- APPLICATION INSTRUCTIONS
- ORDER REFERENCES
A circular sleeve with an intumescent lining, designed for setting into concrete. The sleeve will allow any type of cable, pipe etc to pass through. The end caps are fitted with acoustic sponge and Envirograf® fire card for fire, smoke and acoustic protection.
- Installed during the construction process, the product is positioned before concrete is poured- Allows for any type of service to pass through concrete, providing up to 4 hours fire and acoustic protection at the point of penetration
- A long-term solution, allowing fire-rated services to be factored in during the design process of new builds
FIRE TEST PERFORMANCE
Tested to BS476 Parts 20 & 22 (1987), giving up to 4 hours fire protection.
Sound insulation tested to Doc E of UK Building Regulations and BS476 Part 31/1.
Tested at VNE to European Standard EN1363-1 (2000).
Acoustic testing to BS EN ISO 717-1 (1999).
Secure the Envirograf® cast-in sleeve with loops of wire passed through the fitting lugs and through the steel reinforcement mesh before casting. Immediately after casting the concrete, wipe both end caps with a damp cloth to clear any spilled concrete and allow to set in place. Release the end caps by scoring around the rim tape with a sharp knife Remove the end caps. Use a sharp knife to cut the end caps to accommodate services and re-install into the cast-in sleeve to complete the job.
Please use the links below to download relevant information as PDF documents:
|REF||PIPE DIAMETER EXTERNAL|
|Sleeves available in standard lengths: 150mm / 200mm / 250mm / 300mm|
|Other sizes can be made to special order, including square/rectangular versions. Please contact the sales department with details of the sizes you require.|