Wood preservation and protection Flashcards
Tres
1
Q
Timber and wood products are generally treated with:
A
- paint
- water-repellent stain
- wood preservatives
- special solutions to reduce the effects
2
Q
Factors affecting wood and timber products:
A
- weathering
- exposure to sunlight
- moisture movement
- fire
3
Q
Other factors to be reduce:
A
- fungal attack
- insect atta
4
Q
Good reasons to protect timber and wood products:
A
- erosion and discoloration
- discolorations due to sunlight
- moisture movement(expansion and contraction)
- incidence of fire
- fungal attacks
- i
5
Q
Opaque coatings
A
Exterior-quality paint
6
Q
Transparent coatings
A
Varn
7
Q
Paints and varnishes protects surface from:
A
Entry of water into the wood
Abrasive particles driven by rain and wind
Exposure to sunlight