Sikalastic® EPDM Primer

Synthetic rubber in hydrocarbon solvent

12 months from date of production

The product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +0 °C and +30 °C. Always refer to packaging.

+5 °C min. / +40 °C max.

85 % maximum

Beware of condensation.
The substrate and uncured coating must be minimum 3 °C above dew point.

+5 °C min. / +40 °C max.

Apply an additional coat if >24 hours is exceeded before overcoating. Overcoat within 24 hours for optimum performance.

Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.

Apply in 1coat at a coverage rate of ~150 ml/m²

This figure is theoretical and does not allow for any additional material due to surface porosity, surface profile, variations in level or wastage etc.

The existing membrane must have sufficient adhesion to the roof.

The surfaces must be clean, dry, free of stripping agents, oil, grease, silanes, salts, silicone, siloxanes and other chemicals which could cause poor adhesion.

All surfaces to be coated must be thoroughly cleaned by conventional methods.
For confirmation of adequate preparation carry out a pre-trial.
For detailed information regarding substrate quality / preparation and primer chart, refer to the Sika® Method Statement: Sikalastic® EPDM Primer.

Sikalastic® EPDM Primer is supplied ready for use. Before application, mix for 3 minutes using a low speed electric single paddle mixer or other suitable equipment. Mix the liquid and all the pigment until a uniform colour has been achieved. Frequent stirring (every 15–20 minutes) is recommended.

Strictly follow installation procedures as defined in method statements, application manuals and working instructions which must always be adjusted to the actual site conditions.

Reference must be made to the Sika® Method Statement: Sikalastic® EPDM Primer.

Pour mixed primer at the required consumption onto the prepared substrate and apply by short-piled roller or brush. Ensure a continuous coat covers the substrate.

Confirm waiting /overcoating time has been achieved before applying subsequent products.

Clean all tools and application equipment with Thinner C immediately after use. Hardened material can only be removed mechanically.