SIKA Damp Proof Slurry – Grey
£23.99 inc. VAT
£19.99 ex. VAT
- Product ID: 102198
- Area of use: EXT & INT
- Application Method: brush, trowel or spray applied
- Volume: 25kg
- Container Type: bag
- Colour: cement grey
- Brand: sika
- Manufactuer: sika
Sika® Damp Proofing Slurry is a one-part, polymer-modified cementitious waterproof coating formulated with special cement-based components and admixtures. Simply mixed with water before use, it creates a versatile slurry or mortar suitable for direct application to a wide range of construction substrates. The product offers excellent adhesion, workability, and protection against water penetration, while being easy to mix and apply by brush, trowel, or spray. It is BBA approved and conforms to BS 8102:2022 for Type A shallow basement waterproofing systems, suitable for Grades 1, 2, and 3 environments.
Key Points:
– One-component waterproof coating – just add water for easy mixing and application.
– Can be applied by brush, trowel, or spray, with adjustable consistency to suit the application method.
– Provides excellent adhesion, workability, and long-lasting protection against water ingress.
– BBA approved and compliant with BS 8102:2022 for Type A waterproofing of shallow basement structures.
Shelf Life – 6 months from date of production
Storage Conditions – Must be stored properly in undamaged and unopened original sealed packaging in dry and cool conditions.
For more in our range of damp proofing compounds, please click here. For our full range of products from Sika, please click here.
For more information on Sika and their products, you can visit their website here.
Suitable for:
– Waterproof tanking of residential and domestic basements.
– Thin-layer waterproof slurry or mortar coating.
– Lining of water tanks, swimming pools, and planters.
– Internal waterproofing and damp-proofing of basement and cellar walls and floors.
– Internal and external damp-proofing of basement walls in new-build properties and for concrete, render, brickwork, and blockwork structures.
MIXING
Water Addition Rates:
Slurry (brush application): 4.5–4.7 L water per 25 kg bag
Mortar (trowel application): 4.0–4.25 L water per 25 kg bag
Spray application: 4.0–4.5 L water per 25 kg bag
Mixing Time: Approximately 3 minutes
Mixing Tools:
Mix mechanically using a forced action mixer or a clean bucket with a drill and plaster paddle (max. 500 rpm). Do not use a standard concrete mixer.
Add the powder slowly into the pre-measured water while mixing continuously until a smooth, lump-free consistency is achieved (around 3 minutes).
APPLICATION
– Ensure the substrate is thoroughly dampened before application, with no standing water present.
Slurry Application:
– Apply in even coats using a fibre brush (vertical surfaces) and a rubber squeegee or brush (horizontal surfaces).
– Allow to stiffen for 2–6 hours, then apply a second coat as soon as the first has hardened, within 24 hours, at the same coverage rate.
Mortar Application:
Apply the first coat using a notched trowel. Once hardened, apply the second coat using a smooth-edged trowel.
Spray Application:
– Apply using wet spray equipment. Ensure the first coat has hardened sufficiently before applying the second coat to avoid damage. Smooth the final coat with a brush or trowel.
– For all methods, apply the second coat at 90° to the first coat.
INTERNAL FINISHES
– Plasterboard may be fixed using plaster dabs, Sikaflex® 11FC or Sikaflex® EBT. Timber battens may also be bonded using these products. Finishing plasters can be applied directly; do not pre-wet the surface. Gypsum-based plasters should not be used. Always refer to the plaster manufacturer’s guidance for damp-proofing applications.
CURING TREATMENT
– In internal damp conditions, curing is not required. Keep windows closed to avoid drying winds. For external applications, protect from sun and wind exposure to prevent rapid drying using polythene sheeting or an approved curing method.
CLEANING OF TOOLS
– Clean all tools and equipment immediately after use with clean water. Once hardened, material can only be removed by mechanical means.
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| Elementlength | |||||||
| up to 1,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
|
| Type of window frame material |
Minimum witdth of joints for a butled mounting b in mm |
Minimum witdth of joints for a inner mounting b in mm |
|||||
| Hard PVC (white) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Hard PVC and PMMA (dark) (colour extruded) |
15 | 20 | 25 | 30 | 10 | 15 | 20 |
| Hard PUR integral foam | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Wood-aluminium-window | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (bright) |
10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (dark) |
10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Wooden window frame | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
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