For painted surfaces that are in sound condition remove dust with a clean dry cloth de gloss the surface with light sanding and wipe with mineral spirits to ensure good adhesion.
Preparing steel siding for painting.
How to paint steel siding with the paint peeling step 1.
To properly prepare new metal surfaces use mineral spirits to remove grease and apply a rust inhibitive primer before painting.
Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting.
Begin by thoroughly cleaning your siding of all loose dirt chalk and other contaminants.
As long as the siding is clean you won t need to use a primer unless raw metal is exposed.
Cleaning of the surface can be done by hand washing with warm soapy water or with the use of a high pressure washer 2500 psi minimum.
Prepare a solution of tsp and water that is adequate for the area of your siding.
Start at the top of the wall and across the length of the metal siding.
If you are striping a small area then you can do very well with a bucket of water that has some bleach and tsp in it.
Hammer all into place making sure all are flat to the.
Then apply the primer to the metal siding in even strokes.
Finally since metal is such a good heat absorber avoid painting siding while it s getting direct sunlight.
Iron railings siding and so on.
There are a few different methods of doing this depending on how good of a job you want to do how much time and energy you have and how large of an area you are doing.
A thorough washing helps clear dirt and grime from your siding.
When ready pour the primer into the paint container on the sprayer or pour the primer into the paint tray.
Place a low pressure tip onto the washer.
Clean the metal to remove dirt grime and oil before priming with a rust inhibiting primer.
Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint.
For steel use a latex bonding primer instead of a regular metal paint primer.
It is best to wear safety goggles and rubber gloves to protect yourself from the cleaning solution.
Do not use alkyd based paints or oil based primer.
Generally you can use a 50 50 vinegar and water solution for all metal except galvanized steel.
Set the washer to low.
Clean the steel panels with a pressure washer.
The homeowners hated the look but the metal was still in decent shape and they didn t want the expense of re siding the entire house.
Step 1 wash the siding.
Check all the steel siding panels for any loose nails.
Follow the paint manufacturer s cleaning guidelines.
