RB 320 DESCRIPTION Grants RB 320 is a white rubber modified, cement based tile adhesive designed for internal and external applications. Can be used for ceramic, porcelain and vitrified tiles. Grants RB 320 can be used for tiling over tiles as long as the existing tiles have been primed with Grants PR 100 neat.
CLASSIFICATION C2 - Improved adhesion S1 - Flexible T - Non slump E - Extended open time
SUBSTRATES Concrete render, rendered brick work, plaster board, fibre cement, National Tiles approved waterproofing membranes.
MIXING
SURFACE PREPERATION
Mix 5.5-6 litres of water to 20kg of Grants RB 320.
The surface must be clean, dry, firm and free of dust oil,
Mix with a mixing paddle until a creamy consistency is
grease, wax and curing compounds.
achieved, and powder is free of lumps. Allow mixture to
The substrates must be installed according to the relevant standards and manufacturer recommendations. • All porous surfaces must be primed with Grants PR 100 Primer - 3 parts water to one part primer.
stand for 3 minutes, remix then use the adhesive.
MOVEMENT JOINTS Movement joints must be in accordance with Australian Standards AS 3958-2023
• For non-porous surfaces such as existing tiles, it must be primed using Grants PR 100 Primer neat. For more information not listed, please contact National Tiles for further information.
FLEXIBILITY:
ADHESION STRENGTH: No rating
C2 Best
C1 Better
EXTENDED WORKING TIME WITH ADHESIVE: No rating Ok
Extended Open Time
1300 733 000
No rating
S1 Better
S2 Best
NON SLUMP: No rating Ok
T - Anti-Slump