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Potential Outcome: Poor adhesion and potential delamination of levelling compounds.
Adheseal Best Practice: Always test for moisture and install an appropriate vapour barrier before priming.
Potential Outcome: Reduced bond strength and uneven results.
Adheseal Best Practice: Apply levelling compounds within 24 hours of primer application for best results.
Highly compact concrete surfaces can lead to poor adhesion of levelling compounds and tile adhesives, risking tile failure.
Apply Eco Prim T Plus diluted 1:2 with water for maximum penetration. This creates a grippy surface, ensuring tile systems bond securely.
Use a roller for even coverage and allow 2–3 hours drying time before proceeding.
Projects often involve different substrate types, complicating primer selection and risking inconsistent results.
Eco Prim T Plus adheres to cementitious, wood, ceramic, and adhesive residues, allowing one solution across multiple areas.
Specify Eco Prim T Plus in tender documents to standardise preparation and prevent inconsistent performance.
No. Eco Prim T Plus must be applied only to dry substrates. For screeds over bare ground or lightweight concrete, install a vapour barrier first to avoid adhesion failure.
Apply levelling compounds within 24 hours of priming. Waiting longer can reduce bond strength and may require re-priming.
Yes, dilute 1:2 with clean water for absorbent cementitious substrates. Use undiluted on ceramic, natural stone, wood, and adhesive residues.
Coverage varies from 0.10 – 0.20 kg/m² depending on substrate porosity and application method (roller or brush).
| Application / Use Case | Key Benefit | Primary Trades |
|---|---|---|
| Priming compact or smooth concrete floors before levelling | Creates a high-bond surface ensuring levelling compounds adhere reliably | Tilers, Flooring Installers |
| Surface preparation over old adhesive residues | Bonds to water-resistant residues, avoiding costly full removal | Remedial Contractors, Builders |
| Priming ceramic or natural stone substrates | Allows direct application of smoothing compounds without tile removal | Tilers, Builders |
| Bonding aid over epoxy or polyurethane vapour barriers | Provides a secure bond where no sand broadcast is present | Waterproofers, Flooring Installers |
| Preparation of timber, plywood, or chipboard subfloors | Seals surface, prevents uneven absorption, and improves adhesion | Builders, Flooring Contractors |
Ensure the substrate is sound, dry, and free of contaminants. For unbonded screeds, verify a vapour barrier is installed to prevent rising damp.
Use Eco Prim T Plus as supplied for non-absorbent substrates. Dilute 1:2 with water for absorbent screeds and concrete to ensure proper penetration.
Apply with a brush or roller, ensuring complete coverage without pooling. Avoid leaving puddles, which can create weak spots in adhesion.
Clean tools, hands, and spills immediately with water. Once cured, remove with alcohol or Mapei Pulicol 2000.
Wear protective gloves and safety goggles during application. Use work clothing that prevents skin contact.
Ensure adequate ventilation when working indoors, although Eco Prim T Plus is low VOC and installer-safe.
Product is non-flammable. Store in sealed containers and avoid freezing conditions.
Seek medical attention immediately in all cases of serious exposure.
Ensure the surface is structurally sound, uniformly dry, and free from dust, laitance, oils, and contaminants. Check moisture content and provide a vapour barrier if installed over bare ground or lightweight screeds.
Dilute Eco Prim T Plus 1:2 with clean water for highly absorbent screeds, apply by roller or brush, allow 2–3 hours to dry before proceeding.
Degrease and clean thoroughly, removing waxes and residues. Roughen smooth, glossy tiles if needed to improve key.
Apply directly to tiles using a roller for even coverage. Allow 4–5 hours to dry before smoothing compound or adhesive application.
Use only moisture-stable wood. Ensure boards are fixed securely, clean, and free from dust or oils.
Apply one even coat undiluted with a brush or roller. Allow 2–3 hours drying time.
Ensure the vapour barrier is fully cured (typically 2–4 hours depending on product) and free from dust. Do not wait longer than 24 hours before priming.
Apply one coat undiluted to create a bonding bridge for smoothing compounds up to 10 mm thick.
| Property | Value |
|---|---|
| Colour | Light blue |
| Density | 1020 kg/m³ |
| Viscosity | 600 mPa·s (spindle #2, 30 rpm) |
| Consistency | Fluid liquid |
| Solids Content | 42% |
| pH Value | 7.5 |
| Initial Cure | 30–40 minutes |
| Tiling Ready | 4–5 hours |
| Application Temperature | +5°C to +35°C |
| Coverage Rate | 0.10–0.20 kg/m² (depending on substrate porosity and application method) |
| Standards | Fair (meets basic requirements) |
| Resistance Testing | Excellent (above average) |
| Packaging | 5 kg pail, 20 kg pail |
| Shelf Life | 24 months (unopened, stored correctly) |
| Storage Conditions | Avoid frost and store in original sealed packaging |
Here are some common examples on where Mapei Eco Prim T Plus used by our customers.
