About Asian Paints SmartCare SmartCare Hydroloc Xtreme

Interior repainting jobs across Delhi NCR run into the same complaint every monsoon: a wall that looked fine last winter shows a damp patch again, often with a crust of white salt along the skirting. SmartCare Hydroloc Xtreme (product code 1B72) was built for exactly that problem rather than for basements or terraces. It is a single-component, ready-to-use white liquid brushed straight onto plaster, which cures into a breathable, water-tight film. A penetrating additive makes the porous plaster water-repellent, while a separate pore-blocking additive restricts water and salt movement through the substrate — together earning it a 5-bar negative-side hydrostatic rating under ASTM D7088.

It is designed to work as a system, not a standalone fix. Depending on wall condition, application runs a single coat or a diluted-then-neat two-coat regime, always finished with a mandatory putty overcoat — Hydroloc Xtreme is never left as a final surface. It also has real limits Space Arc respects on site: it is not a fix for active leaks or rising groundwater, application is blocked below 10°C or above 90% humidity, and dilution is capped at 10%. Used correctly on genuine dampness-and-efflorescence walls, it folds into a normal repaint cycle instead of becoming a separate trade.

The technical insight

The two additives work in different directions. The penetrating component drives into open plaster pores and coats the pore walls so water beads and drains instead of wicking in; the pore-blocking component then narrows surface pore channels, restricting how much water and dissolved salt can pass through — which is what earns the 5-bar ASTM D7088 rating. Because the film stays vapour-permeable rather than fully sealed, residual moisture already inside the wall can still dry outward, instead of building up behind an impermeable skin and blistering the coating or paint above it. That is also why the putty overcoat is not optional: it protects the thin functional film, and the warranty covers the coat-plus-putty system, not the base coat alone.

Where it is used

• Interior plaster walls with patchy, non-active dampness before repainting
• Walls showing efflorescence (white salt bloom) near skirtings and corners
• Bathroom-adjacent bedroom or passage walls absorbing moisture from next door
• Shared party walls re-triggered by a neighbouring unit’s seepage
• Newly plastered interior walls ahead of putty and paint
• Renovation or repaint projects in older Delhi NCR flats with a damp history
• Wall sections below window sills showing seasonal seepage tracking indoors
• Non-submerged storeroom or basement interior walls, once leaks are closed off

Key advantages

• Single-component and ready-to-use, no on-site mixing errors
• Rated to resist 5 bar negative-side hydrostatic pressure under ASTM D7088
• Breathable film, less prone to blistering from trapped vapour
• Applicable on substrates up to 90% moisture, cutting the dry-out wait
• Documented 5-year warranty on dampness and efflorescence, not just a claim
• Simple brush application, no spray rig or specialist tooling needed
• Fits directly into a normal putty-and-paint workflow
• No added lead, mercury or chromium compounds

Limitations & considerations

• Interior use only, not for exterior facades, terraces or submerged conditions
• Will not fix active leaks or rising groundwater; source must be repaired first
• Requires a specific compatible putty overcoat; hand-made or Lambi putty is ruled out
• Application is weather-gated: not below 10°C or above 90% relative humidity
• A thin film, not a crack-bridging membrane; cracks over 3mm need separate repair first
• Warranty covers dampness and efflorescence on plaster only, not a full waterproofing survey

Selection & best practice

Specifications

Industry use cases

How we position Asian Paints SmartCare SmartCare Hydroloc Xtreme

Hydroloc Xtreme sits alongside the rest of the SmartCare waterproofing line rather than replacing it: SmartCare Damp Proof Ultra and Damp Block 2K cover exterior walls and terraces, SmartCare Crack Seal handles crack repair ahead of it, and the compatible Trucare and SmartCare putty range completes the mandatory overcoat, so one Space Arc job can cover diagnosis, treatment and finish together. In the open market, the closest like-for-like competitor for this interior dampness-and-efflorescence category is Pidilite’s Dr. Fixit range, which some specifiers already standardise on. Fosroc’s waterproofing portfolio, by contrast, is built around structural and industrial-grade work — basements, water-retaining structures, roofs — and has no direct equivalent to this retail, putty-compatible interior treatment, so it is not a genuine substitute here.

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