Sika Damp-Proofing Slurry 25 Kg

Sika Damp Proofing Slurry

Sika® Damp Proofing Slurry is a one part polymer modified cement based waterproof coating comprising of special cement based components and admixtures.  When mixed with water a slurry or mortar material is produced for direct application to a variety of construction substrates.

USES
Sika® Damp Proofing Slurry is used for

• Waterproof coating for tanking residential/domesticbasements
• Thin layer mortar or slurry coating/liningFor internal waterproofing/damp-proofing of basement and cellar walls and floors
• For interior and exterior damp-proofing of basement walls in new buildings
• For interior and exterior waterproofing of concrete, renders, brickwork and blockwork structures
• Lining of water tanks, pools, planters etc

APPLICATION INSTRUCTIONS
SUBSTRATE QUALITY / PRE-TREATMENT

The substrate must be structurally sound and free of all traces of contaminants, loose and friable particles, cement laitance, oils and grease etc.  The concrete “pull off” (tensile adhesive) strength must be > 1.0 N/mm2.

Substrate Preparation
Brickwork, masonry, blockwork:
The surface must be wire brushed, all mortar joints flush pointed, and the surface cleaned thoroughly to remove oils, grease, paint, bitumen or other surface contaminants. Note: glazed or smooth faced surfaces should be bush hammered or needle gunned. Soft/defective mortar joints should be raked out to a depth of 12mm and repointed using the Sika® Damp-proofing Slurry mortar mix.

Concrete:
Clean concrete surfaces by bush hammered, grit blasted or high-pressure water-jetting (400 bar) in order to remove all previous coatings, any traces of grease, rust, release agents, cement laitance and any other material which could reduce adhesion. Water infiltration through the surface to be treated must be either diverted by drainage or concentrated at points which will be plugged. Sika Limited be consulted for advice on suitable materials. Prefill all cavities, honeycombed concrete, etc, to provide an even surface, free from voids with Sika® Damp-proofing Slurry mixed as a mortar (reduce water in mix to desired consistency).

MIXING
Slurry application (brush): 4.5 – 4.7 L water per 25 kg bag
Mortar application (trowel): 4.0 – 4.25 L water per 25kg bag
Spray application: 4.0 – 4.5 L water per 25 kg bag

Mixing Time: ~ 3 minutes

Mixing Tools
Sika® Damp Proofing Slurry Should be mechanically mixed using a forced action mixer or in a clean bucket using a drill and plaster paddle stirrer (max 500 rpm). A normal concrete mixer is NOT suitable. Pour the required mix ratio of water into a mixing bucket and add Sika® Damp Proofing Slurry slowly under continual mixing until a uniform lump free consistency is achieved (approx 3 minutes).

APPLICATION
The substrate should be dampened thoroughly with no standing water before application.

Slurry Application:
Apply Sika® Damp Proofing Slurry in even layers using a flat fibre brush on vertical surfaces and a rubber squeegee or brush for horizontal surfaces and allow to stiffen (2-6 hours). Apply a second coat of Sika® Damp

Viiew Sika Damp Proofing Slurry Datasheet