Monday, May 25, 2009

Timber Lamination

Blockboard






There are three general types of laminated boards:


  • Laminated boards (lamin board)
    Are manufactured boards made up of strips of natural timber that are between 5 / 7mm in thickness.


  • Block board
    Are manufactured boards made up of strips of natural timber that are up to 25mm in thickness.
    The outer surfaces are clad with a veneer for decoration and strength purposes.

  • Plywood
    Is a manufactured board made up of layers of natural timber veneers or laminates that are glued together. Alternative veneers have their grains running at right angles to each other leaving the outside two veneers with the same grain direction. There is always odd numbers. The outer surfaces are clad with a veneer for decoration and strength purposes.
    The interlocking structure offers uniform strength, good dimensional stability and resistance to splitting.

Epoxy resins may be used to increase the waterproofing of those plywoods that are to be used in damp or external situations. These plywoods include builders form ply and marine ply.







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