Powerlon UltraPerm Premium Underlay 135gsm 1m x 50m (50m2)
SKU: 27649974791

Powerlon UltraPerm Premium Underlay 135gsm 1m x 50m (50m2)

Sale price$51.78 Regular price$57.53
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Description

Powerlon UltraPerm Premium Underlay 135gsm 1m x 50m (50m2)Powerlon UltraPerm Premium Underlay 135gsm 1m x 50m (50m2) The excellent Powerlon UltraPerm Premium Underlay 50m x 1m is a breathable underlay which has been designed for all pitched roof designs as well as wall applications and weighs 135gsm and comes in a beautiful blue colour. This product is a great investment as it is water repellent and has good UV stability. It is also very durable as it is resistant to tearing which ensures constant protection

Powerlon UltraPerm Premium Underlay 135gsm 1m x 50m (50m2)

The excellent Powerlon UltraPerm Premium Underlay – 50m x 1m is a breathable underlay which has been designed for all pitched roof designs as well as wall applications and weighs 135gsm and comes in a beautiful blue colour. This product is a great investment as it is water repellent and has good UV stability. It is also very durable as it is resistant to tearing which ensures constant protection of your roof. This product is also BBA certified for roofs as well as walls and is flame retardant to Class E.

The Powerlon UltraPerm Premium Underlay – 50m x 1m will give you peace of mind as it has been tested to the latest BS 5534:2014+A1: 2015 standards. This product is a great choice if you’re carrying out DIY work as its purchase comes with instructions on how to install it and explanations of its suitability.

Powerlon UltraPerm is a range of high performance breathable underlays for all pitched roof designs and wall applications (timber frame). It is tough, durable and tear resistant with exceptional water vapour permeability and hydrophobic (water repellent) characteristics.

Each roll is supplied fully comprehensive label with detailed installation instructions and a colour-coded map for geographical suitability per wind zone and membrane grade.

Powerlon UltraPerm is a non-woven composite membrane available with and without integrated self-adhesive strips. With preprinted marking lines for both roof pitch and overlaps for supported and unsupported roofs. This makes installation quicker and easier.

Features & Benefits:

  • Non-woven composite high-performance underlay
  • Tough, durable and tear resistant
  • BBA certified for roofs and walls
  • CE Marking
  • Tested to the latest BS 5534:2014+A1:2015 standards
  • Exceptional water vapour permeability
  • Water repellent with good UV stability 
  • Choice of five grades
  • Customised printing available 
  • Flame retardant to Class E

Product Specification:

  • Weight: 135gsm
  • Colour: Blue
  • Standard Sizes: 1.0 x 50m, 1.5 x 50m


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27649974791

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Kindle Customer
Carnegie, US
★★★★★ 4
Well made and perform well, a little constricting
Size: Medium, Color: Black Assortment (6-pairs)
These socks definitely keep most of the moisture away from my feet, even in wet conditions, which is why I bought them. I am diabetic, though, and the recommendation is to wear socks that don't constrict at any point. These have a tight band around the opening that while it is not uncomfortable on, leaves a mark when I take them off. So far it's been ok, but if you have any kind of swelling in your feet or ankles these would probably not be the best. My foot measures size 8 and I wear size 9 Brooks running shoes. The socks fit me just right but based on the size of the opening and the overall length, I wouldn't think they would fit anyone more than a size larger. Overall well made and perform well as you would expect from this brand.
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Reviewed in the United States on July 20, 2018
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Halle
Lowell, US
★★★★★ 5
long lasting!
Size: Medium, Color: Black/Assorted
literally my favorite sock i will buy forever. they just started busting through after 6 years and i wear them a lot
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Reviewed in the United States on November 13, 2025
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David
Boise, US
★★★★★ 5
Good quality
Size: Medium, Color: Black/Assorted
Comfy and sturdy
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Reviewed in the United States on January 27, 2025
B
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Brooke
Belleville, US
★★★★★ 5
Favorite socks
Size: Medium, Color: Black/Assorted
These are my go to socks! Love these. Great towards sweat and different weather temperatures. Mostly use for working out and love them. Will be getting more!
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Reviewed in the United States on April 9, 2024
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LC
Lexington, US
★★★★★ 5
LOVE THEM!!
Size: Small, Color: (001) Black / Black / Castlerock
LOVE! These socks are so comfortable! I wear a 5 in women's and a 3 in big kid shoes. The small fit me perfectly. I see where some say they run small but I can't say that was an issue for me. They are "snug" but thats what you want with a no show sock. I feel they have support vs the ones i used to buy at Walmart. They are very soft! I am actually buying more today and throwing my other ones in the trash!
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Reviewed in the United States on February 18, 2026

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