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Wall Sleeves, by APS

Wall Sleeves, by APS
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Gal-vo-plast Wall Sleeve
after 500 hours of exposure
Galvanized Wall Sleeve 
after 500 hours of exposure 

Two wall sleeves with two different types of protective coatings were submitted for testing at an independent lab. This test consisted of a 500-hour exposure test (equal to two years) in a B 117 salt fog chamber. This test has been used to a considerable extent for the purpose of comparing different materials and finishes.

One sample had hot dipped galvanized coating and the other had Gal-vo-plast coating. The coatings were of uniform thickness and showed good adhesion.After testing, the submitted wall sleeves were removed from the salt fog chamber for visual examination.

The visual examination revealed no indications of oxidation on any of the exposed surfaces of theGal-vo-plast coating. The visual examination revealed considerable oxidation of the galvanized coating on all exposed surfaces.