Are you scraping back to bare wood everywhere? You don't usually need to do that. Just remove loose and flaky paint, cut out rot and fill holes.
If using a heat gun on old paint, I suggest a respirator with gas and vapour (P100) cartridges. These are usually pink.
I'm only going back to bare wood where I need to. The house was re-painted about 17 years ago and was stripped back to bare wood. Areas I do need to strip are where the boards have been as weathered and is exposing bare timber.
Also what is a recommended grit sandpaper just to take the 'edge' of the existing paintwork?
Are you scraping back to bare wood everywhere? You don't usually need to do that. Just remove loose and flaky paint, cut out rot and fill holes.
If using a heat gun on old paint, I suggest a respirator with gas and vapour (P100) cartridges. These are usually pink.
I'm only going back to bare wood where I need to. The house was re-painted about 17 years ago and was stripped back to bare wood. Areas I do need to strip are where the boards have been as weathered and is exposing bare timber.
Also what is a recommended grit sandpaper just to take the 'edge' of the existing paintwork?
120 or 150 grit should see you right. You just want to take the glossiness off it. A random orbital sander does a good job on rusticated weatherboards. I wouldn't use a belt sander or angle grinder sanding attachment if you're just scuffing it up for a re-coat. They're a bit aggressive and can leave marks.
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