Avoid painting in direct sunlight. Sunny conditions may be ideal as a contractor outside, but direct sunlight can cause paint to dry far too quickly. We often hear customers protest — surely you want the paint to dry quickly!
To understand why paint drying fast is an issue, you will need an understanding of how paint works. Typically, in order to adhere properly to the substrate, paint requires to soak onto the surface to absorb properly. If you are looking to paint in the Summer it is important to realise the sun can work against your plans.
This is vital for understanding the ideal weather conditions for painting. If you notice that the substrate is warm to the touch from the effects of direct sunlight, it would be better to paint external areas during the early hours of the day before the surface has a chance to become warm.
Painting externally in windy conditions can lead to the binding agent — solvents or water — to evaporate too quickly. Just like the effects of direct sunlight this can lead to the paint not having enough time to adhere to the substrate correctly. You will notice that regardless of how warm it is, people will still put their washing out to dry. This is why windy weather can prevent your paint from adhering properly. Also, if you are painting in wind, there is the risk of sediment being blown into the wet coating!
Usually with high temperatures in the UK comes high humidity levels. Humidity is the percentage of water in the air. Humidity affects the drying of paint regardless of the suspension liquid within the formulation. When humidity is high, the paint is exposed to a greater amount of water vapor. With more moisture in the air, it takes longer for the water or solvents within the paint to evaporate.
Manufacturers of industrial paints will always provide a product data sheet. This will advise on the highest level of relative humidity, at which you can apply that the paint. We advise, that before commencing any painting job please consult the safety data sheets on our website.
With products such as road line marking paint or thermoplastic , warm road surfaces prevent new line marking from sufficiently attaching to the tarmac or concrete. In order to apply these types of products, the substrate must be properly cooled to allow for proper application. And what about an upper limit? You will, however, want to pay attention to the surface temperature of the exterior walls of your house.
Then we mount the boards on angled racks on the roof of our headquarters in Yonkers, N. We wait. Each year of testing is equivalent to about three years on vertical surfaces. Three years later, our results give you an idea of how the paint will look after nine years. We also test for mildew resistance by placing painted panels on vertical racks in a shady area of our campus. All are self-priming, but be sure to check the can for situations when priming is advisable.
For more details, check our paint buying guide for exterior and interior paint. Exterior paints have improved over the past decade. But they seem to be less resistant to dirt buildup. Do you have some painting projects planned for your home? I've spent more than a decade covering lifestyle, news, and policy.
At Consumer Reports, I'm happy to sit at the intersection of these specialties, writing about appliances, product safety and advocacy, consumer fairness, and the best tools and products to help you spruce up your home.
When I'm not putting pen to paper, I'm exploring new cultures through travel and taking on home makeover projects, one room at a time. We respect your privacy. All email addresses you provide will be used just for sending this story. By Tanya A. Once the rainwater evaporates, the bubbles may subside and your paint job may be no worse for wear.
Toggle navigation button. Optimal Temperature to Paint: 1. Since temperature varies more widely outside, that is where most issues arise. We recommend planning your painting project for temperatures ranging from 1. Every Benjamin Moore product has its own specifications and optimal temperature range, which you can find on the product label or its Technical Data Sheet.
Paint Temperature, Surface Temperature, Humidity and Rain In most cases, paint will be the same temperature as its environment, so consider where it is stored. A paint can left in an unheated garage all winter will retain a cold temperature for some time.
Bring it inside overnight so the paint can warm up to a temperature within its specified acceptable range.
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