Repair & Renovation Guide 103 Calculate the amount of paint you will need. Measure the length of each wall you want to paint and multiply it by its height. The result is its squares (meters, feet, etc.). Repeat for each wall you want to paint. Add the squares. Measure width and height, for every door or window that is a part of the space. Find the total squares of all the door and window frames, and subtract it from the squares of the walls and you have all the square meters/feet of wall surfaces to be painted. Find out the yield in squares per lt or kg of paint from its packaging (bucket), or the technical brochure of the product you have chosen and easily calculate the amount of paint you will need to purchase. For ceilings, measure the length of the room, multiplied by its width, and find out the squares of the room/ area. In the total quantity of paint you need, add about a 10% extra, just to be safe and not to run out of paint at the late stage of your project. The proper order of things. Ceilings, walls, doors, closets, and finally any metal surfaces, are the logical order for their painting. The second coat of paint follows when the first coat has dried thoroughly. First, begin with the corner cuts using the appropriate paint brush, and then continue with the roller. Apply the paint on the wall using your roller, perpendicular to the walls and consistent to the end (from top to bottom and not right-left). Avoid applying paint: • At temperatures below 8°C and above 35°C. • Outdoors, in very hot or frosty conditions, or with strong winds. • ‘A chance for rain’, or high humidity in the environment, are a strong deterrent to outdoor painting. • Indoors, do not apply paint when the heat is on or with insufficient ventilation.
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