SpECtop CPD Elastomeric Membrane


SpECtop CPD Elastomeric Membrane is a
two pack, solvent free, flexible crack bridging
polyurethane membrane forming part of
the SpECtop CPD System.

Technical Details

For application over concrete in combination with an appropriate primer to provide a highly flexible waterproof membrane.
. Waterproof
. Highly elastic
. Excellent crack bridging properties
. Durable

Typical results @ 25°C Pot life 

>30 mins 
Tack free time 

5 hours 

Maximum Overcoating time 

24 hrs 
Tensile strength (ASTM D412) 

6.0 N/mm² @ 7 days 

Elongation at break (ASTM D412) 

Tear resistance (ASTM D624) 

30 kN/m 

Crack bridgeability @ 20°C (ASTM C836) 

3.20 mm 

Shore A Hardness (ASTM D2240) 


Mixed Density 

1200 kg/m³ 

Surface Preparation
Surfaces to be treated must be sound, free from oil or other contaminants, loosely adhering coatings, laitance and dust.

The surface to be coated with SpECtop CPD Elastomeric Membrane should be primed with SpECtop CPD Primer SB/SpECtop CPD Primer SF.

Mixing SpECtop CPD Elastomeric Membrane is supplied in a two-component kit consisting of a pigmented curing agent and a base component.
Both of the liquid components should be briefly stirred to ensure that any settlement products are fully suspended.
Empty the entire contents of the curing agent into the base component. To ensure that all material is extracted, the insides of the tins should be scraped.
The curing agent and the bas component should be mixed with a slow speed, heavy duty electric drill and a spiral mixing paddle for at least 3 minutes and until the material appears uniform in colour and consistency.
Do not mix by hand.

Immediately after mixing, spread the SpECtop CPD Elastomeric Membrane using a squeegee and/or medium pile roller. SpECtop CPD Elastomeric Membrane should only be applied over previously prepared and primed surfaces. Care should be taken to ensure that the time sequence of the application complies with primer recommendations.

Additional Toppings
Further coatings and toppings should be applied when SpECtop CPD Elastomeric Membrane is tack free.
SpECtop CPD Elastomeric Membrane is supplied in the pack sizes given below with the following recommended coverage rate:

SpECtop CPD Elastomeric Membrane
4.5 litres and 15 litre
@ 1.0 – 2.0 m²/litre/coat

SpECtop CPD Primer SB
@ 10-15 m²/litre 1 litre pack gives 10-15m²
5 litre packs gives 50-75m²

SpECtop CPD Primer SF
1, 2 and 5 litre
@5 m²/litre
Contact us for more info.

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SpECtop CPD Elastomeric Membrane

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