Type-R Fire Stop – Specific Size

Rigid Fire Rated Cavity Closer System

Type R Fire Stop cavity closer has been specifically designed to create a more waterproof & fire rated cavity closer system, available in widths of 50mm to 300mm fire rated or standard versions. Type R Fire Stop comprises two rigid PVC extrusions, one of which has a flexible water seal and a mineral wool core. Once the window is in place the flexible seal sits against the window frame and acts as a secondary water seal.

Type R has the following fire rating: 60 minutes – 50mm – 100mm & 30 minutes – 100mm to 150mm.

typer_wall type-r-firestop

This product is suitable for masonry and timber frame walls and offers the following major benefits:

  • Incorporates a Secondary Weather Seal
  • Suitable for First and Second Fix
  • Fire Rated
  • Meets Building Regulations Minimal Thermal Resistance

Type R Fire Stop has been independently tested and certified to the latest Industry Standards, including BDA Kiwa certificate of Agrément.
At YBS Insulation we pride ourselves on providing the highest level of support to our customers, and we achieve this via product specification, project support, U-value or condensation risk calculations.
Contact us today to discuss the different profile options available with Type R Fire Stop and which would suit your requirements best.

Type-R Fire Stop Profiles

50 – 300mm Width (Standard)


50 – 300mm Width (Check Reveal)