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Made in the USA

Zilla products are wholly obtained, produced, manufactured, and assembled in the United States of America in compliance with American Iron & Steel (AIS), the Buy American Act, and Buy America requirements.

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The Ballast Block Assembly is an installation option for flat or nearly flat roof surfaces when additional perforation of the roofing membrane is not desired. Engineered to meet collector uplift criteria while dispersing point loads without mechanically attaching to the roof structures. Shipping expense minimized by allowing for local sourcing of ballast materials.
  • flat or nearly flat roofs
  • non-penetrating option
  • disperses point loads without penetrating roofing materials
  • reduced shipping cost
Part No.: ZBBA-T, ZBBA-B, EB 3/8-16 x3.0
Material: Galvanized Steel
Weight: 11 lbs each

Finish: Silver



Zilla product innovations embody intellectual property which includes one or more of the following patents: US Pat. 8,448,405; 8,479,455; 8,661,765; 8,689,517; 8,707,654; 8,707,655; 8,752,338; 8,833,032; 8,833,033; 8,869,490; 9,068,339; 9,106,023; 9,473,064; D415,847; D617,174; D636,656; D639,143; and/or D639,144.


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