When Roofing Fasteners Show Their True Colours

Many claims are made by importers and distributors of roofing fasteners about the

wonderful corrosion resistance of their fasteners and how their fasteners conform

to various standards.

Kare Industrial Suppliers decided to put these claims to the test and submitted the nine

most popular roofing fasteners used in South Africa for testing at the S.A. Bureau of Standards.

The tests were monitored by two independent experts; one a doctor in metallurgical

engineering and the other a professor in material science.

One of the tests fasteners have to pass in order to comply with SANS1273 Class 3

requirements is a 1000 hour salt fog test. After the completion of the test, red rust on the fastener head and shank cannot exceed 5%.

Out of the nine samples submitted, five were Class 3 screws and four were Class 4 screws.  The photos below show the nine fasteners (in random order) after the 1000 hour Class 3 test was completed.

Kare Industrial Suppliers supplied four of the nine fasteners that were tested. – Two Class 3 brands and two Class 4 brands

BASED ON THE RESULTS OF THIS TEST AND OTHERS THAT ARE DONE ON A REGULAR VASIS, WE CAN UNEQUIVOCALLY STATE THE FOLLOWING:

• Our Zap® self drilling screws outperformed ALL other product offerings tested
• One competitor’s claim that their Class 4 screws offer double Class 4 protection did not even pass Class 3 requirements
• Another competitor claiming compliance with international standards on their proprietry coating also failed the basic 1 000 hour salt fog test

ASK YOURSELF THE FOLLOWINFG QUESTIONS:

• As a Specifying Professional, are you willing to risk your reputation on substandard fasteners with dubious performance claims?
• As a Roofing Contractor, are you sure the fasteners that you sue won’t result in expensive call-backs and repairs due to fastener failure?
• As a Procurement Officer, are you really getting the true Class 3 & Class 4 coated fasteners you paid for? Or are you getting cheap imitations?

With a proven track record of supplying quality fasteners to the South African roofing industry for 32 years, offering the trusted Zap brand, Kare Industrial Suppliers offers you:

• True value for money
• The widest range of roofing fasteners available in S.A.
• Fasteners conforming to SANS1273 standard
• Nationwide distribution
• Expert technical advice