Product Description
Palatine Damp Proof Membrane is a solvent free, two component, moisture mitigating and water vapour suppressing liquid damp proof membrane. Provides outstanding substrate penetrative properties. Formulated cured film flexibilisation allows for substrate coefficient of expansion accommodation. along with excellent adhesive and cohesive bond strength properties, enabling early application with suitable resin product types.
To form a surface damp proof membrane and moisture vapour suppressant to concrete/screed surfaces. DPM is ideal for fast-track building programmes associated with the risk of residual rising moisture as trapped water within the underlying substrate.
Liquid Mixture
Consumption
0.25 – 0.35 kg/m2 (first coat) 0.20 – 0.25 kg/m2 (second coat)
Film Thickness
200 – 350 microns (0.20 – 0.35 µm)
Application Temperature
5 – 30°C
(min 3°C above dew point)
Shelf Life
24 months in original unopened container.
Storage
Keep dry at 10 – 25°C, avoid exposure to direct sunlight.
Working Time
40 minutes @ 20°C
Foot Traffic
After 18 – 24 hours @ 20°C
Overcoating Window
8 – 24 hours @ 20°C
Preparation
Mechanical Preparation: The substrate (concrete or cementitious screed) must be prepared by vacuum-assisted shot blasting. Localised diamond grinding may also be used to remove cement-based laitance.
Condition: The surface must be clean, free of dust, loose debris, and all contaminants (grease, oils, fats, paint, chemicals, algae).
Moisture Levels: Can be applied to substrates with up to 97% Relative Humidity (RH), but the surface must be visibly dry with no standing water.
Repairs: Any cracks or “hollowness” in the substrate must be repaired with suitable products before application.
Bond Strength: The surface should have a minimum adhesive bond strength of 1.5 N/mm².
Mixing
This is a two-component system (A and B).
1. Empty the entire contents of Component B into the Component A container.
2. Mechanical Mixing: Use an electric drill with a paddle/spinner. Mix for 2–3 minutes until the mixture is homogenous.
3. Avoid Air: Keep the mixing head fully submerged to prevent air from being trapped in the liquid.
4. Pot Life: Once mixed, you have approximately 40 minutes (at 20°C) to apply the product.
Application
First Coat:
* Pour the mixed product into a clean container or directly onto the floor.
* Apply using a rubber squeegee, ensuring a fully coated, closed film.
* Back-roll the wet surface with a short-pile mohair roller to ensure an even finish.
Second Coat:
* Apply the second coat after the first has cured for a minimum of 8 hours (at 20°C).
* Use a squeegee followed by a mohair roller.
Adhesion Tip: To improve the adhesion of subsequent floor finishes, lightly scatter dry quartz or silica sand (0.3 – 0.8 mm) into the wet surface of the second coat at an approximate consumption rate of approximately 0.8 – 1.0 kg / m2.
Temperature: Apply only when the temperature is between 5°C and 30°C (and at least 3°C above the dew point).
For the long-term maintenance of the properties of polymer flooring materials, a regular cleaning and care programme is recommended.
Safety
* Use a mechanical drill for mixing; manual mixing is insufficient and will prevent the paint from curing.
* Wear appropriate protective gear, including gloves and clothing.
Q: What is the main purpose of Palatine Damp Proof Membrane Paint?
A: This product is a thick, rubbery coating designed to create a waterproof layer on floors to stop moisture from rising up through the ground.
Q: Can this paint be used on a garage or workshop floor?
A: Yes, it is an excellent choice for concrete floors in garages and outbuildings to keep the surface dry and protect your belongings from dampness.
Q: Is this product safe to use in a basement or cellar?
A: Yes, it is water-based and has very little smell, so it is safe to use in underground areas or rooms with limited airflow.
Q: What happens if I don’t mix it properly?
A: Because this is a two-component (A and B) system, failure to mix thoroughly with a mechanical drill will prevent the paint from curing correctly, leading to a sticky or ineffective membrane.
Q: Can this be used on the outside of a building?
A: No, this specific product is designed for use on floors to stop damp from coming through into the space.
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