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The bubble will be tiny compared to the rust underneath, typically- the area needs to be ground back, treated with rust converter and painted, or (if too far gone) the rot will need to be cut out and new metal let in. Then paint.
Dammit-
Aye, figured as much. If there's no bubbling on the others, and I get this one sorted - could I get stuff done to keep the ok ones good for longer?
Are those plastic protectors good for anything (other than making the arches look shit)? I guess I'd have to clean the arches up and silicone them on as they'd just be trapping moisture in otherwise. I have no clue tho.
Nef
Bubbling arches - any tips to prevent them when they’re a known issue? Got one tiny spot coming through, anything I can do to nip it in the bud?