Chemicals you might use on wood or vinyl siding can cause damage to steel.
Best way to clean metal barn siding for painting.
Put those away and simply make up a solution.
Step 3 fill the cleaning solution.
While a power washer might be a little too aggressive for wood or vinyl unless you re a professional it s the best tool for cleaning steel.
Purchase an inexpensive pressure washer or rent one locally at a home improvement store.
It also helps to peel away the previous paint on the steel siding leaving it neat and clean.
Mix in one third of a cup of laundry detergent with six gallons of water in a bucket and place this liquid inside of your pressure washer.
You will be working with high pressured water so you don t want any live electrical wiring.
Purchase or rent a power washer and spray the house down thoroughly.
Step 1 clean the steel siding.
Using the lowest pressure setting spray plain water over the building to pre soak the structure.
The first step includes cleaning.
Use tsp to wash all metal surfaces to be painted.
How to properly clean steel siding.
Also this gives you a chance to inspect and repair the siding.
A mixture of one part ivory to three parts water is recommended as a general purpose cleaner.
This will help clean away all the dirt that accumulates on the steel siding.
Begin by thoroughly cleaning your siding of all loose dirt chalk and other contaminants.
A paper and tape dispenser is a convenient tool.
The solution should be applied with a clean soft rag or sponge using a gentle rubbing action vigorous cleaning will remove the stain resistant surface and therein develop further staining in the future.
As with all exterior painting projects proper surface preparation is the key to restoring your metal siding.
Place a roll of painter s paper and 1 inch masking tape on the paper and tape dispenser.
This detergent solution should be made from a tri sodium phosphate for example the laundry detergent name brand spic n span.
Step 4 scrub steel siding.
How to paint a metal pole barn.
Pressure washing is the easiest way to clean a metal building.
Tsp is technically known as trisodium phosphate and is a.
Set your pressure washer to the lowest setting and slowly spray your siding in even strokes.
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.
Wash the steel siding with trisodium phosphate tsp and use a pressure washer to rinse thoroughly.
It is recommended that cleaning either of these be accomplished with a mild solution of detergent.
This is considered the best way to clean your siding since hand rubbing with a brush can scour off dirt better than water pressure alone.
Step 1 turn off power to any outdoor lighting.
Step 5 make a bleach solution.
How to wash steel siding.