Archive for the ‘Defects in Timber’Category

Defects due to seasoning

Defects due to seasoning are the number one cause for splinters and slivers. Read more!

01

03 2010

Defects due to natural forces

There are two main natural forces responsible for causing defects in timber: abnormal growth and rupture of tissues. Read more!

01

03 2010

Defects due to insects

Following are the insects which are usually responsible for the decay of timber:

1. Beetles
2. Marine Borers
3. Termites
4. Red Ant Read more!

01

03 2010

Defects due to fungi

Fungi attacks timber when these conditions are all present:

1. The timber moisture content is above 20%
2. The environment is warm enough
3. There is air

Wood with less than 20% moisture remains free of fungi for centuries. Similarly, wood submerged in water will not be attacked by fungi because of absence of air.

Fungi timber defects:

1. Blue stain
2. Brown rot
3. Read more!

01

03 2010

Defects due to conversion

During the process of converting timber to commercial form, the following defects may occur:

1. Chip mark
2. Diagonal grain
3. Torn grain
4. Wane Read more!

01

03 2010