S3 PWW - (Bird House) Finishes

What is the main advantage of polyurethane (varnish) finishes?

• They greatly increase the appearance of bare timber.

• They are only suitable for exterior use.

• They are difficult to apply.

• They are the thickest type of finish.

Which type of polyurethane finish is more suitable for beginners?

• Oil based

• Solvent based

• Water based

• Wax based

What should be done before applying a timber finish?

• Apply the finish without any preparation

• Ensure the wood is completely sanded and dust free

• Use a damp cloth to apply the finish

• Apply a thick coat immediately

What is a characteristic of wax finishes?

• They are only suitable for exterior use

• They are generally rubbed onto the timber with a special cloth

• They do not give a natural shine

• They are difficult to apply

What is a disadvantage of wax finishes over time?

• They become easier to absorb

• They do not enhance the timber's durability

• They tend to slightly harden

• They do not protect from marks or scratches

What is a benefit of oil finishes compared to wax finishes?

• They are more difficult to apply

• They are generally thicker

• They do not enhance the timber's natural shine

• They are easier for bare timber to absorb

What should be done before applying an oil finish?

• Leave the surface dirty

• Apply the finish without sanding

• Apply a thick coat immediately

• Remove old paint or timber stains and sand the surface

What is a common use for oil finishes?

• For both interior use and decking

• Only for interior use

• Only for exterior use

• For metal surfaces

What is a characteristic of timber stains like varnish or shellac?

• They are not suitable for interior use

• They help to preserve the timber

• They are only available in one color

• They do not darken the timber