ShieldFELT ULTRAShield

High Performance Felt Membranes

ULTRAShield is Shield’s BBA Certified felt membrane waterproofing system. It can be used in warm, inverted, hybrid and cold roof scenarios, making a belt and braces system with a life expectancy of in excess of 25 years.

ULTRAShield has been specifically designed, manufactured and certified to provide industry leading performance. The heavy duty, reinforced polyester base to give enhanced durability and usability. The SBS modified compound has been tested and certified by the BBA to withstand extreme weather, mechanical stress and building movement all whilst also achieving a Broof(t4) reaction to fire.

Shield Membrane felts are, as standard, supplied with a thermofusible sacrificial film on the reverse to accurately gauge the correct amount of heat applied to the underside for the best possible bond and bleed, but a sanded finish is also available. While the cap sheets layer has heavy duty mineral chippings embedded into the upper surface to guard against solar degradation, with a choice of mineral colours available on request.

Our industry leading management team have extensive experience within design and installation to allow us to specify the correct products to suit any scenario. When installed correctly this product has a life expectancy in excess of 25 years.


Polyester base

POL25f/s Vapour Control Layer – 2.5kg/m2 – Polyester Base 1m x 16m

POL45f/s Intermediate Layer – 4.5kg/m2 – Polyester Base – 1m x 8m

POL55m Mineral Capsheet – 5.5kg/m2 – Polyester Base – 1m x 8m

  • BBA Certified system
  • Broof(t4) reaction to fire
  • CE certified
  • SBS modified
  • Ultra high performance
  • Wide range of uses
  • High quality reinforced polyester base to improve durability
  • Certified as effective down to -15°C

You’re protected with Shield on your side

Shield Membranes Limited’s strength is in the variety of it’s system ranges and services, all products relating to external waterproofing and finishing are available through us. Shield is the first new UK based entity to venture into the felt membrane manufacturing industry industry for 30-years. Based in Corby, this gives us a centralised location giving us great supply links to all our distributors and installers nationwide.