Grout joints, caulks and sealants ARDEX G7 Flex - Flexible grout for tile grouting and tiling €36.40 Flexible grout for grouting tiles and floor screeds. Used for filling, sealing, grouting or grouting joints from 2 to 15mm. Passable after 90 minutes. Exterior and interior. Colors: Grey, Silver Grey, Cement Grey, Basalt. Complies with EN 13888 CG2 WA. EC1 Very low emissions. View