ISI MARKED BLOCK BOARD ISI marked Block Boards are manufactured in two grades Grade 1: Interior grade (MR & BWR Grade). Grade 2: Exterior grade (BWP type). Block boards are manufactured conforming to IS 1659:1990. The fillers (battens) are made from single hardwood species. The core veneer is 2.5mm thick as against normally used 2mm thick by other manufacturer. The fillers are of short length to take out the internal stresses of the wood. After hot pressing further stress relieving treatment makes Corbett boards fully warp free . After hot pressing & trimmin

PLYWOOD ( Conforming to International Formaldehyde Emission Test E0 E1 E2..) MR GRADE MR grade plywood is used for interior work where there is no possibility of plywood coming in contact with water. However the grade is moisture resistant (Plywood kept in water at 60º temperature for 3 hours) that’s why atmospheric moisture do not affect the plywood at all. The resin used is improved with melamine Urea Formaldehyde Synthetic Resin with Melamine. MR Grade Plywood is in conformity with IS 303:1989 BWR Plywood are manufactured with one si