Spray the baking surface completely so that the mold surfaces are saturated with hydrogen peroxide.
How to remove aluminum gutters.
Put the claw of 1 hammer on the head of the gutter nail then hit it with the other hammer when the nail is loose give it a firm follow through hit.
Remove the elbow where it s attached to the drop outlet on the gutter and then the downspout assembly can easily be removed and placed out of your way.
It might sound convenient but letting a large piece of gutter fall to the ground is unsafe.
You need to do this step first because an attached downspout makes removing the gutter more difficult and awkward.
To remove the nails all you need is two hammers and someone to catch the gutters.
If the gutter is very long be cautious removing it.
These may require you to vigorously scrub or make take several attempts but it can all be removed.
Pour 3 hydrogen peroxide into the spray.
With the above safety procedures in mind use a power drill in reverse or a screwdriver to remove the screws underneath the roof or in the siding holding the gutter in place.
Now it is usually slipped completely out without damaging the gutter.
Be sure to follow the manufacturer s instructions and recommendations for any cleaner.
Simple green makes a concentrated environmentally safe cleaner with good stain removing properties.
Measure the gutter and cut the block to fit snugly between the fascia and the outer lip of the gutter filling the void with solid wood.
Remove the downspout first.
For aluminum try gutter zap which removes electrostatic bonded streaks with little scrubbing.
You can make a pry block from scrap 2 4 or 2 6.
Using a soft bristle brush scrub with one part bleach and four parts water solution.
Then simply place the block in the gutter and use your hammer or pry bar against it to pull out the nail and remove the ferrule.
You can also use a bleach spray like clorox with bleach.
Allow it to stay on the surface for 10 minutesuntil hydrogen peroxide kills the mold then wipe the surface to remove the mold and any stains it leaves.
Finally wipe the surface to remove mold spores.