If there’s one product that ends up in more tradies’ vans than any other, it’s ADH-44. This premium, flexible, high-strength tile adhesive has earned its reputation as our best-seller — and once you see what it can do, you’ll understand why.
What Makes ADH-44 So Versatile
ADH-44 is a powder mastic-style adhesive built for both wall and floor applications. It works over concrete, sand and cement screeds, green screed, cement render, and fibrous cement sheeting — indoors or out. That means it’s just as at home in a bathroom or kitchen as it is on a deck or veranda.
It also handles most tile types with ease, including large format tiles and porcelain, and it’s rated for laying over existing tiles.
Coverage: one 20kg bag mixes with approximately 6L of clean drinking water and covers 7 square metres using a 10mm notch trowel.
The Features That Set It Apart
ADH-44 carries a full set of performance ratings that translate directly into a better job:
- C2 – High Adhesion Strength, for a bond that holds
- E – Extended Open Time, giving you more working time before it skins
- F – Fast Setting, so you’re not waiting around
- T – Non Slip/Non Slump, so tiles stay put on walls
- S1 – Good Flexibility, with crack-bridging capability up to 1mm
Put together, that’s a tile adhesive that performs on almost any worksite — and thanks to ACT’s Infused Primer Technology (IPT), you generally won’t need to prime the surface first.
How to Mix It
- Measure roughly 6 litres of clean water into a clean bucket per 20kg bag.
- Slowly add the ADH-44 powder into the water.
- Mix with a quality drill and mixing paddle until you get a smooth, lump-free, toothpaste-like consistency.
- Let it sit for 3 minutes, then re-stir.
That’s it — your adhesive is ready to use.
Applying ADH-44
Use the notch trowel size suited to your application and work the adhesive firmly into the substrate for a good bond. It should sit up and hold its shape while wet and tacky, without slumping.
A few things to keep in mind:
- Open time is around 30 minutes at 23°C — if the adhesive skins over before you lay tiles, scrape it off and apply a fresh layer.
- Minimum bed thickness is 2mm for walls and 4mm for floors, depending on tile size.
- Curing time before grouting is a minimum of 7 hours. Impervious substrates — think waterproofing membranes or non-absorbent tiles — will need longer, depending on site conditions and temperature. Always confirm the adhesive has fully set before you grout.
Why It’s Our Best-Seller
ADH-44 earns its top spot for one simple reason: it just works. High quality, genuinely versatile, and straightforward to use on site — it’s a product tradies reach for again and again.
Ready to put it to the test on your next job? Explore ADH-44 here, or look for your nearest distributor here.
