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Discussion Starter · #1 ·
Like one or two others I'm sure, I've had issues spraying in the spring and fall, especially with dark colors. I've got a job that we didn't finish last year that I'd like to get done here in the next few weeks as the weather's starting to improve. The problem is it's spraying gutters and some handrails in black.

In order to avoid problems that I've had in the past I'm going to be a bit more scientific this time, rather than just painting when it's warm and dry out and not too late in the day. Do I understand the dew point correctly that if the overnight temperatures don't drop below the dew point there will be no moisture on the substrate overnight? I'll be using Regal soft gloss. Thanks in advance.
 

Monarchski
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Like one or two others I'm sure, I've had issues spraying in the spring and fall, especially with dark colors. I've got a job that we didn't finish last year that I'd like to get done here in the next few weeks as the weather's starting to improve. The problem is it's spraying gutters and some handrails in black.

In order to avoid problems that I've had in the past I'm going to be a bit more scientific this time, rather than just painting when it's warm and dry out and not too late in the day. Do I understand the dew point correctly that if the overnight temperatures don't drop below the dew point there will be no moisture on the substrate overnight? I'll be using Regal soft gloss. Thanks in advance.
What about the new Element Guard from BM?

This premium exterior paint can be applied as soon as 60 minutes before rainfall and in temperatures down to 35掳F. It provides excellent adhesion and resistance to cracking and peeling to withstand wind-driven rain, humidity and other harsh weather.

  • Resists exposure to rain as soon as 60 minutes after application*
  • Low temperature application down to 35掳F extends the painting season
  • 100% acrylic resin delivers excellent adhesion and resistance to peeling and cracking to provide premium results that will last
  • Provides a mildew-resistant coating
  • Limited Lifetime Warranty (see TDS for details)
  • Engineered with Gennex庐 Color Technology
  • View the brochure for more information (English)
  • View the brochure for more information (Spanish)
 

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Element Guard sounds like a good choice. However, as with any coating, good painting practice is to insure that surface and air are 5 degrees above the dew point. This can change dramatically when the sun sets. Always have a non-contact surface temp thermometer when appliying paint to exterior surfaces and check local dew point on your phone. Even though the air temps says 80 degrees, the surface temp may be 120 degrees and way out of spec. I may be saying things many already know The Element Guard TDS says 90 minutes for moisture event after application. For deep colors, if the primer is tinted dark to a color, be careful not to load too much colorant in the deep base as this will create more problems than the Element Guard. Even the Gennex colorant can leach and slow dry times. Always give primer longer times to dry as solvent entrapment and blisters will develop if a dark primer is coated too quickly. I believe Ben Moore says 11 oz in a deep base primer. I would cut that in half. Similar with other brands as some still use a glycol based universal tint system which is much worse for dry times and potential leach.
 

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Discussion Starter · #5 ·
What about the new Element Guard from BM?

This premium exterior paint can be applied as soon as 60 minutes before rainfall and in temperatures down to 35掳F. It provides excellent adhesion and resistance to cracking and peeling to withstand wind-driven rain, humidity and other harsh weather.

  • Resists exposure to rain as soon as 60 minutes after application*
  • Low temperature application down to 35掳F extends the painting season
  • 100% acrylic resin delivers excellent adhesion and resistance to peeling and cracking to provide premium results that will last
  • Provides a mildew-resistant coating
  • Limited Lifetime Warranty (see TDS for details)
  • Engineered with Gennex庐 Color Technology
  • View the brochure for more information (English)
  • View the brochure for more information (Spanish)
Oh really? I hadn't heard of that stuff yet. Sounds like a great choice for spring and fall.
 

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Discussion Starter · #6 ·
Element Guard sounds like a good choice. However, as with any coating, good painting practice is to insure that surface and air are 5 degrees above the dew point. This can change dramatically when the sun sets. Always have a non-contact surface temp thermometer when appliying paint to exterior surfaces and check local dew point on your phone. Even though the air temps says 80 degrees, the surface temp may be 120 degrees and way out of spec. I may be saying things many already know The Element Guard TDS says 90 minutes for moisture event after application. For deep colors, if the primer is tinted dark to a color, be careful not to load too much colorant in the deep base as this will create more problems than the Element Guard. Even the Gennex colorant can leach and slow dry times. Always give primer longer times to dry as solvent entrapment and blisters will develop if a dark primer is coated too quickly. I believe Ben Moore says 11 oz in a deep base primer. I would cut that in half. Similar with other brands as some still use a glycol based universal tint system which is much worse for dry times and potential leach.
Thanks Nace, that 5掳 above was sort of the rule of thumb I was looking for.
 

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Journeyman Painting Contractor
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Thanks Nace, that 5掳 above was sort of the rule of thumb I was looking for.
Another consideration is the Fog. Doesn't have to be below dew point for fog to roll in. I've seen paint run off houses onto the sidewalk from fog. I don't do alot of exterior work anymore, but when I did, I used a lot of Dulux Weather Gaurd, which saved my but a few times when the fog & rain rolled in..
 

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Discussion Starter · #8 ·
Another consideration is the Fog. Doesn't have to be below dew point for fog to roll in. I've seen paint run off houses onto the sidewalk from fog. I don't do alot of exterior work anymore, but when I did, I used a lot of Dulux Weather Gaurd, which saved my but a few times when the fog & rain rolled in..
Yeah funny you should mention it, the October fog we get around here was the first time I surfactant issues.
 

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What about the new Element Guard from BM?

This premium exterior paint can be applied as soon as 60 minutes before rainfall and in temperatures down to 35掳F. It provides excellent adhesion and resistance to cracking and peeling to withstand wind-driven rain, humidity and other harsh weather.

  • Resists exposure to rain as soon as 60 minutes after application*
  • Low temperature application down to 35掳F extends the painting season
  • 100% acrylic resin delivers excellent adhesion and resistance to peeling and cracking to provide premium results that will last
  • Provides a mildew-resistant coating
  • Limited Lifetime Warranty (see TDS for details)
  • Engineered with Gennex庐 Color Technology
  • View the brochure for more information (English)
  • View the brochure for more information (Spanish)
Yes, Element Guard is supposed to be the next industry seller in this product since sw botched up on their similar product reformulated it to the worse. I sell BM and see many customers waiting for this.
 
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