Danelaw LR135 – Tile & Slate Roofing Underlay

Danelaw LR135 is a high quality medium weight, low resistance roof tile underlay for slate and tile roofs. It is suitable for unsupported applications draped over rafters or fully supported over timber sarking or rigid insulation in compliance with the requirements of BS 5534 Slating and tiling for pitched roofs. Code of Practice and BS5250 Management of moisture in buildings – Code of practice.

Features and Benefits of the LR135 Slate and Tile Underlay

  • BBA Approved for use in warm and cold roofs (Certificate number 17/5425)
  • Durable and resistant to damage from foot traffic
  • UV resistant
  • Temporary weather protection prior to tile or slate fixing
  • Contributes to weathertightness of a completed roof
  • Airtight when sealed for improved energy efficiency

Product Codes and Sizes

Product code: DLR135 1.0 – 1.0m x 50m 
Product code: DLR135 1.5 – 1.5m x 50m

Other Roofing Underlays

Hambleside Danelaw can provide a range of roof tile underlays, some with integral tape and some without.  We offer underlays with a heavier weight such as the LR180 which is suitable for use in wind zones 1-5, as well as lighter weights such as the LR120 which is durable and strong.

To find out more about our underlays, get in touch with us on our contact page, or email techelp@hambleside-danelaw.co.uk.


Danelaw LR135 Roofing Underlay Datasheet
BBA Certificate 17/5425
Danelaw LR135 1 x 50m label and installation recommendations
Danelaw LR135 1.5 x 50m label and installation recommendations
Danelaw LR Breathable Roof Tile Underlays Brochure Jan18
Danelaw Ventilation for Tile and Slate Roofs Product Guide
Danelaw Underlay 135 DOP – Dec 17 Archived
  • Product code
  • Colour
  • Made from
  • Length
  • Width
    1.0m and 1.5

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