Novia Reflex Reflective Roof & Wall Breathable Membrane - 50m x 1.5m

Product Code:
NOVIA REFLEX
Brand:
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£167.10 Incl. VAT
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Product Description

A low emissivity metalised synthetic laminate for premium roof underlay applications and as a high quality wall-cladding on timber frame constructions.

Novia Reflex is a high quality, versatile, low cost reflective breather membrane for all pitched cold and warm roofs, and insulated wall applications. The material complies with both EN 13859-1 (roofs) and 13859-2 (walls). When used in suitable constructions this membrane will deliver improved R and U values. The product has excellent water resistance characteristics, but still provides high breathability. It is also strong, having excellent tensile and nail tear strength. Novia Reflex also complies with EN 13501-1 fire classification grade E.

Novia Reflex is fully compliant with new mandatory CE marking requirements, introduced under the 2013 Construction Products Regulations. Under this new European directive, all products covered by a current hEN must comply with the new standard. Third party accreditation alone is no longer sufficient, nor relevant. Any affected products manufactured after the implementation date in July 2013 must conform to the new CPR standard, and must be CE approved.

Propertes

Length: 50m.
Width: 1.5m.
Roll size: 75m2.
Weight: 131gsm.
Roll weight: 10kg.
Flame resistance: Class E to EN 13501-1.
UV resistance: 3 months.
Temperature resistance: -40°C to +80°C.
Certification: CE approved.

Installation

Walls: Fix the membrane to the wall structure; ensure upper layers overlap lower layers, and the reflective side faces outwards into the cavity. 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 300mm of a corner, and all vertical laps should be at least 150mm. Ensure the bottom timber is also protected by an overlap. Fix at suitable intervals with galvanised nails, stainless staples or similar fixings that will be permanent.

Roofs: Novia Reflex can be installed in all standard roof applications. It is suitable for use within BS 5543 wind uplift applications. On insulated warm roofs the membrane may be placed directly onto the insulation or boarded roof if required. Novia Reflex can also be used in conventional cold roof applications. Fix the membrane to the roof and ensure upper layers overlap lower layers. Work from the bottom moving upwards and ensure there are minimum overlaps used as shown within BS 5534:2014.

The membrane should be overlapped 200mm 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 approved fixings that will be permanent. At any entry points for services (soil pipes, vents etc.), ensure that Novia Reflex is properly sealed. Where pipes etc. penetrate the underlay, cut neatly and accurately and turn edges up to give a tight water-resistant fit, and ideally seal with Novia tape.

In order to comply with some BS 5534 wind uplift zone requirements you must use our singlesided Novia Breather Membrane Lap Tape. See wind uplift tables for full details. Where BS 5534 compliance requires the use of Novia tape, you may use a smaller 100mm overlap. The batten restrained results, not using Novia tape, were tested using the standard 150mm overlap.

An improved U-value may be obtained by installing the membrane in the opposite orientation, i.e. facing the reflective side backwards into a low-emissivity cavity. The low-emissivity cavity can be provided by installing a 25mm counter-batten, and there is also the additional benefit of minimising the build-up of any contaminants on the reflective surface. You should then install a second breathable membrane such as Novia Black on top of the Novia Reflex low emissivity layer, facing outwards as normal.

Tapes
We strongly advise the use of Novia installation tapes, which will greatly improve the performance and overall airtightness of the roof, even if tape is not specified for mandatory use within a particular zone under the BS 5534 wind uplift test results. We offer a single-sided Novia Breather Membrane Lap Tape for basic installations, and for high specification work where there is even greater emphasis on air-tightness we offer the optional Novia Double-Sided Adhesive Tape. For the very best standards of installation and air-tightness, we advise the use both types of tape, which will ensure a long lasting, high quality, breathable and air-tight seal is formed.

Dimensions

WIDTH 1500mm LENGTH 50m

Details

Permeability Vapour Permeable Roll Size 75m2

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Questions & Answers

Question:

Does it have certification?

Answer:

Yes, Novia breather membranes conform to BE EN 13859-1 and -2 which cover roof and wall applications *Excluding Novia 4016

Question:

Where is a breather membrane used?

Answer:

Breather membranes can be used on roof and wall applications for external applications behind the external façade/roof covering.

Question:

Are they airtight?

Answer:

Yes, Novia breather membranes are airtight which ensures the warmth of the building is retained.

Question:

Are they fully waterproof?

Answer:

Yes, all Novia breather membranes are fully waterproof to W1 standard (the highest possible standard) *Excluding Novia 4016.

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Novia Reflex Reflective Roof & Wall Breathable Membrane - 50m x 1.5m

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