| Airtec – Technical Specification/Properties |
| |
Airtec-Single |
Airtec-Double |
| Thermal Resistance |
|
|
| Bubble |
0.125²K/W |
0.125²K/W |
| Cavity |
0.665²K/W |
0.665²K/W |
| Total Thermal Resistance |
0.790m²K/2 |
1.455m²K/2 |
| Environmental |
CFC & HCFC Free |
CFC & HCFC Free |
| Dimensions |
|
|
| Thickness |
4mm |
4mm |
| Width |
1050mm/1200mm/1500mm |
1050mm/1200mm/1500mm |
| Length |
25m roll |
25m roll |
| Airtec Foil Tape |
50m x 75mm (24 rolls per box) |
50m x 75mm (24 rolls per box) |
| Technical Refernce |
- Building Regulations 2000 Approved
Documents L1 & L2.
- Building Standards Part J Sept. 2001
- BRE publication ‘Thermal
Insulation: Avoiding the risks’.
- BRE Paper IP12/94 ‘Assessing
the Condensation Risk and Heat Loss at
Thermal Bridges Around Openings’.
- BS EN ISO 6946
: 1997 Building
components and building elements -
Thermal resistance and thermal
transmittance - Calculation method.
- British Standard
References: BS 5250 Control of Condensation in Buildings.
|
- Emissivity measured by National Physical Laboratory.
- Thermal resistance measured by
Independent Test Laboratories.
- Tested to BS EN 12153:2000 for water tightness and air
permeability.
- Manufactured in the UK and meeting
the requirements of
BS EN ISO 9002.
|
Condensation Risk
Further to calculating the thermal insulation requirements
through a cavity wall, a check should be made for predicting
the risk of condensation within the structure. This should be carried
out using the method described in BS5250:1999.
|
