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.
How to paint old steel siding.
Use your airless paint sprayer to prime all large surface areas.
Step 4 retouch.
But i would use the oil based rust oleum primer which by the way takes forever to dry.
A new paint job was the solution.
And then i would use the rust oleum top coat.
Step 1 clean the steel siding.
Aim the sprayer nozzle directly at the panels eight inches from the siding surface.
Prime all surface areas to be painted with an acrylic direct to metal primer.
After coating your roller in primer roll quickly but with even.
Spot prime bare areas with a rust inhibitive primer such as diamond vogel s coteall multi purpose alkyd primer iron prime 600 fast dry universal primer.
Then apply the primer to the metal siding in even strokes.
Put on your safety goggles and a fine particle mask.
When priming and painting weather must be considered.
That is how you can get the paint to adhere to steel siding.
Each product will state.
Expect to pay the premium for good paint.
Direct to metal primer is specifically designed to adhere to metal surfaces and provide a strong base for paint.
However over time the original paint coat of the siding had developed a chalky film caused by the old paint film wearing away.
Pay special attention to the type of metal substrate.
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.
The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint.
There are many different types of factory applied coatings used on metal siding.
Step 2 tackle rust.
Apply products on the right day.
Step 3 paint.
Check the label to be sure it s recommended for metal siding.
The first step includes cleaning.
Painting the siding 1.
Depends on the weather but three or four or five hours is not unusual.
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.
Paint the steel siding panels using the sprayer.
How to paint steel siding.
When ready pour the primer into the paint container on the sprayer or pour the primer into the paint tray.
Prime the siding and allow full drying time.
Start at the top of the wall and across the length of the metal siding.
Trigger the sprayer to begin the paint flow and use a back and forth motion to cover the length of the panel with an even coat of paint.