Reflectashield is a vapour permeable low emissivity membrane for use externally on timber frame buildings. Once Reflectashield TF 0.81 is applied to the walls, the primary wall covering should be installed within 3 months.
The A. Proctor Group are constantly reviewing their product portfolio to keep up with current legislation. The A. Proctor Group have re-tested Reflectashield TF 0.81 at the National Physics Laboratory (NPL) resulting in an uplift of the claimed thermal performance to an R-Value of 0.81m2K/W.
Reflectashield TF 0.81 complies with the vapour resistance requirements set out by BS 4016, TRADA and the NHBC.
Reflectashield TF Roll
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Material Properties
Reflectashield TF
| Property | Test Method | Result |
|---|---|---|
| Roll Sizes | 1.45 x 50 / 2.7 x 100 / 2.9 x 100 m | |
| Mass Per Unit Area | EN 1849-2 | 134 g/m2 |
| Reaction to Fire | EN 11925-2 | E Class |
| Water Vapour Resistance Sd | EN 12572 | 0.083 m |
| Water Penetration - Before & After Ageing | EN 1928 | W2 Class |
| Tensile Strength - Before Ageing - MD | EN 12311-1 | 230 N |
| Tensile Strength - Before Ageing - CD | EN 12311-1 | 150 N |
| Elongation - Before Ageing - MD | EN 12311-1 | 60 % |
| Elongation - Before Ageing - CD | EN 12311-1 | 80 % |
| Elongation - After Ageing - MD | EN 12311-1 | 45 % |
| Elongation - After Ageing - CD | EN 12311-1 | 50 % |
| Nail Tear Resistance - MD | EN 12310-1 | 160 N |
| Nail Tear Resistance - CD | EN 12310-1 | 160 N |
| Flexibility at Low Temperature | EN 1109 | No cracking at minus 40C |
| Thickness | 0.55 mm | |
| Emissivity | BS EN 15976:2011 | 0.05 |
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