Winter does no good for the construction industry generally. It is because cement and paint adhesion doesn’t go well with the cold. However, if the average temperature is read in between 15-29’ Celcius, it is good to do outside painting.
Idle temperatures for latex and oil-based paints are between 10-21 and 10-32 degrees Celcius respectively. Heat and cold temperatures are less of a concern in Bhutan. Painting can go around the year except for some days. Know these;
Heat & Paint
Very
high and low temperature affects the adhesion of the paint resulting in peeling
or cracking of the paints. Painting at a very temperature can cause bubbles and
blisters. It is recommended not to paint latex that goes good on the exterior
at a temperature above 32’ Celcius.
Cold
& Paint
Avoid
painting when the temperature is below 10’ Celcius. It is hard to cure paint in
cold weather which affects the overall life of the paint.
Oil-based
paints thicken in cold weather, causing paintbrushes to harden. This leads to
thicker paint application and less coverage. Since paint takes a long time to
dry in cooler temperatures, the painted surface stays wet for a long time,
attracting dirt on the paint.
Humidity
& Paint
Humidity/moisture
is another issue for the paint to adhere to surfaces causing the paint to
bubble and eventually peel.
Sun
& Rain
Avoid
painting in direct sunlight, rather follow the sun’s shadow around the house.
It’s a good rule of thumb to allow the paint to be dry to the touch before the
sun goes down for the day.
No
matter what the temperature outside is, painting is never a work when it’s
raining. Enough dry time is magic for better results.
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