How much paint do you need(Exterior) - Wattyl
How much paint do you need(Exterior) - Wattyl
How much paint do you need(Exterior) - Wattyl
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<strong>How</strong> <strong>much</strong> <strong>paint</strong> <strong>do</strong> <strong>you</strong> <strong>need</strong> (<strong>Exterior</strong>)Use the easy steps below to determine the right amount of <strong>paint</strong> to purchase:1. Measure the perimeter of <strong>you</strong>r house (length and width). Add all 4 numbers together.2. Multiply the perimeter by the height.3. Deduct win<strong>do</strong>ws and <strong>do</strong>ors. An average win<strong>do</strong>w is approximately1.5m 2 and an average <strong>do</strong>or is 2.5m 24. Divide by 14. (This figure compensates for minimal <strong>paint</strong> loss)Length + Length + Width + Width = Total Perimeter (m)Total Perimeter x Height - Doors & Win<strong>do</strong>ws = Total Area (m 2 )Top TipAlways round upto ensure that <strong>you</strong>have enough <strong>paint</strong>to complete the job.Total m 2 ÷ 14= Number of litres required per coatBelow table is a guide only. Application technique, surfacetexture & porosity will all affect actual usage rates.Wall DimensionsPerimeter in metres around the house16m 18m 20m 22mWall HeightHeight in metres4.0m3.7m3.4m3.1m4.0L3.5L3.5L3.0L4.5L4.0L4.0L3.5L5.0L4.5L4.5L4.0L5.5L5.0L4.5L4.5LWhen using this table: Wood Primer, Undercoatand other finishes on porous textured surfacescover less than 14 square metres per litre. As aguide allow 20% more on rough and poroussurfaces. For exterior narrow weatherboardsallow 10% more; for masonry surfaces allowup to 100% more on the first coat.HeightLengthWidthL = Litres per coat
Which tools are best (<strong>Exterior</strong>)Using quality tools will ensure the best finish, below is a suggested guide.Application tools for water based <strong>paint</strong>Suitable for:Solagard Masonry Matt & Low SheenSolagard (Satin & Gloss)Brush/RollerMedium to long nap synthetic roller (use longer nap onrough surfaces) or quality synthetic brush.Short nap synthetic roller on smooth surfaces or qualitysynthetic brush.Top TipLightly moisten brushes or rollers withwater before starting and keep themworking freely during use.Application tools for oil based <strong>paint</strong>Suitable for:Brush/RollerTrims (High Gloss) Short nap mohair roller or quality brush.Top TipLightly moisten brushes or rollers withmineral turps before starting and keepthem working freely during use.
Checklist (<strong>Exterior</strong>)Protection & SafetyDrop SheetsTurps for clean up of solvent based productPlastic wrap (to cover brushes rollersbetween coats)GlovesSafety GlassesPreparationScraperSandpaperCaulk/Caulking gunDrop clothHousehold bleach (for mouldy surfaces)Putty KnifeHousehold detergentSanding BlockPaint...Primer (if required)PaintRoller cover (230–270mm)Roller frame (230–270mm)TrayExtension pole Brush (75–100mm)And...Old ClothesGood lightingRags for clean upYour favourite music or radio stationA good sense of humour!TrimAngle Brush (25, 50 or 75mm)Flat Brush (25, 50 or 63mm)Paint PadTrim Roller and FrameBest to tick all the boxes!
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