Polythene Vapour Control Layer from Novia 1200 Gauge - 4m x 25m Roll

Product Code:
N1200
Brand:
Est. Delivery: 2-3 Working Days
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£150.60 Incl. VAT
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Product Description

Novia 1200 VCL is a high specification, blown polythene material, suitable for use as a vapour control layer within the walls of timber frame constructions, or where control of the passage of water vapour is required.

VCL’s are designed for use on the inside (warm side) of insulated buildings to manage the flow of water-vapour, which is a natural by-product of normal building use. Without the use of these membranes within the construction, there is significant risk of condensation within the building structure, potentially leading in the long-term to building damage, and in the short term to substantially increased heating and cooling costs. As little as 3% moisture deposited within the building’s insulation, has been shown to negatively affect insulation performance by up to one third.

This product is a blown polythene material, suitable for use as a Vapour Control Layer within the walls of timber frame constructions, or where the control of the passage of water vapour is required. This product is manufactured to strict tolerances within an ISO 9001 approved production facility, and will meet NHBC Standard 6.2. This product is CE Approved as a vapour control layer to EN 13984:2013. Other sizes and thickness are also available to order.

This product also performs the additional function of an air-leakage barrier, to prevent losses due to unwanted convection flows. We advise the use of Novia compatible butyl and foil sealing tapes to ensure a complete barrier integrity throughout the entire life of the product. Novia 1200 VCL should be used in combination with Novia breather membranes to provide an air-tight and vapour resistant system.

Novia 1200 VCL is fully CPR compliant and is CE Approved to EN 13984:2013.

Properties

Length : 25m.
Width : 4m.
Roll size : 100m2.
Roll weight : 27.6kg.
Water vapour resistance : at least 700 MNs/g to EN 1931.
Material : virgin polythene.
Material thickness : 1200 Gauge / 300 Micron (nominal).
Colour : green or red tint.
CE Approved : to EN 13984:2013.

Application
Novia VCL products are sealed using one of our double-sided butyl tapes, generally using an overlap of 75mm to 100mm, but with certain products we do state that a larger overlap is required. A lap-seal is then applied on top using one of the foil tapes. The wider the tape used, then thestronger the seal will be, so choose a tape based on your own particular application and budget.

We also suggest that in order to improve overall airtightness, butyl tape is preapplied to any studs or timbers at the points where fixing is to be made. By preparing the fixing point in this way, when staples etc are applied to either the membrane itself or the final wall covering such as plasterboard, then the achieved seal will be far better.

Dimensions

WIDTH 4000mm LENGTH 25m

Details

Permeability Vapour Permeable
Air Tight
Vapour Barrier
Roll Size 100m2

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Questions & Answers

Question:

What is the best VCL to use for a domestic application?

Answer:

There are many factors that effect the choice of VCL, Novia VC2, Novia 500 and Novia 1000 are all possible solutions but check with us or your architect for full guidance.

Question:

Are your VCLs airtight?

Answer:

Yes all Novia VCLs are airtight. The joints and overlaps must be taped to maintain a completely airtight installation.

Question:

Do I need tapes with a VCL?

Answer:

Tapes are an essential part of ensuring a VCL is air and moisture tight. Without sealing tapes a VCL would leak and be ineffective.

Question:

Do Novia VCLs have certification?

Answer:

Yes, all Novia VCLs are manufactured to strict BS EN 13984 requirements, which is vital when looking at polythene based VCLs.

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Product Reviews

5 / 5 1 reviews
allan sparkes
23rd August 2020
Excellent service
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Polythene Vapour Control Layer from Novia 1200 Gauge - 4m x 25m Roll

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