Sepa Light

Product Code: KU979145-1

An alternative to 1F felt, Sepa Light is Klober's non-breathable roof underlay for traditional ventilation. The high-resistant membrane is strong and lightweight.

  • Strong lightweight alternative to traditional 1F felt
  • Absorbent inner layer as recommended in BS 5250
  • High tensile and nail tear strength
  • 120 g
    Klober Sepa Light Roll
    Klober Sepa Light Non-Breathable Underlay

    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
    Colour
    Grey
    Material
    Polypropylene
    Wind zones BS5534 2014 Annex A
    Zones 1-2
    Fire Rating
    E
    Dimensions and Weights
    Width
    1m
    Length
    45m
    Coverage
    45m2
    Packaging
    Number of Pieces per Carton/Pack
    1
    Number of Carton/Pack on Pallet
    42
    Number of Pieces per Pallet
    42
    Weight per Piece
    5.6 kg
    Weight per Pallet
    235 kg

    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

    10 Year Guarantee
    CE

    Top tips when installing roofing membranes

    When installing roofing membrane products, it’s important that steps are taken to ensure the process is safe and efficient. Here we have compiled seven top tips to think about before you get started...

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