What kind of surface preparation prior to coating will be effective and at the same time economical for the aluminum window frames on a large commercial office building? The aluminum was coated originally with a baked-on fluoropolymer which has lost most of its gloss. Maintenance recoating will be with an air-dry fluoropolymer.
FEBRUARY 25
- MARCH 1, 2019
![](../global/images/spinner.svg)
LOADING CONTENT