Blockboard is very different from the other engineered woods such as MDF (Medium density fiberboard), particle boards or plywood, etc. Blockboard is a board which consists of a core made of wooden strips (usually of softwood) between the two layers of plywood. Here the wooden strips are placed edge-to-edge and are enclosed between hardwood veneer sheets which are glued together under high pressure.
Also Read: What is a Blockboard?
01. BWP Grade (Boiling Water Proof):
These grades of blockboards can be used for prefabricated houses, railway coaches, bus bodies, etc, where it is likely to get exposed to high humidity and for external use.
02. MR Grade (Moisture Resistant):
These grades of blockboards can be used for internal use such as for doors, partition, panelling, furniture, ceiling, etc.
Both of these grades are available in two more types in the market i.e. Decorative and Commercial type:
03. Decorative Type:
These are the blockboards with decorative face veneers on one or both sides and generally used for high class furniture, interior decoration, panelling, partitions, etc. They can be available in BWP and MR grade both as per the application and its uses.
04. Commercial Type:
These are the blockboards with veneers of commercial timber on both sides and generally used for ordinary furniture, table tops, panelling and partitions to be painted over flooring and seats of bus bodies, railway carriages, etc.