Dry mortar and Additives

Construction range for those who work with contracting, construction services, and craft services. Ahlsell has a wide construction range of concrete complements, building materials, furnishings, fixings, sheet metal, studs, and fittings.

Products (90)
Waterproofer Sika-4
Sika
Waterproofer Sika-4
Art. no.: 114985
Very fast binding (about 0.5-3 minutes) cement additive, for cement or cement mortar. Used for sealing leaky surfaces, cracks, and joints in rock, concrete, and masonry with flowing water under pressure.
Can also be used in cement mortar for fixing bolts, eye bolts, and similar in rock and concrete. This product meets the criteria for chemical products under BASTA.
Use:
Instructions: For sealing in locations under low water pressure or with less water flow: mix Sika-4a with clean water 1 to 0.5 or 1 to 4 (Sika-4a: water) depending on the desired bonding time. For sealing in locations under high water pressure or with greater water flow: Sika-4a is used undiluted, or mixed with no more than 3 parts of water, depending on the extent of the leakage.
Waterproofer Sika-4
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