Refractory mastic

Surface preparation :

• Make sure the surfaces to be assembled or repaired are clean, dry and free of dust, grease or any other contaminants.

Application :

• Cut off the end of the cartridge and screw on the applicator tip supplied.
• Insert the cartridge into a suitable extruder gun.
• Apply the sealant to the prepared surface, ensuring that any cracks or joints are completely filled.
• The recommended joint thickness is 2 mm.
• For thicker joints, apply the mastic in several coats, respecting the drying time between each coat.

Assembly :

• Assemble the masonry units or fill cracks immediately after applying the sealant.
• Maintain sufficient pressure to ensure good contact and optimum adhesion.

Drying :

• Let the mastic to dry for 48 hours at room temperature to ensure complete curing.

Putting into service :

• After complete drying, gradually expose the repaired area to heat to avoid thermal shock.

Precautions for use :

• Use indoors only.
• Clean tools and fresh stains with hot water.
• Store the product away from frost and heat.
• Wear protective gloves during application to avoid skin contact.
• In the event of contact with eyes, rinse immediately with plenty of clean water and seek medical advice.

By following these instructions, you will ensure effective, long-lasting application of Pyrofeu refractory mastic for your heating appliance installation and repair work.