This is the product-level layer between the manufacturer catalogue and Islamia's commercial layer. The current Birla Opus PIS library is treated as the technical authority for exact application and compatibility data. citeturn0search0
Current manufacturer page states 140–160 sq ft/L for 2 coats and a 9-year guarantee. Application starts with clean, dry, filled and levelled walls, followed by One Pro Smooth Primer and two coats. citeturn0search1
Official product pageCurrent PIS states excellent scuff resistance, excellent stain resistance, anti-bacterial and anti-fungal properties, low odour/VOC, 140–160 sq ft/L for 2 coats and 9-year warranty positioning. citeturn0search30
Official product/PIS sourceCurrent manufacturer page states 99+ stain resistance, water repellence, 120–140 sq ft/L coverage and 6-year warranty. Its current PIS lists anti-fungal/anti-bacterial, spatter resistance, superior smoothness/opacity, low VOC/odour and roller-friendly application. citeturn0search2turn0search27
Official product pageCurrent Birla Opus interior architecture positions Style as the economy/value range and describes Color Smart as a superior-coverage, long-lasting-finish product. Current FAQ distinguishes Color Smart's smooth matt finish from Color Smart Shine's soft sheen. citeturn0search5turn0search11
Official product page| Layer | Website rule |
|---|---|
| Identity | Use current manufacturer product name only after exact identity verification. |
| Product claim | Use current manufacturer product page + latest PIS. |
| Application | Use product-specific PIS; do not infer dilution/recoat from another product. |
| Warranty | Use current warranty document and retain application/registration conditions. |
| Coverage | Show manufacturer stated coverage and clearly note actual coverage varies with surface/application. |
| Commercial | Islamia price, stock, pack and shade availability remain a separate local layer. |
The current warranty document requires interior vertical walls/interior roof masonry surfaces, surface moisture below 16%, clean/dry surfaces, crack filling, a Calista Pro White Primer/equivalent Birla White Primer undercoat, two coats of One Acrylic Wall Putty/equivalent Birla White Putty, another primer coat and finally a minimum of two coats of Calista Ever Clear. It states final coverage of 11.15–13 sq m/L (120–140 sq ft/L) for two coats. citeturn0search28
Islamia's older “Opus Silk”, “Opus Easy Clean”, “Opus One” etc. names remain preserved. A current manufacturer product is linked only where exact identity is established. Where identity is uncertain, the page remains legacy-labelled and points to current manufacturer intelligence instead of making an unsupported rename.