New pitched roof

Description

WALLTITE is applied directly to the breathable roofing membrane between timber rafters in tiled or slated pitched roofs.

WALLTITE has a measured water vapour permeability, therefore it does not compromise the performance of any breathable membrane, or the timbers to dry out when subjected to periods of solar radiation.

The system minimises unwanted air leakage and air infiltration.

Certification

BBA Certificate No. 11/4816.

WALLTITE has undergone various performance tests.
Certificates are available on request.

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New pitched roof

Technical data

Specification:

Spray applied polyurethane foam between rafters, directly onto breather membrane

Specification:

Spray applied polyurethane foam between rafters, directly onto breather membrane

NBS clause:

P10 15A

Conforms to:

Part L1A 2010, Appendix A

Average depth:

200mm

U-value:

0.13W/m²K

Condensation risk:

Zero

Ventilation:

Unventilated warm

U-value calculation

Construction details (pitched roof/ceiling at rafter line)

Thickness (mm)

Tiling including batten space

Breather membrane

WALLTITE between rafters

200

Cavity >=25mm, roof (CIBS)

Plasterboard

12.5

Finish plaster

2

U-value

0.13W/m²K

Features and benefits

  • Energy efficiency - the continuous spray leaves a minimal amount of surface area without insulation resulting in some cases, a 30% decrease in thermal transmission and an airtight building envelope of low permeability without the need for supplementary material.
  • Sustainability - sustainable over the life span of the building, WALLTITE can even prolong the buildings life as it protects against premature deterioration of building materials.
  • Design freedom - WALLTITE also provides the specifier with complete design freedom as the spray foam adapts to the shape of the substrate providing an ideal solution for insulating difficult areas such as profiled and curved roofs. The product is self-adhesive and stays fully bonded to the substrate, preventing any possible detachment, common with other types of insulation.
  • Occupier comfort - for building occupiers, WALLTITE makes a significant contribution to a comfortable indoor climate by creating a draft free environment that prevents the infiltration of pollutants, toxins and allergens.
  • Reliability - WALLTITE is only installed by trained professionals approved by BASF in the UK.

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Copyright 2010

New pitched roof - WALLTITE the airtight insulation
BASF The Chemical Company

WALLTITE SPRAY FOAM THERMAL INSULATION