T. DARBY | CONTRACTING
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General contracting · Case study

Custom Truss Roof-Over & Metal Roof

Loganton, PA · 2024

A full gabled roof-over built on top of a mobile home's failing original roof. I framed custom trusses on site — oversized at the homeowner's request for extra pitch and strength — sheathed the new deck and wrapped it in Tri-Flex underlayment, then installed ribbed metal roofing over it for a durable, watertight roof that sheds snow.

How the job was done

  1. Assessed the failing original roof and set new bearing points to carry a full gabled roof over the existing structure.
  2. Built custom trusses on site — oversized at the homeowner's request for a steeper pitch and added strength.
  3. Set and braced the trusses, then sheathed the new roof deck in plywood.
  4. Wrapped the deck in Tri-Flex synthetic underlayment for a water-resistant layer.
  5. Installed ribbed metal roofing over the new structure — low-maintenance and built to shed snow.
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