Roof Pitched
The system complies with the most stringent of standards – from baseline building regulations through to Passivhaus.
The system is suitable for most external finishing options, including metal, clay and slate tiling. All bold components for the system are available from Unity Lime.
CROSS SECTION OF SYSTEM
- Roofing (tiles, slates, sheeting etc.)
- Min 50mm ventilation one.
– 25mm tiling batten
– 38mm counter batten with PAVAFIX SN BAND - (Optional) Breathable Membrane
- Above Rafter Insulation
– ISOLAIR
– COMBI (Membrane required) - Between Rafter Insulation
– PAVAFLEX
– PAVATEXTIL-P
- Airtightness & Racking (OSB3/DB3.5 MEMBRANE)
– Taped with PAVAFIX - Service void 25mm – optional (can be insulated for improved performance)
- Plaster carrying board + skim
COMPONENTS AND ACCESSORIES FOR ROOF PITCHED
-
ISOLAIR -
PAVAFLEX WOODFIBRE BATTS -
PAVATEXTIL P -
HECO TOPIX – TIMBER FIXINGS -
STRH – TIMBER FIXINGS + WASHERS -
ADB BREATHEABLE MEMBRANE -
DB3.5 INTERNAL AIRTIGHTNESS MEMBRANE -
ISO-BLOCO 600 -
PAVAFIX AIRTIGHTNESS TAPE (60, 20/40, 150) -
PAVAFIX SN BAND – SCREW SEALING TAPE -
PAVATAPE (75, 150) – EXTERNAL AIRTIGHTNESS -
PAVATAPE 12 – MEMBRANE TAPE -
PAVATAPE FLEX – PENETRATION TAPE -
PAVAPRIM PRIMER 1L -
EAVES VENT STRIP – ALUMINIUM 2.5M
SYSTEM PERFORMANCE
u-values
0.26 – 0.10
y-values
0.05 – 0.02
Airtightness
5 – 0.6 @50pa