Dunlop Mastic Multipurpose Tile Adhesive
High performance, cementitious, non-slump tile adhesive designed for walls and floors. Combines the ease of a mastic with the strength of a cement-based adhesive for reliable results on small to large format tiles.
Why choose it
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Non-slump hold for heavy and large format tiles
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Indoor and outdoor use on approved substrates
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Extended open time of up to 30 minutes to position tiles
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Bed thickness up to 10 mm
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White colour for use under light or translucent tiles
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Classification: C2TES1
Suitable tiles
Ceramic, porcelain, mosaics, natural stone that is not moisture sensitive, fully vitrified and translucent tiles.
Suitable substrates
- Render, screeds, concrete
- Plasterboard, fibre cement sheet walls, compressed fibre cement sheet floors
- Ceramic tile underlay
- Existing ceramic tiles indoors (properly prepared)
- Dunlop undertile waterproofing membranes
Where it excels
- Walls needing strong initial grab
- Floors requiring reliable coverage and non-slump
- Large format and deeply keyed tiles where full contact is critical
Coverage guide
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6 mm notch (walls): about 0.5 m² per kg
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10 mm notch (floors): about 0.3 m² per kg
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5 kg bag: up to ~2 m² on walls or ~1.2 m² on floors
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20 kg bag: up to ~10 m² on walls or ~6 m² on floors
Set and grout times
Allow approximately 24 hours at 23°C and 50% RH before grouting and light foot traffic. Dense tiles, cool weather or humid conditions may extend set time.
Mixing
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20 kg bag: 6 to 6.5 L of clean water
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5 kg bag: 1.5 to 1.75 L of clean water
- Mix to a creamy consistency, stand for 5 minutes, then re-mix before use
Application tips
- Follow AS 3958 best practice
- Spread only as much adhesive as can be tiled within the open time
- Press and slide tiles at right angles to the notches to achieve full contact
- Back-butter large or deeply keyed tiles for 100% coverage
- Remove squeeze-out from joints before setting
Not suitable for
- Moisture sensitive natural stone
- Areas under permanent water immersion such as pools
- Timber, metal or any substrates subject to movement
- Application below 5°C
Sizes
5 kg and 20 kg bags.
Clean up
Clean tools with water immediately after use.
Safety
Wear gloves and eye protection. Avoid inhaling dust. Refer to the product SDS and follow all safety directions.
