Mapeflex Firestop 1200°C is a refractory grout suitable for chimneys, furnaces, radiators, barbecues, flues and fire break walls. It is ideal for pointing joints and bedding refractory bricks. Specifically made for rigidly blending and filling voids and gaps in pre-manufactured elements in contact with flames or at working temperatures up to 1200°C.
Refractory grout. TECHNICAL DATA: Workability time: 6’ (+23°C, 50% R.H.). Final hardening time: 4 mm / 24 hours. Colours: grey. Application: extrusion gun, trowel. Consumption: 3.0 meters per 300 ml cartridge (10x10 mm section). Packaging: 300 ml cartridge.
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The calculation is based on the actual volume to be filled and the product density.
The provided data should be considered indicative and for estimation purposes only, as certain factors that may still affect the actual consumption cannot be considered (for example, tile roughness, excess residual product, surface irregularities, etc.).
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Elastic joint design
a - width of joint
from 0 to 4 [mm]
from 5 to 9 [mm]
from 10 to 20 [mm]
from 21 to 40 [mm]
greater than 40 [mm]
b - depth of joint
increase the width of the joint
b = a
b = 10 [mm]
b = a/2[mm]
reduce the width of the joint
To set the depth of the joint and prevent sealant adhering to the bottom, insert MAPEFOAM closed-cell, extruded foam polyethylene cord, supplied in rolls in various lengths according to the diameter of the cord, down into the joint.