There are three basic methods for stripping paint grinding applying heat and using chemicals.
Removing paint from redwood siding.
This siding should never have had paint on it to start with.
Redwood is very resistant to decay.
Thoroughly clean the painted surface with degreasing cleaner dish soap or household cleaner and allow to dry.
Stripping old paint with a heat gun might be an option you could look into.
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.
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.
If necessary remove any knobs hinges or other hardware from the wood being sanded.
To use sandpaper or a power sander to remove paint.
Cover any plants around the house with plastic sheets or a tarp.
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.
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.
Clark and his crew considered using several different methods on the winchester siding before making a final choice.
Start with coarse 80 grit sandpaper in a manual hand sander or power sander.
You will never have any cracking blistering or peeling.
Spray the painted wood siding thoroughly.
If you don t put paint on the siding to start with it can never peel off.
Open the paint can and gently stir the paint being careful to avoid air bubbles.
Dip a thick nap roller into the paint and use the ridged portion of the tray to roll.
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.
How to strip paint off wood siding.
Fill a paint tray with paint.
Consult your hardware store about the condition of your redwood siding.
All of them are hard work because the same binders that cause paint to adhere make it hard to remove.
Solid hide stained would be perfect for this siding.
Stir the paint stripper thoroughly with a mixing stick and pour it into a pump sprayer.
So the surface should be sanded to get down to fresh clean wood.
It can be painted on just the way you.
If it is already painted you will want to carefully strip the paint away with scrapers and sandpaper.