Verified by manufacturer 3 months ago
PFC Corofil Open State Insert COSI is designed for use with the PFC Corofil Open State Barrier COSB 25 (1024).
PFC Corofil Open State Insert COSI is adhered to the inner face of the cassette panel using PFC Corofil Fire Resistant Silicone Sealant and should finish flush with the face of the cassette panel facing into the void and allows the intumescent open state barrier to maintain a continuous air gap at the back of the panel without the need to notch around the panel joints.
PFC Corofil Open State Insert COSI is a 150mm wide strip of 110 kg/m³ density, non-combustible stone wool, the thickness required is dependent on the depth of the cassette panel (up to 31mm deep).
Features and benefits:
• Tested to the general principles of EN 1363-1 and in accordance with ASFP TGD 19
• Manufactured from the same stone wool as PFC Corofil Open State Barrier COSB 25 (1024)
• Suitable for cavity widths between 90mm and 300mm
Fire resistance: 90/30 integrity/insulation to EN 1363-1 and ASFP TGD19.
Cavity width: 90 mm.
Fire resistance: 45/30 integrity/insulation to EN 1363-1 and ASFP TGD19.
Cavity widths: 91 mm to 300 mm.