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ZachRoyGarage

How do I ensure I’m screwing into a structural member?

Documented on the Installing structural screws to help secure our build

Published August 18, 2026

Locate rafters or purlins using measurements from the eave/birdsmouth, a stud finder designed for roofs, or by inspecting the underside in accessible attic spaces.

Full Answer

Locate rafters or purlins using measurements from the eave/birdsmouth, a stud finder designed for roofs, or by inspecting the underside in accessible attic spaces. Mark centers and verify alignment before driving screws.

Related Parts

Structural screws
$0
Solar rack / mounting rails
$0

Related Tools

Personal protective equipment (PPE)
Socket or hex driver bits
Tape measure and marker
Ladder / roof access equipment
Impact driver or drill