UV etc. as this may cause damage over time. If you must leave the membrane exposed for extended periods of time, consider the use of suitable temporary protection materials.
CERTIFICATION
Novia_FR_Breather_Datasheet.pdf
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