Pro-Joists are a secondary line of defense to prevent any moisture entering the building where cantilever joists penetrate the wall underlay. Pro Joists are manufactured from UV stabilised polypropylene.
- Available to suit single (47mm) or double (94) timber joists
- Can be trimmed on site to suit depth joists of up to 250mm
- Will not crack of corrode
- No laps, rivots or joins
- BRANZ Appraised