Our Technology
DampBlock™ AQ50
Aqueous-based DPC injection resin that creates a permanent damp proof course inside your walls — without removing a single brick.
Our Technology
DampBlock™ AQ50
Aqueous-based DPC injection resin that creates a permanent damp proof course inside your walls — without removing a single brick.
The resin that stops rising damp for good
DampBlock™ AQ50 is Buildfix's DPC injection system — an aqueous emulsion enriched with multifunctional siloxanes, injected directly into the centre of the brick to create a permanent new damp proof course inside the wall. It's the technology behind Buildfix's damp proofing and salt damp repair solutions. Not just the mortar joint — the whole brick is treated. No bricks removed. No major disruption. Done in a single day.
Not a petrochemical solvent like the older chemical DPCs. DampBlock™ AQ50 is completely odourless, non-toxic, and non-flammable — zero VOC, zero ODP, zero GWP. The resin is injected at close intervals into the centre of each brick, spreads through the masonry’s natural capillaries, and cures to form an impermeable barrier. Moisture from the ground can no longer rise. Salt crystallisation stops. Walls begin to dry out naturally.
Damp patches at the base of your walls?
Get your walls tested for moisture. It’s free, and you’ll know exactly what’s causing the damp.
Behind the performance
Tap any spec to learn what it means for your home.
Siloxane Emulsion
Material
In plain English: a silicone-based resin carried in water. Injected into the centre of each brick — not the mortar joint — so the entire brick becomes damp proof. It cures to form a permanent moisture barrier inside the masonry. No petrochemical solvents. No toxic fumes.
Behind the performance
Tap any spec to learn what it means for your home.
Siloxane Emulsion
Material
In plain English: a silicone-based resin carried in water. Injected into the centre of each brick — not the mortar joint — so the entire brick becomes damp proof. It cures to form a permanent moisture barrier inside the masonry. No petrochemical solvents. No toxic fumes.
Rising damp blocked.
Guaranteed to last.
What makes DampBlock™ AQ50 different from older chemical DPCs.
DampBlock™ AQ50 is injected through small holes in the mortar and spreads through the masonry’s capillaries under mechanical pressure. It cures into a solid, permanent DPC — not a chemical coating that degrades over time. No digging, no wall cutting. Done in a single day.
Damp patches that keep coming back? Get your walls tested for moisture. It's free, and you'll know exactly what's causing the damp.
Real homes. Real repairs.
Rising damp treated and walls restored with DampBlock™ AQ50 DPC injection.
HomeownerMosman, NSW
Fresh Tuckpointing Fell Out in Months
Spent money on tuckpointing only to watch the mortar fail again? That’s usually a sign the wall is wet from within — and no amount of repointing will fix it. Book a free damp assessment and find out what’s really going on.
HomeownerStrathfield, NSW
Heritage Home Repaired Twice, Same Team
When new cracks appeared in this 150-year-old Strathfield home, the owner didn’t hesitate — they called Buildfix again. Buildfix had already fixed the front of the house years earlier. This time, the team tackled the rear.
HomeownerStanmore, NSW
Terrace Walls Dried Out Without a Trench
Own a terrace in the inner west? Rising damp is one of the most common problems in homes of this age — and excavation is rarely an option. Book a free damp assessment and find out what’s happening inside your walls.
HomeownerFrenchs Forest, NSW
Damp Attacking From Both Sides
Damp damage showing on both internal and external walls? That means moisture has saturated the full wall — and neither repainting nor re-rendering will stop it. Book a free damp assessment.
StrataAshgrove, QLD
Crumbling Bricks No Bricklayer Could Fix
Strata committee dealing with crumbling brickwork that no tradesperson seems able to fix? The problem might not be the bricks — it might be what’s happening behind them. Book a free damp assessment for your building.
HomeownerPrestons, NSW
Rising Damp in Both Balcony Pillars
Rising damp in brick pillars, piers, or columns? The damage accelerates faster in exposed masonry — don’t wait for it to reach the top. Book a free damp assessment.
“All of the Buildfix team have been easy to communicate with. Everyone was punctual and communicated arrival times well ahead of arrival.”
Scott HolmesMelbourne, VIC
“All of the Buildfix team have been easy to communicate with. Everyone was punctual and communicated arrival times well ahead of arrival.”
Scott HolmesMelbourne, VIC
“All of the Buildfix team have been easy to communicate with. Everyone was punctual and communicated arrival times well ahead of arrival.”
Scott HolmesMelbourne, VIC
“All of the Buildfix team have been easy to communicate with. Everyone was punctual and communicated arrival times well ahead of arrival.”
Scott HolmesMelbourne, VIC
Questions?
Our team is here to answer any questions you may have Monday – Friday 8am to 4pm AEST. Give us a call on 1300 854 115.
