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Manthorpe120 LR Breathable Roofing Membrane - 1m x 50m

SKU: GLRU120-10

£48.43 Incl. VAT
£40.36 Ex. VAT

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Estimated Delivery: 2-3 working days


The Manthorpe120 LR breathable roofing underlay is designed to help prevent water and wind-driven snow from entering a building and to reduce wind uplift forces on the roof covering. Due to the low water vapour resistance (LR), It can be used in both ventilated and non-ventilated roof details to combat condensation build-up in the roof space.

Conforming to the requirements of BS 5534 and BS 5250, you will have peace of mind choosing this breather membrane for your new build or refurbishment project.

Why Choose Manthorpe120 LR Breathable Roofing Membrane?

  • Low water vapour resistance to combat roof space condensation
  • BBA Approved
  • Conforms to the requirements of BS 5534 and BS 5250
  • Suitable for both supported and unsupported applications
  • Can be used in both cold and warm roof details
  • For use with discontinuous tile and slate roof coverings on pitched roofs
  • Can be used on new build and refurbishment applications


Product Specification

Size: 50,000 x 1,000 x 0.55mm

Membrane Weight: 120g/m²

Roll Length: 50m

Roll Width: 1m

Water Vapour Resistance: Low (LR)

BBA Certificate No: 22/6441

Material: 3 layer polypropylene composite
Deliveries are made on the basis the customer can accept the goods, or willingness to off load the goods, or having means of mechanical offload, this also applies to heavier items such as pallets etc. All deliveries are made ‘kerbside’ and often it can be at the discretion of the driver. A large majority of deliveries would be made on a large rigid tail-lift vehicle and off loaded via a pallet truck and only on to flat surfaces such as tarmac, concrete and pavers. If you do have restricted access, please contact us prior to placing your order. We will always try to accommodate your needs. If a delivery fails due to access, we reserve the right to make a re-delivery charge. All delivery charges are calculated when checking out. The delivery charges included are for the Mainland UK only and do not apply to the Scottish Highlands, or Isles off the Mainland. Additional charges may apply for deliveries that aren’t classed within the Mainland (this is classed by ourselves, suppliers and couriers) Please contact us on 01752 466151 or Due to the nature of our business model, this can mean your order will be sent via multiple deliveries. Whilst we will make every effort to deliver your goods within the stated/requested time frame, we cannot guarantee availability from the manufacturer or the manufacturer's delivery schedules, so we would recommend the end user not to start/schedule any work until the goods arrive. Due to logistics of various couriers and suppliers we are unable to give times of deliveries. However, please call or email us on the day of the delivery and we will try to get an approximate time. Deliveries can take place from as earlier as 07:30 right up to 18:00 depending on the courier/haulier and taking into account local traffic etc.
You have 14 days from receiving your item(s) to return them should you wish to do so. Please contact us should you wish to arrange a refund/return. Any bespoke items such as cut to size lead, cut to size sheets and coping stones are all made to order and are non-refundable.

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