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a) State two methods of converting round logs into commercial sizes.
b) Describe the most suitable method of producing oak boards for decorative and stable tabletops.
a) State two methods of converting round logs into commercial sizes.
(1) Through & Through
Through & Through Little thought is given to the use of the timber (Plain, Flat or Slab sawn) and consequently it is used mainly for softwoods. The method is cheap and some boards are wide, but outer boards tend to warp (or cup).
(2) Quarter Sawn
Quarter Sawn used predominantly for hardwoods where stability (and in some cases madullary figure is required. Quarter sawing is expensive in production time and also in the waste the produced but boards are more stable, shrink evenly and generally stay flat.
b) Describe the most suitable method of producing oak boards for decorative and stable tabletops.
Well Seasoned Quarter Sawn Boards will produce a very stable table top. Although the boards are not generally very wide. If wide boards are needed for the table top then consider second seasoning tangential sawn boards.
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