*Sika Sikalastic Primer PVC

This product is now discontinued.
In stock
Product Description

Please note, this product is now discontinued. Contact our technical team for a suitable alternative.

Sika Sikalastic Primer PVC is a one component primer for consistent and durable adhesion between Sika Sarnafil PVC roofing membranes and MTC based Sikalastic products.

Best Uses

Sika Sikalastic Primer PVC is clear red, low viscosity and dries by reaction with atmospheric moisture. It is specifically formulated to bond the liquid applied MTC based Sikalastic products membranes on to PVC surfaces.

  • Simple application
  • Cost effective
  • Quickly drying
  • Stable in service from -20 °C to +80 °C (intermittent)

Suitable substrates are new (less than 2 years old) of Sika Sarnafil S & G.


The surfaces must be clean, dry, free of stripping agents and free of oil, grease, silanes, salts, silicone, siloxanes and other chemicals which could cause poor adhesion. Prior to the application of the Sikalastic Primer PVC clean with Sarna Cleaner and allow surface to dry for a minimum of 15 minutes at 23°C and 50% relative humidity. Depending on climate, curing can be faster or slower.

Prior to the application of Sikalastic Primer PVC the substrates must be cleaned and prepared with Sarna Cleaner. Heavy soiling should first be removed with water and detergents first. Shake the can of Sikalastic Primer PVC prior to application. Apply a thin but completely covering coat of Sikalastic® Primer PVC with a brush or
foam roller. Sikalastic® Primer PVC shall be applied once only. Care must be taken to ensure that this single application gives adequate and uniform coverage. (Glossy surface). Allow primer to dry sufficiently. Ambient temperatures affect drying time. The primer surface shall be tack-free before the Sikalastic® product is applied. For best results, apply Sikalastic® products within two hours after priming. Max. overcoating time is 12 hours. Reseal container tightly immediately after use.

Sikalastic® Primer PVC is part of the extensive range of Sika Products available from Promain.

Technical Details
Components: One Part
Type: Solvent-based polyurethane compound
Finish: -
Stock Colours: Red
Tintable: No
VOC Content: 392.0g per Litre
Volume Solids: 6%
Suitable Substrates: For bonding agent for detailing with Sikalastic 621 TC (MTC based LAM) on polymeric substrates, especially Sarnafil PVC roofing membranes
Application Method: Aerosol Supplied
Theoretical Coverage: 70 - 100ml per m2
Wet Film Thickness (WFT): -
Dry Film Thickness (DFT): -
Induction Time: -
Pot Life: -
Touch Dry: -
Overcoatable: -
Fully Cured: -
Cleaner / Thinner: -
Shelf Life: 9 months from date of production if stored properly in original, unopened and undamaged sealed container. Expiry date is on the container. Open container please dispose after 1 month
Packaging: Available as Box of 4 x 1 Litre aluminium bottles

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