Just be sure the heat gun you choose is a low temp heat gun below 1100 f so as not to release any lead paint fumes and wear a respirator.
Removing paint from redwood siding.
Solid hide stained would be perfect for this siding.
Redwood is very resistant to decay.
Start with coarse 80 grit sandpaper in a manual hand sander or power sander.
Stained wood siding is about as maintenance free as wood siding can get just give it another application of stain about every 10 20 years.
So the surface should be sanded to get down to fresh clean wood.
Cover any plants around the house with plastic sheets or a tarp.
How to strip paint off wood siding.
To use sandpaper or a power sander to remove paint.
If it is already painted you will want to carefully strip the paint away with scrapers and sandpaper.
After putting on protective gloves and a face mask fill a small bowl with the paint stripper grab your brush and begin applying stripper to the old paint.
Consult your hardware store about the condition of your redwood siding.
There are three basic methods for stripping paint grinding applying heat and using chemicals.
All of them are hard work because the same binders that cause paint to adhere make it hard to remove.
Thoroughly clean the painted surface with degreasing cleaner dish soap or household cleaner and allow to dry.
Fill a paint tray with paint.
Dip a thick nap roller into the paint and use the ridged portion of the tray to roll.
If you don t put paint on the siding to start with it can never peel off.
I suggest thinning it with 1 part thinner to 10 parts water and scrubbing on the stain only after testing a small inconspicuous area.
You will never have any cracking blistering or peeling.
Open the paint can and gently stir the paint being careful to avoid air bubbles.
Spray the painted wood siding thoroughly.
You can also use a roller or paintbrush to apply it to.
Paint thinner or acetone is said to remove paint stains but may also dull dull the finish on your siding.
The only solution now is to remove all of the paint down to the wood and stain it with an oil base solid hide stain.
It can be painted on just the way you.
Clark and his crew considered using several different methods on the winchester siding before making a final choice.
If necessary remove any knobs hinges or other hardware from the wood being sanded.
Make sure to take the time to invest time in this process since the preparation exposes the initial layer of redwood allowing it to breathe and absorb the primer and paint.