Do this as soon as any spots start to show the steel underneath or do it a little sooner if you are trying to sell your house.
Painting steel siding on a house.
This is followed by fading and thinning of the color.
For steel use a latex bonding primer instead of a regular metal paint primer.
If lead is present contact a licensed lead abatement specialist.
The first step includes cleaning.
Then apply the primer to the metal siding in even strokes.
Use a magnet to determine if your siding is steel versus aluminum because magnet will stick to an steel siding but not aluminum.
A new paint job was the solution.
Cover ground and nearby shrubs with drop cloths.
That is how you can get the paint to adhere to steel siding.
This will help clean away all the dirt that accumulates on the steel siding.
Start at the top of the wall and across the length of the metal siding.
Depends on the weather but three or four or five hours is not unusual.
Since any of this is clearly bad for your metal siding it is vital that you re paint your metal siding.
Or you could wash it by hand with tsp or a similar product available at home centers and paint stores and rinse it thoroughly.
Aim the sprayer nozzle directly at the panels eight inches from the siding surface.
Check the label to be sure it s recommended for metal siding.
Test old siding paint for lead using a lead test kit.
It also helps to peel away the previous paint on the steel siding leaving it neat and clean.
Step 1 clean the steel siding.
When this happens the metal is exposed to the elements and will start to eventually rust.
As with all exterior painting projects proper surface preparation is the key to restoring your metal siding.
The best way to get this siding clean is to power wash it.
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.
Create your solution and clean the siding.
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.
Inspect the siding for mildew powdery paint pigment and mildew.
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.
Rub siding with cloth to check for powdery paint pigment and mildew.
The first sign that this is beginning to happen is a loss of the glossy look that new siding has.
Begin by thoroughly cleaning your siding of all loose dirt chalk and other contaminants.
When ready pour the primer into the paint container on the sprayer or pour the primer into the paint tray.
But i would use the oil based rust oleum primer which by the way takes forever to dry.
Try tapping on the siding because aluminum sounds hollow and lightly metallic.
Wash the steel siding with trisodium phosphate tsp and use a pressure washer to rinse thoroughly.
Expect to pay the premium for good paint.
