Sika Rendermix Waterproofer is a water resisting plasticiser for improving renders and screeds.
Uses:
- As a water resisting liquid admixture for sand and cement rendering mortars.
- As an aid to prevent water 'bleed' from the fresh mortar.
- As a water reducer to inhibit passage of salts for external or internal rendering and screeding.
- As a mortar 'improver' for pebble dashing or roughcast finishes.
Benefits:
- Lower porosity
- Improved durability
- Retains workability for longer
- Reduced efflorescence
- Improved finish
Dosage rate: 250ml to 500ml per 25kg cement
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