Unilin Safe-R SR/PR



High performance rigid phenolic pitched roof insulation board

Suitable for use in warm roof applications, installed over, between or under pitched roof rafters.

Includes low emissivity aluminium foil facings giving improved thermal insulation performance within cavity air spaces.

Light weight; easy to cut and install.

Can be used to improve reliable long-term energy savings for buildings.

BBA certified.

Thicknesses and Availability:

Good availability for delivery to London; short lead-times may apply if we need to get stock in before delivering to site.

This Safe-R SR/PR Range includes the following readily available product thicknesses: 25mm, 40mm, 50mm, 60mm, 75mm, 80mm, 100mm and 120mm.

Product options

Quantity Product ex-VAT inc-VAT  
£342.96 £411.55
£261.38 £313.66
£264.32 £317.18
£262.78 £315.34
£261.12 £313.34
£277.74 £333.29
£337.71 £405.25
£307.86 £369.43
£6.67 £8.00

Availability Indicators

Unilin Safe-R SR/PR is available for delivery within the London, M25 area only and is subject to the Unilin Insulation minimum order levels and delivery charge thresholds.

Reasonable stock levels are held of the popular thicknesses, where products need to be brought in from Unilin, please allow approx. 1 week for delivery.

  • Generally 1 to 3 working days for delivery
  • Generally 1 to 5 working days for delivery
  • Generally 5 to 10 working days for delivery
  • Special request or made to order item, allow extended lead times. Minimum order levels may apply.
  • Please call to check availability and approximate lead times

Delivery charges will be calculated at check-out. Please visit our Ordering From Us page for further details on minimum order levels and delivery charges. If you have any queries, please do not hesitate to contact me via our Contact Form or on 01903 899 898.

Product Application

Pitched roof insulation board

Unilins high performance phenolic foam board, Safe-R SR/PR, is suitable for use in pitched roof applications, over, between and under rafter applications as well as dwarf walls.

Product Make-up

Core: Unilin Safe-R SR/PR is manufactured from rigid phenolic foam boards.

Facings: Faced on both sides with a low emissivity composite aluminium foil, autohesively bonded to the insulation core during manufacture.

Product Properties

Thickness 25mm to 120mm
Length 2.4m
Width 1.2m
Edge Square

Product Performance

Thermal Conductivity 0.023 W/mK (insulant thickness > 50 mm)
0.021 W/mK (insulant thickness 50 – 99 mm)
0.020 W/mK (insulant thickness ≥ 100 mm) W/mK
Compressive Strength 120 kPa at 10% compression BS EN 826:2013
Vapour Resistance > 150 MNs/gm  
Nominal Density 32 kg/m³  

Product Variants

Product Thickness Thermal Resistance kg/m²
Unilin Safe-R SR/PR 25 mm 1.05 m²K/W 2.53 kg/m²
Unilin Safe-R SR/PR 40 mm 1.70 m²K/W 4.06 kg/m²
Unilin Safe-R SR/PR 50 mm 2.35 m²K/W 5.10 kg/m²
Unilin Safe-R SR/PR 60 mm 2.85 m²K/W 6.39 kg/m²
Unilin Safe-R SR/PR 75 mm 3.55 m²K/W 8.04 kg/m²
Unilin Safe-R SR/PR 80 mm 3.80 m²K/W 8.58 kg/m²
Unilin Safe-R SR/PR 100 mm 5.00 m²K/W 10.40 kg/m²
Unilin Safe-R SR/PR 120 mm 6.00 m²K/W 12.47 kg/m²

While we have provided Thermal Resistance values for all thicknesses on the Unilin Safe-R SR/PR datasheet, some thicknesses may not be readily available.