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Henkel Polymastic

Original price Dhs. 180.00 - Original price Dhs. 180.00
Original price
Dhs. 180.00
Dhs. 180.00 - Dhs. 180.00
Current price Dhs. 180.00
Size: 25kg
Color: White

Polymastic is a single component acrylic co-polymer mastic, which is designed for pointing applications. The mastic on curing forms a pliable flexible seal which can accommodate moisture and thermal movements with minimal shrinkage. Polymastic can be used in both horizontal and vertical applications and has a movement accomodation factor (MAF) of ±10%


White/grey (other colors upon request)

Fields of application

– filling of cracks on concrete walls, ceilings, brickworks and masonry

– filling of gaps between plasterboard panels, architraves, skirting boards

– general purpose caulking

– perimeter sealing around window and door frames


Joint preparation All cracks and joint edges must be clean, dry and free from oil, loose particles, cement laitance and other contaminants which may affect the adhesion. A thorough wire brushing, grinding, sand blasting or solvent cleaning may be required to expose a clean and sound substrate. When applied on glazed surfaces like ceramic or terrazzo tiles or porcelain enamel joint surfaces, the glaze should be removed by abrading with sandpaper or wire brush. Usually priming is not required, however on highly absorbent surfaces, dilute Polymastic with water (1:3 by vol.) and prime the joints with it. The primer shall be applied by a brush in a thin coat application and shall be allowed to become tack free prior to the application of the sealant. For obtaining a clean and neat finish, masking tape shall be applied on both the edges of the edges of the joint before the application of the primer or the mastic.



Store in a cool, dry place and keep away from all sources of heat and sunlight. In tropical climates, store in air condition rooms. The shelf life is up to 12 months in unopened conditions and if stored as per recommendations. Excessive exposure to sunlight, humidity and UV will result in the deterioration of the quality of the product and reduce its shelf life.