Information on the rate of expansion and contraction. Covers various materials at different temperature changes.
To minimize movement of roofing panels a combination of fixed cleats and expansion cleats are required. The top part of an expansion cleat can slide back and forth in the base allowing the metal to expand and contract.
Guidelines on how many cleats should be used and correct spacing.
We Specialize in Tools and Machinery for Standing Seam Roofing, and Portable Rollforming.