Bayonet’s Kiwi-made BayoWrap Bituminous Roof 01 Roof Underlay is your essential second line of defence against moisture and drafts.
Designed for ease of use, our Bayonet’s BayoWrap Bituminous Roof 01 underlay is fully self-supporting down to 10 degrees. Can be used under any roof cladding material with no need for netting – simply attach it directly to your timber or steel framing. It can also provide temporary protection against the weather before you get your wall cladding or roofing material up.
We are introducing a product weight option in black bituminous paper, now with the selection of our industry leading 290GSM and our new lighter 254GSM.
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