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Bayonet Pauloid Synthetic Self Support


  • Roofing

Bayonet Pauloid Synthetic SS Roof Underlay is your essential second line of defence against moisture and drafts.

Bayonet’s Pauloid Synthetic Roof Underlay consists of a micro-porous water-resistant film, laminated to two layers of non-woven spun-bonded polyolefin. It’s black on the top face, white on the bottom face and is printed with handy laying lines.

Fully self-supporting down to 10 degrees, there’s no need for netting – just attach it directly to your timber or steel framing. Can be used under any roof cladding and also provides temporary protection against the weather before you get your wall cladding or roofing material up.


  • Versatile
    • Can use on timber and steel framed buildings.
    • Use with masonry tile, metal tile and profiled metal roof cladding.
  • Durable
    • Anti-microbial and will not rot.
    • Stronger and more resistant to shrinkage than conventional self-supporting kraft paper underlays.
  • Efficient
    • Spans up to 1200mm centres without support on roofs 10 degrees and above.
  • Breathable
    • Breathable water-resistant film reduces the risk of condensation when compared with conventional kraft papers.


Bayonet Pauloid Synthetic Self Support

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SKU Roll Height (mm) Roll Length (Lineal M) Total (m2) Weight (kg)
PSSS150050 150034509
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Pauloid Synthetic Roof Underlay Technical Data Sheet


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