1.5kg Promafour-HT Joint Filler - Fire Protective Joint Filler

1.5kg Promafour-HT Joint Filler is a creamy putty filler based on a mix of clay and an inorganic binder that can resist temperatures up to 1000C Celsius. It is especially developed for filling and levelling out Promafour fire resistant boards for fireplaces. It can be easily caulked or trowelled, depending on the application. It is used to fill holes of countersunk screw heads, nails and staples and joints between Promafour construction boards. has the same adhesion capacities as a joint filler and can easily be sanded and polished like other traditional finishing products. It is less suitable for plastering large surfaces and filling bigger holes and larger joints.

CHARACTERISTICS

• Ready for use,
• High plasticity of the joint,
• Excellent bonding on masonry and concrete surfaces,
• Permanent high temperature resistance up to 1000 C,
• Can be applied mechanically,
• Can be reused when the container is closed properly after each use,
• The finished surface can be coated with any standard wall paint.
  

APPLICATION

• Fireplaces,
• Promafour construction boards,
• Filling and levelling out of constructions made of refractory boards and similar materials.
  

USAGE

• The surface has to be clean, dry and free from dust,
• Can be easily applied using a spatula or trowel.

Note: Thinner layers up to 1 mm will dry within 2 - 3 hours, Thicker layers from 2 - 3 mm will need 6 - 8 hours to be dry