Sika 1   5tr Waterproofer

Sika 1 5tr Waterproofer

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Sika® 1 Waterproofer is an aqueous solution containing complex colloidal silicates.
In the presence of water these swell and block the capillaries and pores in the applied sand/cement renders, screeds and mortar to provide an effective barrier against the transmission of liquid water.

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