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Is it better to brush or spray hardboard masonite? Some posts on here indicate brushing is better... however, I've been told that it's all about the application.
I have a quote to have the house sprayed with 1 coat SW SuperPaint - which according to contractor should last 5-7 years. The cost to paint it includes caulking and power washing. My house is relatively on the small side, 2 story though. Cost is quoted close to 3K - seems on the high end for 1 coat of spray. Trim will be brushed though...
I know we have discussed this before and I'm sure I posted in that thread.
We built our home 20 years ago with Masonite. I've had the home painted twice. We usually paint every 8 years or so. I find that as long as you keep the masonite clean and you maintain it, you'll have to paint less.
Having said that, I have used The Paint Company both times. Steve BRUSHES. I can't remember...but it is either 1 coat on the masonite and 2 coats on the trim or is it 2 coats on the masonite and 1 coat on the trim??? Maybe you can find the old thread!
The important thing is to get the underside edges coated well with paint. It is far better to brush masonite siding. If spraying, everything should be backbrushed.
I would also HIGHLY recomend upgrading on the materials. I would use either SW Duration or Ben Moore Aura.
For a couple hundred more in materials you get a far superior coating.
Brush, without question. The lower lip and overlap needs to be extremely well covered to prevent deterioration. Moisture hangs on the lip of the siding board via surface tension, and if that underside edge is not fully protected, the hardboard siding (masonite is actually just a brand) will suck that moisture up like a sponge. Also, the nail heads should all be caulked/sealed as well due to those areas being another entry point for moisture. It is more expensive to paint that way, but not nearly as expensive as it is to replace your siding.
The undersides can't be properly coated by spraying? Why doesn't spraying properly coat these - just curious. I'm just trying to figure out why I'm being told by the contractor that it's fine to spray this type of siding.
And isn't is not good to seal the overlaps with paint? By overlaps, I mean if you stand under the siding looking up, you can see a very small gap between the lip and the board below it.
The house isn't painted like that now - meaning, these overlays aren't sealed.
http://www.ci.aurora.or.us/RULES/OR%20Aurora%20Appendix_files/image030.jpg (broken link)
Masonite siding is basically a clapboard. Each board overlaps the previous board- as applied from bottom to top.
The bottom edge- that 3/8" thickness- on every board is what is suspect to deterioration and rot because it doesn't get a sufficient amount of paint when being sprayed. Versus being painted with a brush- getting a good coat of paint on that bottom edge.
And since the boards don't have a minute drip edge- they tend to hold a lot more water- as sg had mentioned previously.
Spraying is fine as long as the painters actually know how to spray.You should always overlap by 50% and at an angle to coat the undersides but most don't do this.There's no need to back brush paint if applied right only stain needs back brushing.
As far as the materials S&W Super Paint is good and if you want you can upgrade to either Duration or Resilience.Personally I'd stay away from the Aura,we've had more problems than good results with both their interior and exterior paints.At $50.00/gal. it should basically apply itself.
As long as it's prepped right and washed good you should get 6-8 years out of a paint job,weather conditions will pay a major factor in how long you'll get. The more sun exposure you have it'll break down the paint faster and I recommend re-painting the sunnier sides every 3-4 years.Also power washing every few years helps extend the life by keeping it cleaner and dirt free,especially here in the N'East where we have a lot of acid rain and harsh winters.
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