Certified units are built to city and / or county codes. This means that the unit being built has been approved by a licensed engineer and stamped with his/her seal. These units are built to specifications according to the engineer drawing. This will include the following: 4ft or 3ft on center, depending on wind zone (wind zones that are higher than 110 must have kick legs and be built 3ft on center), 1 auger every 10ft on sides of units if built on the ground, anchor bolts every 2ft if built on concrete, welded power bar bracing on centers and legs, 12ga legs and a certified drawing from a engineer with a stamped seal. The concrete must have footers according to the drawing, 4″ minimum slab, vapor barrier (plastic), minimum 3000lb with fiber mesh. These units come with a 90 day workmanship warranty and a 10 year limited warranty on the framing and a 40 year limited warranty on the metal roofing & siding. These units are classified as residential & commercial units. These units come with a choice of 17 colors.
Non-certified units are not built to any codes or regulations. they are built approximately 5ft on center. They have no bracing and come with standard rebar for anchoring. the legs are 16ga galvanized tubing. If building on concrete the concrete bolts are approximately 4ft to 5ft apart. These units are not guaranteed to withstand any winds, ice, snow, hail, etc. these units only come with a 30 day workmanship warranty. This warranty does not cover any rust fade, chip, on the metal roofing, nor any rust, chipping, or discoloring on the galvanized tubing. These units come with a choice of 8 colors. These units are classified as agricultural units.
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