What is the background in the image below?
Stone.
Concrete.
Composite.
Pre-plastered.
What is the background in the image ?
Brick.
Block.
Which one of the following backgrounds is plasterboard screwed to?
Timber studs.
External wall.
Uneven surface.
Lime plastered.
When removing old plaster from a wall, the tools used are a hammer and a.
bolster chisel
scraper blade
crowbar
shovel.
The mechanical tool used to remove existing plaster from an external wall is called a
needle gun
cordless drill
breaker
core drill.
After stripping plaster from a wall, the operative should brush the background to remove
dust
laitance
adhesive
fixings.
To ensure a good bond between the background and the plaster, it is important to
keep area tidy
control suction
use clean equipment
speed up drying time.
Which one of the following improves adhesion?
Slurry.
Water.
Adhesive scrim.
Dubbing out.
If a high suction background is not prepared properly, what is likely to happen to the plaster?
Slow set.
Sagging.
Crazing.
Will not set.
Which of the following is true about good housekeeping?
It wastes money.
It reduces labour.
It reduces progress.
It prevents hazards.
The aggregate in a scratch coat mix is
Lime
Sand
Cement
Additive
The correct mixing methods of plaster materials should be found in the
work schedule
risk assessment
COSHH assessment
manufacturer’s instructions.
The most important considerations for setting up a designated mixing area are
location of water and power supply
storage of materials and PPE
location of tools and equipment
protecting the work and surrounding area.
What is the equipment in the image?
Mechanical whisk.
Mixing wheel.
Gauger.
Staff.
What should be used to cover and protect the working and surrounding area when mixing plaster materials?
Plasterboard.
Barriers.
Insulation sheets.
Dust sheets.
When mixing lime, sand and cement, it is best to use a
stick
whisk
mixing wheel
drum mixer.
Extraction systems can be used in a mixing area to minimise
slips, trips and falls
dust contamination
waste build up
electric shocks.
Hazards can be identified in a designated mixing area by reading the
schedule
specification
programme of work.
Correct gauging of sand and cement lime mixes is used to ensure
faster application
correct strength
faster set
reduced material use.
When mixing plaster in a client’s property, what should be used to protect their floor?
Plywood sheets.
Plasterboard sheets.
Perspex sheets.