MAPEI Triblock P epoxy-cement primer for damp substrates 5kg

MAPEI Triblock P 5 kg – three-component epoxy-cement primer for damp substrates

Triblock P is a three-component epoxy-cement sealer and primer for damp substrates. It is used for the pretreatment of damp cementitious screeds, ceramic tiles, and terrazzo before applying epoxy and polyurethane coatings, as well as for coating concrete channels, sewage gutters, and concrete pipes.

Scope of delivery: 5 kg kit, pre-dosed – components A, B, and C.

Advantages of Triblock P

• For substrates with high moisture levels
• Pretreatment before epoxy and PU coatings
• Can be applied by brush, roller, spray, or trowel
• Ready for coating after approx. 24 hours

Typical areas of application

• Cementitious screeds with high residual moisture
• Ceramic tiles and terrazzo before coating
• Concrete channels, sewage gutters, and concrete pipes

Technical data

• Mixing ratio: A : B : C = 12 : 38 : 50
• Water addition: brush 5–10%, roller 10–15%, spray method max. 20%
• Pot life: 30–40 minutes
• Ready for coating: after approx. 24 hours
• Application temperature: +5 °C to +35 °C
• Storage: 12 months in the original packaging, store in a cool, dry place above +5 °C

Consumption

Consumption is approx. 250–500 g/m² as a primer or 1.5 kg/m² per mm as a trowel-applied layer with quartz sand (Quarzo 0.25). A 5 kg kit is sufficient as a primer for approx. 10–20 m².

Application of Triblock P

1. Prepare the substrate

The substrate must be load-bearing and free of cement laitance, dust, oil, and grease.

2. Mixing

Mix all three components in a ratio of A : B : C = 12 : 38 : 50 until homogeneous using a resin mixer. Add water depending on the application method (brush 5–10%, roller 10–15%, spray max. 20%).

3. Application

Apply within 30–40 minutes using a roller or brush, or process as a trowel-applied layer with Quarzo 0.25.

4. Coating

After approx. 24 hours, the epoxy or PU coating can be applied.

Note: All information is based on manufacturer data from MAPEI. Before application, please observe the current product and safety data sheets, which can be downloaded at the bottom of this page.