Sika Sikalastic 1k | 20kg

Sikalastic 1k is high-quality, fibre-reinforced waterproofing mortar. With special alkali-resistant polymers and waterproofing additives, sikalastic 1k is a highly flexible mortar with exceptional crack-bridging properties.
Ideal for waterproofing surfaces subject to flexural strain from basement walls to pools and surfaces beneath tiling. It also protects concrete against de-icing salts, freeze-thaw and CO2. Sikalastic 1k is quick and easy to use; simply add water, and apply by brush or trowel.