Dip a nylon scrubbing brush into the soapy water.
How to remove black stains from aluminum gutters.
You can try a variety of products but success depends on your geographic area.
Set up a ladder at one end of the gutter and fascia where the black streaks are located.
Here are some products to try.
If you haven t cleaned the debris out of your gutter yet do this first with a garden trowel.
Simple green any oxygen bleach whitewall tire cleaner alumklean by wsi or a mixture of 1 3 cup of a strong household detergent and 2 3 cup of tsp cleaner.
Rinse with water and if necessary reapply the chemical to remaining stains and brush again.
How to get black streaks off gutters fascias step 1.
Fill a bucket with a mild liquid soap such as dish soap laundry detergent or body wash.
The black streaks are a result of electrostatic bonding of tar asphalt from roofing material and other debris to aluminum metal material.
Brush the gutter with a stiff bristle brush.
Using a power washer clean your gutters to get the initial mildew and grime off.
Climb up the ladder and.
Attach a soft bristled brushor mop to the end of an extension pole.
Once the mixture is applied to the gutters let it stay for 10 15 minutes before rinsing it off with a garden hose and a nozzle sprayer.
How to remove stains from white gutters.
Rust residue dirt buildup and.
Fill the spray bottle with gutter cleaner.
Streak getter will break down this bond which will allow you to remove the unwanted streaks off your aluminum gutter with little effort no scrubbing.
On stubborn streaks let the chemical dwell longer being careful not to let it dry.
Spray down those gutters while you re at it.
Apply the chemical according to the manufacturer s instructions.
Scrub the gutters with the soap mixture to clean them.
For that mix half cup of household liquid detergent with a half cup of bleach in two gallons of water.
Or grab a ladder that can remain stable while scrubbing from it.
Use this solvent to scrub off the outer surface of your gutters with a stiff brush or a piece of cloth.
The warmer it is outside the better it works.