Klober - An alternative to 1F felt, Sepa Light is Klober's non-breathable roof underlay for traditional ventilation, suitable for ventilated pitched roofs.. ✓ Strong and lightweight alternative to traditional 1F felt ✓
![Non-Bitumen Coated Roofing Membranes (formerly BRMs) - Buildings, planning and development - Bat Conservation Trust Non-Bitumen Coated Roofing Membranes (formerly BRMs) - Buildings, planning and development - Bat Conservation Trust](https://cdn.bats.org.uk/uploads/images/Tangled-bat-BRM-Credit-Dave-Anderson.jpg?v=1614857529)
Non-Bitumen Coated Roofing Membranes (formerly BRMs) - Buildings, planning and development - Bat Conservation Trust
![Roof repair - can I use torch-on felt nailed only, as underlay (instead of 1f)? - Roofing, Tiling & Slating - BuildHub.org.uk Roof repair - can I use torch-on felt nailed only, as underlay (instead of 1f)? - Roofing, Tiling & Slating - BuildHub.org.uk](https://forum.buildhub.org.uk/uploads/monthly_2023_10/IMG_20231001_194412397.jpg.b730bd8f5f09d95960fd26dbf83cc1bf.jpg)