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100
What is the first step in the finishing process?
A visual inspection.
100
What is the difference between garnet sandpaper and Aluminum Oxide?
Garnet is a natural stone and Aluminum Oxide is man-made.
100
When using a stripper to remove an old finish, what is essential to do before applying fresh stain?
Thoroughly wash the surface with solvent/thinner to remove any residual stripper
100
On what type of woods would paste fillers be used?
Open-grained woods (like oak and ash)
100
What is the very first finish/top coat called?
Sealer (seal) coat
200
What is the best aid to help reveal scratches, dents, low spots, glue etc.?
Portable light source.
200
Which sanding grit is finer: 150 or 80?
150 grit
200
What is the purpose of a washcoat?
To ensure the stain penetrates evenly into the wood pores.
200
What is the very first finish/top coat called?
Sealer (seal) coat
200
When should nail holes be filled?
After seal coat
300
What would cause mineral spirits to 'fish-eye'?
Grease or silicone contaminates on the surface.
300
When hand-sanding a solid wood panel door, which part of the frame is sanded last?
The stiles.
300
What is the difference between wood stain and wood bleach?
Stain adds colour to the natural wood while bleach removes the natural colour of the wood.
300
What is the main difference between Varnish and Urethane?
Varnish is a natural product while urethane is synthetically made
300
What are natural bristle brushes not well suited for?
Water-based paints/products
400
How will residual glue on a surface appear when water, mineral spirits, stain, etc. are wiped over it?
A lighter appearance than the surrounding surface.
400
At what stage of the finishing process should dents be repaired?
Prior to staining
400
Which is the only stain that is required to be sprayed on because it dries so quickly?
NGR (Non grain raising)
400
What is the distinct advantage that laquer has over all other finishes/top coats?
Hard and dries fast.
400
The texture or smoothness of a painted wall finish is determined by what?
Roller nap
500
Why should a damp rag never be used for removing wet glue from a surface?
Because the glue will be driven further into the pores of the wood and cannot be removed.
500
How does steaming remove a dent?
It raises/swells the compressed wood fibres
500
What is the significant difference between the colorant used for water stains and oil wiping stains?
Water stains use aniline dyes while oil stains use solid pigments.
500
What distinct advantage does natural oil (ex. WATCO oil) have over all other finishes/top coats?
Easiest to repair
500
Once a piece has been stained, what is the application sequence for top-coating (assuming no filling required)
Seal Sand Tack rag coat sand Tack rag