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 components for the system are available from NBT.

house-new-build-roof-pitched Created with Sketch.

System Image

Cross Section of System

  1. Roofing (tiles, slates, tile batten etc.)
  2. Counter battens 50x38mm
  3. NBT ISOROOF or NBT PAVATHERM-PLUS
  4. Rafters fully filled with NBT PAVAFLEX
  5. OSB (support & airtightness)
  6. Service void 25mm - optional (can be insulated for improved performance)
  7. Plasterboard 12.5mm with skim and NBT emulsion paint

Product Downloads

LABC Pitched Roof
131 KB
picture_as_pdfpdf
Pitched Roof Technical Manual
4 MB
picture_as_pdfpdf
Pitched Roof System Sheet
1 MB
picture_as_pdfpdf
Pitched Roof Insulation System BBA Certificate
558 KB
picture_as_pdfpdf

System Performance

u-values
0.26 - 0.10
y-values
0.05 - 0.02
Airtightness
5 - 0.6 @50pa

Components and Accessories for Roof Pitched

1

Isolair

2

Pavaflex-575

3

VHT-R 4.8

4

Pavatape: 75/150

5

Pavabase

6

Ventilation Profiles: Roof Eaves Vent Profiles