Klober Permo Light Vapour Permeable Roofing Underlay

£144.85 ex. VAT £173.82 incl. VAT
  • Buy 20 for £79.00 ex. VAT each and save 45%
  • 50 x 1.5m (75m²)
  • Limits air leakage in a sealed roof application
  • Strong laminated sheet material
  • Robust vapour permeable underlay

Klober Permo Light Vapour Permeable Roofing Underlay

When it comes to superior roofing supplies, JJ Roofing knows what you need to take your project to new heights. Our range of competitively priced products will give you everything you need to ensure you achieve the highest level of results.

In keeping with this, we are happy to offer a range of products from Klober. Any professional in the roofing industry knows that when you use Klober products, you are using the best in the market. They provide the highest quality solutions to many different areas of the roofing sector, and this includes the fantastic Klober Permo Light Vapour Permeable Roofing Underlay. If you have been looking for a light and durable underlay that boasts brilliant performance characteristics, you have found it, and JJ Roofing supplies it at very respectable prices.

The installation of the Klober Permo Light Vapour Permeable Roofing Underlay is made easy by its lightweight and intuitive design. You will receive specific installation instructions with each roll, as they are contained inside the packaging. If you have any further questions, why not let us know and we will help clear the confusion?

This robust vapour permeable underlay is made using a three-layer construction. The outer layers are made of strong polypropylene and the inner layer is a microporous polyethylene film. It is also approved for cold and warm roofing applications by BBA, IAB and CE.

A few key pieces of technical information to note are:

Water vapour resistance BS 31770.15 MNs/g
Water vapour permeability BS 31771350 g/m2/day
Water columnW1
Tensile strength longitudinal / transverse, BS 2782-3275N / 50mm 230N / 50mm
Nail tear strength longitudinal / transverse, MOAT 27:5.4.1180N / 180N
Fire RatingE
Temperature-40°C to + 80°C
UV exposure4 months


JJ Roofing supplies these rolls in 50m x 1.5m (75m2), which means each roll only weighs 10.9kg.

If you are installing this product, you will need to consider the UK wind zone you are working in. If you are using the maximum overlap batten gauge, then this product is suitable for wind zones one to three. If you combine this with the Permo® TR plus tape, then this product is certified for usage in all zones.

You will definitely be surprised at the performance this lightweight product will provide. It’s a type LR underlay which inhibits air leakage from the roof, whilst being hydrophobically treated to make it stand up to even the most challenging weather conditions. 

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