8/6/2019 How to Determine Paint Requirements

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 What you’ll need to get startedon your D.I.Y. Project 

Safety

Read the instructions before beginning your project.

 Always keep tools and materials away from children.

Safety glasses should be worn at all times.

Planning your next D.I.Y. Project 

The Bunnings D.I.Y. brochures are designed to help you stepthe way through your D.I.Y. home projects.

They’ll give you the right advice on what materials you’ll need,how to get the job done and tips and ideas for achieving

the best result.

For more information go to www.bunnings.com.au

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Expert D.I.Y. advice

If it’s advice you’re after, come in and discuss the project withone of our experts. Ask about organising Same Day Delivery, Tool Hire,

Installation or even enrol in one of our D.I.Y. classes.

How to

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8/6/2019 How to Determine Paint Requirements

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How to D.I.Y.Determine Your Paint Requirements

 You can save yourself time and money by pre

determining the volume of paint you require beforepurchasing. This willensure you do not run out of paint in the middle of  your painting task and limit paint wastage from overpurchase.

Please Note:

Information in this brochure is Bunnings’ opinion and we don’t warrant the accuracy or completeness of that information. Bunnings excludes allliability in relation to the statements in this brochure.

 You can count on more coverage for the second coat. Always checkthe coverage information on the label of the paint can, as different types of paint have different spreading capacities. Five litres of paint is generally ample for a 4m x 5m room with a 3 metre ceiling andsmooth, previously painted walls. The ceiling of the 4m x 5m room

 would take 1.5 litres (if you must buy 2 litres, you can reserve theextra for repairs). Professional painters often allow for one quarteras much trim paint as wall paint. You can make a more accurateand economical purchase if you calculate the trim area as suggestedabove. How long will it take? Estimating time brings in a new set of 

 variables. In one hour you are likely to cover about 7 square metres of an ordinary surface, or about 5 square metres of bare wood or plaster.

 You will probably be able to paint that 4m x 5m room with one coat infive to six hours. If you apply two coats, you must allow time for the

first coat to dry. Allow four hours for water-based paint and overnight for oil-based paint (check the paint can label). You can safely reckonon two or three days to paint a room and clean up afterwards.

Planning: Bunnings Warehouse can give you expert advice on colourschemes and what types of paint to use where. We can also save youmoney by calculating quantities. Tell us the measurements of the areas

 you want to cover, the types of surfaces and their condition. All thisinformation will make calculations a lot easier.

D.I.Y. Hints and Tips

1. Top quality paints not only give you easier and better coveragebut are longer lasting and easier to clean than low grade paints.Budget for the best - it pays in the long run.

2. Mould: Generally occurs on warm, moist surfaces in rooms withpoor ventilation such as bathrooms, laundries and sometimesbedrooms. It can be treated with household chlorine bleach, followedby rinsing with clean water. Some times this is enough to restore

the appearance of the painted surface without repainting. If theconditions remain favourable for mould growth then re infection mayoccur. T he installation of exhaust fans and a skylight in these areasis recommended. Further protection can be had by choosing a paint that incorporates mould deterrent. This helps prevent new mouldspores from developing but it will not kill existing mould. Ask ourexperienced advisors at your nearest Bunnings store for advice.

3. Mould/mildew/moss or lichen: Often occurs on surfaces that remaindamp for extended periods. These are best treated with a bleachsolution, such as household bleach. Rins e off the residue and repaint 

 with a paint containing a mould deterrent to prevent future re infectionof the surface.

4. Paint spills/drips: Spills on carpets or upholster y should be covered with polythene sheet or Glad wrap to prevent them drying out. Seekhelp from a professional carpet cleaner immediately. Paint dripsand splatter on enamelled or varnished surfaces should be wiped upimmediately with a cloth wet with water (water-based paint) or turps(oil-based paint). Dried drips can often be removed with lacquerthinner without damaging the surface.

 Where to begin

Calculating area:

For a rectangular room with average sized windows and doors;

Measure the length and width.

Round off each figure to the nearest half-metre and add them together.

Multiply the total by the room height, then double that result. The final figureis the area of your walls in square metres.

From this total, subtract 1.5 square metres for each of the windows and 2square metres for each door.

Ceiling area is the length multiplied by the width of the room.

If the room is an unusual shape:

First measure the height and width of each rectangular section to be painted.

Multiply these figures to get the area, then add them together for the totalarea.

 A stairwell often forms a triangular shape. For the area of the triangle,multiply the lengths of the horizontal and vertical legs and divide by two.

Trim: If you plan to paint the trim a different colour, calculate these areasseparately.

Doors: Allow 2 square metres for each side of a door and 1.5 square metresfor a single size window frame. A skirting board area is its height times itslength (which is generally the same as the perimeter of the room). When youknow the total area you will cover, you have half the information you need toorder paint. The rest depends on the covering capacity of your paint and thesurface it must coat.

Coverage: If your walls are smooth, estimate on covering 14 to 16 squaremetres with a litre of matt or semi-gloss paint. Divide your area figure bythat amount to arrive at the n umber of litres you need for a first coat. If youare using finishing paint on porous, rough or previously unpainted walls, alitre will cover considerably less than that.

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