Understanding Timber

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Understanding Timber and their natural characteristic

Timber is a natural product and is usually not free from imperfections. Here are some examples of these:

knots

Knots are a natural feature in timber. A tree does not grow straight therefore its wood grain and knots vary.

This does not effect the quality.

rough spots2

Rough spots occur when sawing and planing the wood, even though all efforts are done to prevent this happening

wood fibres that run opposite to the machining direction sometimes cause rough spots.

pressure treated wood

Pressure treated wood can sometimes create these green and whitish spots. They are no cause for concern

and can be brushed off, they are a result from resin that has been dyed by the copper salts.

colour variation

Pressure treated wood can sometimes create these green and whitish spots. They are no cause for concern

and can be brushed off, they are a result from resin that absorb the chemical preservatives. Overtime variations in

color will disappear when the wood is exposed to sunlight

 

resin

Resin streaks occur during storage, the wood changes in thickness and volume. Its normal for this to happen

and can be removed by carefully scraping and removing with turpentine.