A paint has to be pretty darn flexible to cope with that.
Restoring faded brown guttering.
All surfaces must be clean dry and free of dirt grease grime and mildew.
Scrub the solution on to the surface and allow it to stand for 10 15 minutes then rinse thoroughly.
Should be completely and thoroughly removed.
Work it gently into the plastic give it a few seconds to dry buff it off and there you go.
Let dry and check that all the oxidation is removed.
Use a 12 hydrogen peroxide cream instead of the liquid variety most stores carry.
To ensure a good bond.
You see it is only the surface that is discoloured under that it is as good as new.
Look all you need is a mildly abrasive metal cleaner.
You can use a paint brush or foam brush.
All together took about an hour or so.
Wearing rubber gloves use a grout sponge to clean and wash the gutters thoroughly with the soapy mixture.
Clean the gutters with ez prep concentrated cleaner and water.
Plenty in the tub probably used about 1 8 of it on the door as i lashed it on.
Then brush an even layer of the cream over the area.
Give you a couple more years probably longer than the paint would stay on.
Make a sudsy mixture of liquid dish detergent and water in a bucket.
Rinse well with plain water.
A 4m length of guttering can expand contract over 25mm in length in different temperatures.
All plastic guttering in external soil stack suffer from uv damage.
This can t be avoided but it can be repaired.
If there are missed areas wipe the oxidation with a damp cloth.
Tried lots of different products to revive a very faded 8 year old black composite front door.
You can use a brush or a cloth.
Take it all down and turn it round you will see that it is not faded.
I was sceptical as i always am about online reviews but this stuff really does do the job.
You can restore the color and luster of your dull faded gutters with everbrite.