QA Barrier Plus Overlap Vapour Underlay

The QA Barrier Plus underlay features a double moisture barrier for piece of mind. In addition, the underlay is lightweight and designed for impact protection, offering perfect support and comfort at all times.

Impact Rating

Reduces by 20 dB


3 mm


Covers 15m2


1.5 kg


£1.76 /

inc VAT


£1.47 /

ex VAT
Actual Area (sq m) 15
Total Price £21.99

Product Description

The QA Barrier Plus’s built in moisture barrier will prevent moisture migration from the subfloor and has an excellent resistance to fungi, mould and bacteria. With 100% recyclable polyethylene foam, this eco-friendly underlay looks after the environment in more ways than one – and being dust-free, Barrier MultiFold is cleaner and easier to install, with less clearing up needed afterwards. The 20dB imapct sound reduction will also help to reduce impact noise levels on wood/laminate floors.

We recommend using our Vapour Tape with this product.

  • Dry as a Bone – a double-sided vapour barrier and a double overlap, so youre even better protected against rising moisture.
  • Impact Protection – perfect support protects your floor against excess wear and even high impact damage.
  • Lightweight – Barrier Plus Overlap is lightweight making it easy to lift and move around -saving time and effort during installation.

QA Performax Underlays are designed for those wanting specialist, contract or high performance at great value prices. With added-value technical benefits such as thermal insulation, vapour barrier lamination, acoustic management, high traffic resilience and underfloor heating enhancement. QA Barrier Plus Overlap is one of those such products.


Impact Reduction

This product has an Impact Noise Rating of 20dB, provided to us by the manufacturer. This is the reduction you will get when using this product.

Need Some Assistance?

If you need any assistance in understanding our product range, please don’t hesitate to call our customer service team on 01484 411888.

Who is this product for?

This wood and laminate underlay is for use in settings that require impact noise reduction, cushioning and moisture protection.

The product features a double vapour barrier, giving you piece of mind when the environment has a risk of rising damp.

Technical Specification

Area 15m2
Dimensions 15m x 1m x 3mm
Thickness 3mm
Weight 1.5kg
Impact Noise Rating 20dB

The information given here may vary and is partly based on information from our suppliers. It represents the prevailing level of expertise and is not binding in a legal sense. The compliance of legal requirements lies within the customers own responsibility.

You can find all of the information shown here on one of our product data sheets which are in a PDF format. You can download this below.

Technical Data Sheet
Product Data Sheet

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