Sika India exact PDS reconciliation for waterproofing mortar and tile adhesive systems.
The current Sika India page identifies this as a 2-part acrylic polymer modified cementitious coating. It uses Part A:Part B = 1:4 by weight, about 1.2–1.5 mm in two coats, about 1.5 kg/m² per coat, ~4 h overcoat, ~1 day foot traffic and ~7 days water immersion. The page also states no additional water should be added. citeturn0search0
The same page gives ~5 bar water penetration testing for 72 h and 25 kg pre-batched packaging. citeturn0search0
Sika currently identifies Seal Plus as a flexible 2-part acrylic-polymer modified cementitious coating, with potable-water tank, terrace, roof, basement, pool and wet-area applications; current packaging shown is 7 kg and 35 kg pre-batched sets. citeturn0search3
The current India page classifies it as C2TES1 and IS 15477 Type-4 T S1, for ceramic, vitrified, porcelain, marble and natural stone, indoor and outdoor. It supports 3 mm minimum on the current page, while the PDS gives a 1–15 mm layer range; this distinction is retained rather than collapsed. citeturn0search1turn0search14
Current technical data includes water:powder ratios of 0.27–0.29 for grey and 0.30–0.32 for white, ≥180-minute pot life, >30-minute open time, 24–36 h floor grouting/walkability, 4–6 h wall grouting and ~21 days to water immersion. citeturn0search1
Waterproofing: substrate preparation → repair/detailing → compatible waterproofing system → protection/tile system.
Tile installation: substrate/primer → levelling where required → adhesive grade selected by tile/substrate/exposure → grout → joint/sealing accessories.
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