iTP FlameOut Block FR product image iTP FlameOut Block FR

FlameOut Block FR

Flame Retardant Vapour Control Layer.

Flame Retardant Vapour Control Layer (VCL) for all roof and wall applications.

Reinforced polyethylene-based membrane using flame retardant materials.

Flame retardant materials are self-extinguishing, resistant to catching fire, reduce flammability, and inhibit, suppress or delay the production of flames.

Impermeable air barrier to increase air-tightness and increases energy efficiency within the building envelope.

Class B fire rating.


Available for delivery direct from the manufacturer with an approx. lead time of 2-3 days.

Product Information

General information about FlameOut Block FR

Product Application

Fire Retardant vapour control layer for roof and wall applications

iTP's flame retardant vapour control membrane, FlameOut Block FR, is suitable for use in all roof and wall applications.

Product Make-up


FlameOut Block FR is a reinforced vapour control membrane made from fire retardant materials.

Product Properties

FlameOut Block FR FlameOut Block FR Plus
Colour Milky White Milky White
Weight 140 g/m² 210 g/m²
Roll Length 50m 50m
Roll Width 2m 2m

Product Prices

Buy FlameOut Block FR

These items are shipped direct to site from the manufacturer. Additional delivery charges will apply and will depend whether you require a next day (£25.00 + VAT) or 2-3 day service (£20.00 + VAT) charges will be added manually after the order is placed. Please Click Here for further details, or contact me to discuss your requirements so that I can provide you with an accurate cost.

Product ex-VAT inc-VAT
iTP FlameOut Block FR, 2x50m = 100m² £97.18 £116.61
iTP FlameOut Block FR Plus, 2x50m = 100m² £138.99 £166.78
iTP FlameOut Tape 60mm x 25m = 25lm £10.74 £12.88

Reasonable stock levels are held with delivery lead times being around 2-3 working days.

iTP reserves the right to change stocked products - while we will do all we can to keep on top of changes, availability and lead times my vary.

  • Generally 1 or 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

Product Performance and Guides

Product Performance, Manufacturer Downloads, and Installation Guides

Product Performance

For further details on FlameOut Block FR's performance, please see the product datasheet or certificates available on the manufacturers website.

FlameOut Block FR FlameOut Block FR Plus
Tensile Strength MD 500 / XD 500 MD 500 / XD 500
Temperature Range -40 to +70 °C -40 to +70 °C
Water Vapour Resistance > 70 Mns/g > 130 Mns/g
Flame Retardant Class B-S1,d0 Class B-S1,d0
  • * As per EN 13859-2, Clause 5.2.2, in the case of the breather membrane or VCL being used on a supporting structure, further flame retardant testing of the structure may be needed to determine the flame retardancy of the construction due to a possible different flame retardancy of the supporting construction materials (e.g. wood).
  • * FlameOut Block FR and FlameOut Block FR Plus are Class B-s1,d0 when free hanging or directly installed on a supporting substructure with a flame retardant classification of A1 or A2.

Product Certificates

Please visit the iTP website for product certificates.