Flexi
Rockwool multipurpose FlexiA part of the Rockwool SoundPro range, Rockwool ‘Flexi’ is a unique insulation product with a patented flexible edge along one side. This unique Flexi edge is produced using patented technology to ensure a perfect fit is maintained between the product and its supporting framework. This ensures the insulation’s integrity. Flexi is designed for a host of applications where perfect fitting insulation is essential; in walls, partitions, floors and roofs. The ‘Flexi’ edge allows the product to be tightly fitted between timber and metal frames, without the need for cutting or waste.
Patented flexi-edged slab for framed constructions
Advantages
- Patented ‘Flexi’ edge offers accurate fit to all widths
- Will not slump if studs shrink
- Multi-application, fits all typical metal and timber frame spacing
- No waste
- Excellent thermal, acoustic and fire properties
- Easy to handle and install without gaps
Installing Flexi between rafters
- Measure depth and spacing between existing rafters.
- Fit Rockwool Flexi between rafters ensuring a 50mm clear ventilated path is maintained between the roofing felt and insulation.
- Install a vapour control layer (vcl) min 250 gauge, below the insulation stapled to the
underside of therafters, ensuring all joints are lapped and sealed. - Finish with 12.5mm gypsum plasterboard.
| Note! In order to accomodate additional insulation, existing rafters may be extended by screw fixing battens to the underside |
| Note! For the warm roof construction (table 2 on u values page) items 3 and 4 should be omitted |

