Bostik BLOCK C750 BOSCOLASTIC

91 000 74051 BLOCK C750 Boscolastic is a two-component, elastomeric acrylic-polymer modified cementitious waterproofing coating, mixed on site. It creates a flexible, durable membrane that resists cracking, bridges joints, and provides waterproof protection for concrete, masonry and plaster surfaces. Used in wet areas, tanks, terraces etc.Areas of Application / UseBathrooms, balconies, terraces, wet areasSwimming pools, pool decks, water features & pondsPlanter boxes, canopies, planter decks, concrete water tanksAreas where cracking / movement expected in concrete / masonry surfacesQ1. How thick should the coating be (two coats)?Typically aiming for dry film thickness around 1.2-1.5 mm in two coats gives good performance. Coverage ~20-25 m² per 35 kg set.Q2. Can I tile over Boscolastic?Yes — it is designed to be tiled over after it has cured.Q3. Will Boscolastic work on damp surfaces?It can be applied to damp (but not water-logged or standing water) surfaces. The substrate must be in saturated surface dry condition.Q4. What is crack-bridging capacity?Approximately up to ~2 mm under suitable thickness and correct application.Q5. After how long can it be exposed to water / traffic?Light water exposure or foot traffic after ~24 hours. Full cure and heavy use after 7 days.Q6. What is the approx. price?One seller lists a 35 kg set (powder + liquid) price around ₹3,950 in Hyderabad CIVILIZEMART.