Novia VC4000 FR Reflective Vapour Control Layer 1.5m x 50m Roll
Guide Price
Novia VC4000 FR Reflective Vapour Control Layer 1.5m x 50m Roll
Guide Price: £169.68 (£203.62 inc VAT)
60 or more £160.43 (£192.52 inc VAT)
- Product Code: A1-3877
- Delivery Time: 1 - 2 days
- Brand: Novia (Tech. support: 01622678952)
- Model and Size: 1.5m x 50m
- Weight: 13.00kg
Our ratings on 14-05-2025:
4.8 out of 5
4.4 out of 5 - Excellent
Novia VC4000 FR Reflective Vapour Control Layer 1.5m x 50m Roll
Width: 1500mm
Weight/m2: 0.16kg
Weight: 13kg
Novia VC4000 FR Reflective Vapour Control Layer is a premium quality, high performance, Class B flame resistant, reflective air and vapour control layer (AVCL) in any insulated wall or roof application where high moisture vapour resistance is required. Novia VC4000 FR has a reflectivity of 98%, which will significantly improve both U and r values when correctly installed. Novia VC4000 FR will also provide a very low moisture vapour permeability solution. It is approved for use in high rise applications.
CHARACTERISTICS
- Lightweight breather membrane,
- Very low moisture vapour permeability,
- Premium performance tensile and nail tear strength,
- EN 13501-1 fire approval,
- Approved for use in high rise applications,
- Air and wind tight,
- Improve U values,
- Minimises interstitial condensation.
APPLICATION
- Any insulated wall or roof application where high moisture vapour resistance is required.
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.
CERTIFICATION
- Complies to EN 13501-1 Fire Classification Class B-s1, d0
- Meets the requirements for UKCA marking,
Novia-VC4000FR-DOP.pdf
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