SikaCeram-621 FlowFix is a ready to use (just add water), flowable joint filling and grouting compound. It is fast to use and delivers exceptional bond strength - perfect for grouting large areas with joints 3-10 mm wide.

• For use with porcelain or ceramic paving
• Simple and fast application - ideal for large scale areas
• Suitable for joints 3-10 mm wide and at least 20 mm deep

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• Features & Benefits
• Product Data
• Application Information
• Application Instructions
• Limitations

Features & Benefits

• Fast setting with exceptional bond strength
• Simply squeegee into joints for fast and effective application
• Cures in 60 minutes to a non-permeable finish
• Suitable for vehicular traffic
• Can be applied to wet or dry surfaces
• Can be used internally or externally

Product Data

Application Information

Application Instructions

Substrate Quality/Pre-Treatment

• Ensure tiles are sound, clean and dust free
• The joints must be clear of material
• Recommended - the use of SikaCeram-62 Bonding Primer to ensure good bond strength between the tile and mortar bed
• The tiled area should be stable and secure
• There must be no standing water
• The joints must be between 3-10 mm wide with a depth of at least 20 mm

Mixing

• Mix contents of the bag (20 kg) with 3.2 litres of clean water using a drill and spiral action mixer
• Always add powder to water
• Mix for approx. 3 minutes until a smooth, lump free flowable mortar results
• Do not overmix or create excessive air bubbles with- in the product
• Do not mix more product than can be used with 20 minutes

Application

• Pour SikaCeram-621 FlowFix Jointing Compound in- to the joints immediately after mixing
• Using a squeegee work SikaCeram-621 FlowFix Jointing Compound across the tiled area ensuring all joints are filled
• Add more product to joints as required
• Leave for 20-30 minutes before cleaning

Cleaning Of Tools

• Remove product residue from the tiled surface using a sponge float with clean fresh water
• Any tough areas should be scrubbed with a stiff brush then washed away once the mortar has begun to cure
• Do not brush over joints
• Once the mortar has sufficiently set, the tiled area can be polished using a dry soft cloth to remove any final mortar residues
• Ensure there is no residue of product left on the tiled surface

Limitations

• Only apply when surface and air temperature is between 5 to 25 °C
• Do not apply in heavy rain or if heavy rain is likely within 3 hours
• Do not add further water to the product once mixed.
• Do not try to reconstitute
• Avoid brushing joints within 24 hours of application to avoid a poor finish