Intufire Acrylic sealant is a waterborne one-part fire-resistant and acoustic rated joint sealant which provides a firm, yet flexible seal to joints in a wide variety of fire-rated structures where fire resistance up to 4 hours is required. Tested to BS 476 Part 20 and BS EN 13666-3 for fire resistance and tested in accordance with BS EN ISO 140-3:1995 for acoustic performance. Conforms to ISO 11600 F-12.5-P.
Ideal for sealing fire rated ducting; joints, voids and irregular holes in fire walls, partitions, door architraves, service penetrations, floors and other structures. Bedding of hinges and locks in fire doors. Perimeter sealing of internal, fire rated screens, partitions, service penetrations and door or window frames. Provides good adhesion to timber, plasterboard, masonry, blockwork, plaster and concrete. To maintain integrity when sealing around pipes, services and cables.
Application temperature range: +5°C to +30°C.
Curing rate: No curing reaction takes place. Dries through evaporation.
Shelf life: 12 months (DO NOT STORE BELOW 5°C).
Skinning time: skin forms within 25 minutes at 20°C @ 65% RH.
Tack Free: 75 minutes
Working time: 5 minutes
Joint design: Please consult the Technical Information Sheet entitled ‘Joint design for cartridge based products’ prior to application.
Surface preparation: All surfaces must be clean, dry and free from frost, grease and loose materials. In situations where an especially neat finish is required, use masking tape to cover the face edges of the joint and remove immediately once tooling has been completed. Cut the tip of the screw thread off the cartridge and screw onto the nozzle. Cut nozzle to the correct diameter for the joint size, apply using a skeleton gun. Gun sealant into joints ensuring there are no voids or gaps and that the sealant is in full contact with both joint surfaces.
Tooling: Tool immediately after sealant has been applied within the working time for the product. A degree of shrinkage will occur on drying. Where a flush finish is required, it is recommended that the joint be filled/tooled slightly proud to compensate
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