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Koster NB1 Grey Cementitious Sealing Slurry

Name: Koster NB1 Grey Cementitious Sealing Slurry
Brand: Koster Aquatecnic Ltd
SKU: ddc4RbTx95hxErakyjp2Fb

Verified by manufacturer 5 months ago

Third party certifications:

A mineral based, sulfate resistant crystalline slurry for waterproofing against negative and positive side pressure.

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Application

Koster NB1 Grey is suitable for use in, but not limited to the following areas:

Application to any mineral surface i.e., concrete, pre-cast, block, brick, masonry, stone, etc.
Waterproofing against ground moisture, non-pressurized and pressurized water.
For both new build and refurbishment projects.
As a part of a Type A waterproofing system, as per BS 8102 2022.
In the refurbishment of civil structures such as tanks, pipes, silos, manholes, tunnels, bridges and drinking water tanks.
For the waterproofing of pile heads and through construction joints.

Koster NB1 Grey is a mineral coating which contains crystallising and capillary-plugging agents.

Features and Benefits:

Resistant to 13 bar water pressure.
Excellent chemical and sulfate resistance.
Extremely high resistance to pressure and abrasion.
Self healing over micro cracks.
Flexible Type A waterproofing coating.
For negative side and positive side waterproofing.
Open to vapour diffusion.
No VOCs or corrosive ingredients.
Can be used on all mineral substrates.
Easy to apply, seamless application.
Inhibits salt movement in the substrate when used as a system together with Koster Polysil TG 500.

For further technical advice and project specific guidance, please contact technical@kosteruk.com.

Color	Grey
Finish	Brushed Smooth
Material	Cement Manufacturer guidance Cementitious slurry
Shape	Formless
Length	Bespoke
Width	Bespoke
Height	Bespoke
Warranty description	Ten year

Uniclass	Pr_20_31_53_18 Crystallization active slurry mortarsPrimary
CAWS	J10/130 Proprietary crystallization active mortar

Product range	Internal Basement Waterproofing Systems External Basement Waterproofing Systems

Third-party product certification	BBA certificate.

Coverage	2–4 kg/m².
Setting time	Resistant to foot traffic after one day; Full cure after two weeks (approximately).
CompressiveStrength	> 30 N/mm² at 28 days.
Tensile Adhesion	≥ 0.5 MPa.

Contains Red List materials	No
Country of material origin	Germany
Country of product manufacture	Germany
Recyclability	No
Recycled content As defined in clause 7.8 of BS EN ISO 14021	0 %