Covertek 403 - Synthetic Fire-Retardant Roof & Wall Underlay

Covertek 403, Branz appraised, Codemark, fire retardant underlay to manage water vapour transfer and water ingress. Exposure 42 days walls, 7 days roof.  Not self supporting in a roof application.

Not suitable for roof pitches below 10 Degrees.

Can only be used in lined applications. Section E2 of the NZBC defines lining as 'the rigid sheet covering for a wall, ceiling or other interior surface". Must NOT be used in any unlined applications, including but not limited to sheds, warehouses, garages, canopies, soffits and lean-to designs.
Warranty void when used in unlined applications.