Blockboard is made up of a core of softwood strips. These strips may be up to about 25mm wide. The strips are placed edge to edge and sandwiched between veneers of hardwood. The sandwich is then glued under high pressure.
Sources: -Blockboard is not suitable for outdoor use because the glues used are interior glues. When using blockboard to make such things as doors or tables, it is important to ensure that the core runs lengthways in order to achieve maximum strength. Blockboard may be used to make shelves, doors, paneling and partitions.
Sizes: -Blockboard is sold in sheets of 2440 x 1220mm and are normally 30mm thick. Request Size is Available.Screws and nails may be used to attach blockboard and laminboard but you have to ensure that you make contact with the strips of softwood and not the gaps between the softwood strips. The edges of both blockboard and laminboard are unattractive and cannot be cleaned up well. Place softwood strips, veneers or fill and paint the edges. Blockboard and laminboard may be bought with a variety of applied finishes such as wood veneers and plastic laminate surfaces. If both sides are treated in the same way blockboard and laminboard have a good resistance to warping.
Blockboards are generally used to make doors, shelves, Tables, Panelling and Partition walls. It is always important to note, that the core runs length ways in order to achieve the maximum strength. They are most preferred choice when lengthy pieces of wood are required for furniture, which make it more stiffer and does not bend or sag in any case.
The wooden strips which are used for core should be cut from the seasoned timber to a moisture content not exceed 12 percent. The width of each wooden strip should not exceed 30 mm. There should not be any gap between the wooden strips. These wooden strips can also be of small lengths placed end to end where the end joints shall be staggered. However, the edge strip should be of 45 mm wide and it should be full along the length. Blockboards are usually available in two grades – BWP grade and MR grade.
Besides being a poor conductor of sound, electricity & heat, Blockboards are stable, light, easy to cut, reclaim & to preserve in sea water than most of competitive materials. In addition, blockboards are economical, lighter, stronger and more resistant to warpage as compare to raw wooden planks. Due to their lightweight, the blockboards extend furniture and door life span as they exert less stress into hinges!