Mapei Mapeflex Firestop 1200°C High Temperature Grout Grey 300ml (25153)

Mapeflex Firestop 1200°C is a one-component, asbestos-free, quick-setting, rigid, silicate refractory fire resistant sealing grout, high temperatures and fumes. Ideal for making rigid seals in chimneys, ovens, radiators, barbeques, flues. Also suitable for pointing or for installation layers on refractory bricks when building or carrying out maintenance work on elements in continuous, permanent contact with flames or heat up to +1200°C, with temporary peak temperatures up to +1600°C. Some application examples Rigid grouting of joints, for missing areas and installation layers for new elements in contact with flames or at very high temperatures when in service. It is most frequently used for the following applications: • ovens; • chimneys; • radiators; • barbeques; • flues. Bonds to all porous, absorbent substrates after the contact surface has been cleaned and dampened with water.

Mapei Mapeflex Firestop 1200°C High Temperature Grout would not be suitable for this application as it is classed as a refractory mortar designed to fill joints between porous brickwork.

The drying time for Mapei Mapeflex Firestop 1200°C High Temperature Grout Grey 300ml varied on its thickness. The product will form a skin in approx. 5-10 minutes but eh drying time is based on: Hardening rate: 4-5 mm/24 hours

Unfortunately Mapei Mapeflex Firestop 1200°C High Temperature Grout Grey 300ml is a refractory mortar and it will not adhere around glass or metal. For this particular application we do not have a product stocked at ScrewFix which we can recommend. We would suggest you speak to ScrewFix for further assistance.

Mapei Mapeflex Firestop 1200°C High Temperature Grout is only designed as a refectory mortar in dry or sheltered areas, this product can be washed out by water ingress and rainfall.