More Information
An alternative to 1F felt, Sepa Light is Klober's non-breathable roof underlay for traditional ventilation. The high-resistant membrane is a strong and lightweight three-layer roof underlay for ventilated pitched roofs. Sepa Light has an absorbent inner layer as recommended in BS 5250 and high tensile and nail tear strength.
Specifications
Technical Data
Wind zones BS5534 2014 Annex A
Zones 1-2
Packaging
Number of Pieces per Carton/Pack
1
Number of Pieces per Pallet
42
Installation
- Sepa Light should be laid in accordance with BS5534
- An unsupported underlay should provide a drape between rafters sufficient to ensure that water will run away from the batten fixing nail penetrations allowing draining from the eaves gutter
- Contact between the membrane and the roof covering should be avoided during and after installation
- Should be laid with a maximum drape of 15mm
- An underlay support tray should be used at eaves to avoid ponding behind the fascia board and to provide a drip into the guttering
Area of application
- Suitable for use on ventilated pitched roofs
- Often recommended with fibre cement roof coverings
- Wind zones 1-2 with batterned headlap
Standards and Certifications