Danelaw LR120 is a high quality low resistance pitched roof underlay for slate and tile roofs 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 our Pitched Roof Underlay
- BBA Approved for use in warm and cold roofs (Certificate number 17/5426)
- 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: DLR120 1.0 – 1.0m x 50m
Product code: DLR120 1.5 – 1.5m x 50m
Hambleside Danelaw offer a range of low resistance underlays and membranes, providing the LR180, which is a heavier weight for added security, as well as the LR120TT which has an integral tape to tape system for effectively sealing horizontal overlaps in moist and dusty conditions.
To learn more about our underlays take a look at our underlay guide, or get in touch with us at techelp@hambleside-danelaw.co.uk.

