This article will cover what spraying.
Spray and backroll siding.
It s helpful to look at some pictures i think.
Visit how to use a paint sprayer.
A modern siding example.
Considering using hardi board siding on new construction and in their instructions on the hardi web site they say to back roll if the siding is to be spray painted.
Wondered why and called hardi and their tech support guy says this is because when spraying some people tend to not get enough coverage and rolling would even out the coverage.
So anywhere we re dealing with a porous surface we either need to spot address the areas in our prep work before we spray or take a more global approach and spray and backroll.
Try back rolling on new textured drywall.
Spray machines lay the paint on top of the surface.
This creates a filled protected smoother surface.
This is great as long as the surface is smooth ie.
Such as new textured drywall or old clapboard siding.
On rougher surfaces the sprayer cannot force the paint into the grain allowing the coat to dry and trap millions of microscopic air pockets underneath.
Caulking 65 year caulking exterior interior concrete sealing joint sealing asphalt sealcoat.
Decks repair install decks repair install fences repair install soffits sealing.
However other contractors seem to simply spray their coating and nothing else.
If a small patch to your paint job is needed on a wall that was back rolled it can be applied.
After you have completed the eaves spray the exterior walls themselves.
What you see below is a house sided with lp smart panels.
Spray techniques for more spraying pointers.
Often times you will see a contractor who is using an airless paint sprayer but has an additional worker behind the employee spraying using a traditional paint roller.
The installation process is the same as with any other wood paneling with the panels held securely in place by a series of siding nails.
Cut in around windows and doors first and then spray the remaining flat areas overlapping each pass by 50.
Immediately using a roller after spraying can push the material into these small cracks and surface imperfections.
Overlap your spray passes pass by 50.
For many contractors this is the standard method they use in applying coatings like latex or interior paints.
Hardie boards or cedar siding previously back rolled.
Lp smart siding is a composite siding material made to work like and resemble traditional wood paneling.
This problem can occur to both interior and exterior surfaces.