ISS is an environmentally friendly, penetrating, silicone sealer for concrete that offers incredible water repellency without leaving surface film, sheen or gloss. It is completely invisible when dry - concrete surfaces look untreated and completely natural. ISS is water-based, low-VOC and breathable. Its unique properties keep water out while allowing trapped moisture to escape. It reduces the chances of efflorescence, staining, and spalling and protects against freeze-thaw cycles. ISS is ready-to-use; simply apply with an ordinary low-pressure garden sprayer.
Ideal for vertical surfaces. Not intended for use on areas subject to traffic.
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