Isabella Flores
Dunn-Edwards offers a range of paints suitable for cold weather application, with some latex paints formulated to cure at temperatures as low as 35 degrees Fahrenheit. However, storing paint in cold conditions can cause issues, with temperatures below 50 degrees Fahrenheit impacting paint application, adhesion, and drying. When painting in cold weather, it is recommended to plan ahead, especially for exterior jobs, and to aim for the warmest part of the day, typically between 10 am and 2 pm.
| Characteristics | Values |
|---|---|
| Dunn-Edwards latex paints curing temperature | 40 degrees Fahrenheit, with some going as low as 35 degrees Fahrenheit |
| Environmental factors that could affect paint's performance | Lower substrate temperature, high humidity, high dew point, drastic temperature changes during the curing phase |
| Critical drying time | First 48 hours |
| Optimum temperature for curing exterior paints | Warmest and driest time of day, between 10 am and 2 pm |
| Temperature to avoid painting | Below 50º F |
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What You'll Learn
- Dunn-Edwards latex paints cure at temperatures as low as 40°F, with some at 35°F
- Environmental factors like humidity, dew point, and temperature changes can affect paint performance
- Interior ultra-premium paints like SUPREMA® offer superior durability, washability, and block resistance
- Exterior painting is best done between 10 am and 2 pm, starting where the sun is shining
- Mildew is caused by fungi feeding on oil in oil-based paints or protein thickeners in latex coatings
Dunn-Edwards latex paints cure at temperatures as low as 40°F, with some at 35°F
Dunn-Edwards latex paints are formulated to cure in temperatures as low as 40°F, with some curing at 35°F. This is in contrast to many other cold-weather latex paints, which cure at temperatures just under 50°F.
This means that Dunn-Edwards paints can be used to extend the painting season, allowing painters to continue working even as temperatures drop. However, it is important to note that other environmental factors can affect the paint's performance. For instance, a lower substrate temperature, high humidity, high dew point, and drastic temperature changes during the curing phase can cause issues. Therefore, the first 48 hours of drying time are critical, and it is essential that the air temperature and substrate temperature meet the minimum recommendations.
To ensure optimal paint performance in cold weather, it is advisable to plan ahead and select ultra-premium products like Dunn-Edwards EVERSHIELD®, which offer superior alkali burnout resistance and surfactant leaching resistance. Interior products such as Dunn-Edwards ultra-low VOC SUPREMA® can also be good options for cold-weather painting as they require fewer coats, reducing disruption to occupants and completing jobs faster.
Additionally, when painting in cold weather, it is recommended to take advantage of the warmest and driest time of day, typically between 10 am and 2 pm. This technique helps maintain the optimum temperature for curing and can improve paint performance. However, it is crucial to avoid painting in direct sun during cold weather as it can increase the tendency of the paint to skin in the roller tray or container.
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Environmental factors like humidity, dew point, and temperature changes can affect paint performance
Dunn-Edwards paints are formulated to cure in temperatures as low as 40°F, with some going as low as 35°F. However, it is important to note that other environmental factors, including humidity, dew point, and temperature changes, can significantly impact the performance and curing of paint.
Humidity
High humidity can slow down the drying process and affect paint adhesion. It is recommended to postpone painting if the humidity level exceeds 70%. Proper ventilation and the use of dehumidifiers or fans can help maintain a stable environment and improve durability.
Dew Point
The dew point is crucial as it directly affects the moisture on the painted surface. When the dew point is close to or higher than the surface temperature, moisture accumulation can occur, hindering the paint's adhesion. This can lead to common issues such as cracking, bubbling, or peeling. To ensure proper adhesion and a smooth finish, the dew point should be at least 10°F lower than the surface temperature.
Temperature Changes
Temperature changes can affect paint performance in various ways. At low temperatures, the paint's viscosity increases, impacting brushing performance and coating quality. Curing time is prolonged, and sagging may occur during the drying process. Some paints, such as epoxy and polyurethane, cannot be used below certain temperatures (10°C and 0°C, respectively). On the other hand, high temperatures cause faster evaporation of solvents and thinners, leading to wrinkling, exposure, and blistering.
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Interior ultra-premium paints like SUPREMA® offer superior durability, washability, and block resistance
Dunn-Edwards paints can be stored in cold weather, but there are some things to keep in mind. While exterior painting can be done in cooler temperatures, it is important to check the local weather report and schedule exterior painting jobs only when conditions are favourable. As temperatures cool, it is important to read paint labels and technical bulletins.
When temperatures fall below 50°Fahrenheit (10°Celsius), paint application, adhesion, and drying problems can occur. Therefore, the temperature of the surface to be painted, the air temperature, and the paint itself should be checked. If the paint is stored overnight at cold jobsites or garages, there may be issues in the morning when the painter begins work.
SUPREMA® is a popular choice for Real Estate Investors (Property Flippers), General Contractors, Paint & Wall Paper Contractors, Interior Designers, and Architects. It has excellent flow with a brush and roller, excellent levelling, and a very smooth finish.
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Exterior painting is best done between 10 am and 2 pm, starting where the sun is shining
Painting the exterior of your home is a great way to improve its curb appeal and protect it from the elements. When it comes to choosing the right time for this task, several factors come into play, including temperature, weather conditions, and the type of paint used.
Dunn-Edwards offers a range of paints suitable for cold weather application, with latex paints that can cure at temperatures as low as 35 to 40 degrees Fahrenheit. However, it is important to consider that other environmental factors, such as substrate temperature, humidity, dew point, and temperature changes during curing, can impact the paint's performance.
To achieve the best results for exterior painting, it is recommended to start between 10 am and 2 pm, beginning where the sun is shining. This timeframe offers several advantages:
- Humidity and dew have typically dried by 10 am, reducing the chances of moisture-related issues like bubbling or blistering.
- Starting early gives the paint ample time to dry before sunset, preventing humidity from forming under the paint layer during the night.
- Painting in the late morning and early afternoon provides enough daylight to complete the job without the need for artificial lighting.
- The sun's position at this time helps maintain the optimum temperature for curing, especially when using exterior paints designed for warmer temperatures.
- Starting where the sun is shining allows you to work with, rather than against, the sun's movement throughout the day.
While the 10 am to 2 pm window is ideal, it's important to remain flexible and adapt to the specific weather conditions of your location. Check the weather forecast, and be mindful of temperature fluctuations, humidity levels, and the possibility of rain or windy conditions, which can impact the paint's curing process and the overall quality of your paint job.
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Mildew is caused by fungi feeding on oil in oil-based paints or protein thickeners in latex coatings
Dunn-Edwards provides some tips for painting in cold weather. Firstly, it is important to plan ahead, especially for exterior jobs. Autumn is a good time to check for loose roof tiles, seal openings, and clean gutters. Exterior painting can be done in cooler temperatures, but certain conditions must be met. It is important to check the local weather report and schedule exterior painting jobs only when conditions are favourable. As temperatures cool, it is important to read paint labels and technical bulletins.
When temperatures fall below 50°Fahrenheit, paint application, adhesion, and drying problems can occur. Therefore, the temperature of the surface to be painted, the air temperature, and the paint temperature itself should be checked. If paint is stored overnight in cold jobsites or garages, there may be issues in the morning when the painter begins work. Many cold-weather latex paints will cure at temperatures below 50°Fahrenheit, but all Dunn-Edwards latex paints are formulated to cure down to 40°Fahrenheit, with some going as low as 35°Fahrenheit.
Mildew is a condition that causes discoloration of the paint film. It is not caused by paint but by fungi feeding on the oil in oil-based paints or the protein thickeners in latex coatings. The fungi also feed on the nutrients of the surface material of the substrate, such as damp wood in cool, shady areas. Mildew requires three conditions for growth: food, moisture, and warmth. Removing these three requirements will stop its growth. Moisture is the most important factor in the growth of mildew, which can lie dormant for years if kept dry. For this reason, discolouration is usually found in damp, dark places.
To check for mildew, put a small amount of household bleach on the affected area. Bleach will kill the mildew and whiten it, while areas that are simply dirty will be unaffected. Solutions to kill and clean mildew are available, and surfaces should be thoroughly rinsed and dried before repainting. It is important to avoid using alkyd, oil-based, or low-quality latex paints as they contain organic substances that will feed fungal growth. Instead, use a quality mildew-resistant paint made for humid environments.
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Frequently asked questions
Yes, Dunn-Edwards latex paints are formulated to cure in temperatures as low as 40 degrees Fahrenheit, with some going as low as 35 degrees Fahrenheit.
Aim to apply exterior paints during the warmest, driest time of day, between 10 am and 2 pm. The temperature on the surface to be painted, the air temperature, and the paint itself should be checked and maintained above 50 degrees Fahrenheit.
Cold weather can slow the drying process by up to two days. Other environmental factors such as high humidity, high dew point, and drastic temperature changes during the curing phase can also affect the paint's performance.
Dunn-Edwards EVERSHIELD® is an ultra-premium exterior paint that offers superior performance in cold weather due to its applied hide, alkali burnout resistance, and surfactant leaching resistance. For interior painting, Dunn-Edwards ultra-low VOC SUPREMA® provides exceptional hide and durability, requiring fewer coats and reducing odour.
Take advantage of poor weather conditions by reviewing sales goals, exploring marketing campaigns, and purchasing supplies. Plan ahead for exterior jobs by checking local weather reports and scheduling teams only when conditions are favourable.
