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#1
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Rust Stain on Asphalt Shingles
Does anybody know how to remove rust stains from asphalt shingles? I
have to vents that have left rust streaks running all the way down the roof to the gutters. I have light gray shingles. |
#2
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Rust Stain on Asphalt Shingles
On May 5, 9:04*am, wrote:
Does anybody know how to remove rust stains from asphalt shingles? *I have to vents that have left rust streaks running all the way down the roof to the gutters. *I have light gray shingles. An acid cleaner like CLR might work, I dont know if it will damage shingles. |
#3
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Rust Stain on Asphalt Shingles
wrote in message ... Does anybody know how to remove rust stains from asphalt shingles? I have to vents that have left rust streaks running all the way down the roof to the gutters. I have light gray shingles. Stop the source of the rust perhaps by painting or replacing the nails (with copper) and the stains will fade in a year or two. The rust stain is just particles trapped on the shingle surface not actual rusting of the shingle so a rust cleaner like CLR will have limited effect (except by virtue of the soap it also contains). Plain old dish soap and a garden hose would be how I would start. Don't spray too hard or the grit will come off too much and you'll wish you had left it alone. |
#4
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Rust Stain on Asphalt Shingles
pipedown wrote:
wrote in message ... Does anybody know how to remove rust stains from asphalt shingles? I have to vents that have left rust streaks running all the way down the roof to the gutters. I have light gray shingles. Stop the source of the rust perhaps by painting or replacing the nails (with copper) and the stains will fade in a year or two. The rust stain is just particles trapped on the shingle surface not actual rusting of the shingle so a rust cleaner like CLR will have limited effect (except by virtue of the soap it also contains). Plain old dish soap and a garden hose would be how I would start. Don't spray too hard or the grit will come off too much and you'll wish you had left it alone. You can remove the rust stains easily with oxalic acid. But, first you must eliminte the source of the rust or they will re-occur. |
#5
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Rust Stain on Asphalt Shingles
On May 5, 8:00*pm, Boden wrote:
pipedown wrote: wrote in message ... Does anybody know how to remove rust stains from asphalt shingles? *I have to vents that have left rust streaks running all the way down the roof to the gutters. *I have light gray shingles. Stop the source of the rust perhaps by painting or replacing the nails (with copper) and the stains will fade in a year or two. *The rust stain is just particles trapped on the shingle surface not actual rusting of the shingle so a rust cleaner like CLR will have limited effect (except by virtue of the soap it also contains). *Plain old dish soap and a garden hose would be how I would start. *Don't spray too hard or the grit will come off too much and you'll wish you had left it alone. You can remove the rust stains easily with oxalic acid. *But, first you must eliminte the source of the rust or they will re-occur.- Hide quoted text - - Show quoted text - Thanks for the advice. I have already taken care of the rust with some black rustoleum. Where can I buy some oxalic acid? |
#6
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Rust Stain on Asphalt Shingles
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