GREENTECH HEATSHIELD B50 Batts are designed to restrict the spread of fire and smoke from one compartment to another where electrical and mechanical services penetrate through fire rated separating walls and floors, and can be used to seal complex large apertures, vertical or horizontal linear gaps and joints.

GREENTECH HEATSHIELD B50 Batts are 50mm thick, high density fire resistant mineral fibre slabs, which are factory pre-coated with GREENTECH HEATSHIELD C100 coating. GREENTECH HEATSHIELD B50 Fire Stop Batts are an extremely versatile and cost effective solution for a wide range of complex fire stop requirements, and are easily installed using basic hand tools. The Batts are simply cut to tightly fit the required size of the aperture and are installed using GREENTECH HEATSHIELD C100 Coating and S500 Acrylic Intumescent Sealant.

GREENTECH HEATSHIELD B50 Batts are 50mm thick and are supplied pre-coated as single sided or double sided, and are available in 2 versions with different coating thicknesses – ST and XT (please refer to technical data sheet for correct product usage).

  • Up to 4 Hrs Fire Resistance.
  • Comprehensively tested and assessed by independent authorities in accordance with EN 1366-3 & 4 :2021 and BS476 pt 20, for up to 4 Hours fire resistance.
  • Suitable for a wide range of applications.
  • Can be used together with other products in the GREENTECH HEATSHIELD range as part of a flexible system for complex fire stop needs.
  • Lightweight and easy handling.
  • Ideal for installation in fire rated walls.

GREENTECH HEATSHIELD B50 Fire Stop Batts are suitable for use in any building which has services penetrating through fire rated compartment walls and floors. These include: Apartment blocks, Hotels, Hospitals, Power Generation Facilities, Education Buildings, Airport Terminals, Shopping Malls, etc. For Installation details please refer to relevant technical data sheets.


When exposed to the elevated temperatures of fire conditions, GREENTECH HEATSHIELD B50 Fire Stop Batts provide excellent thermal performance and insulating properties. They provide a robust insulating barrier and prevent the spread of fire and hot gases from one compartment to another.

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