I Really Need Advice With This

[starbrite]

James is right, EcoChem One Restore will work the best for this. DO NOT use MD 80. Cement off is fine for spot applications with your window crews however, for a large project imagine the time/labor involved.

 

[phil@simpole.com]

encover

try soft wash with encover then rinse with pure o tds water
www.simpolewc.com