Covertek 401 - Synthetic Self-Supporting Roof & Wall Underlay

Covertek 401, Branz appraised, self supporting.  Designed to keep water out and allow moisture to escape.  Covertek 401 is a more affordable option if you project does not require a fire retardant underlay.

Min pitch is 3 degrees for roofing applications.

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.