• Over 6000 productsOver 6000 products
  • Next Day Delivery on orders confirmed before 2pmNext Day Delivery on orders confirmed before 2pm
  • 8 depots for national coverage8 depots for national coverage
Product Information
Technical Datasheet


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.

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.