After washing the building should be allowed to dry thoroughly.
Prepping siding for paint with garden hose.
A concentrated stream can damage wood seep under lapped siding and break windows.
Poor surface preparation results in poor paint adhesion and is the cause of 80 percent of all coating failures according the the sherwin.
Once the caulk has dried the outbuilding can be given a good rinsing with a garden hose and scrub brush to knock off dirt sawdust and other debris that may prevent paint from properly adhering.
Connect garden hose to pressure washer and attach a fan spray tip to the washer s wand.
On surfaces that aren t suffering from excessive peeling or flaking a regular garden hose and scrub brush will work.
Let the siding and trim dry completely usually two days before painting.
Finally since metal is such a good heat absorber avoid painting siding while it s getting direct sunlight.
How to prepare t111 rough plywood siding for repainting.
With the siding dry remove large pieces of debris with the wire brush broom and even a shop vacuum.
Using a hose a pump sprayer and a scrub brush is slower but safer and just as effective.
If you used tsp to clean the house rinse twice to ensure the solution is completely gone.
When you re done rinse the siding with clean water.
Aim the spray tip at an angle to the surface pointing downward to avoid shooting water under the siding.
As long as the siding is clean you won t need to use a primer unless raw metal is exposed.
Fill the washer s reservoir with bleach tsp water cleaning solution.
Use a 300 degree steam cleaner a rental item or scrub the siding with a very hot detergent solution.
Rinse the entire house with a garden hose until the runoff water is clear.
Gently spray one section of the siding with the garden hose.
Some of the preparation guidelines include.
Dried mud spiderwebs bird nests vacated wasp nests etc.
Lightly sand glossy finishes to remove the sheen called scuff sanding but sand scrape or cut into the surface only as much as is necessary to correct problems.
Aluminum siding paint typically lasts from five to 10 years and.
It s possible to prep the surface using just scrub brushes detergent and a garden hose.
Be thorough as new paint won t adhere well to dirt mildew or failing paint.
A pressure washer with the proper detergent is the most efficient way to thoroughly cleaning exterior siding.
