Building age

Question 1

Pre-1918 Industrial Buildings

Answer 1

Walls:

• Brick was the primary material, often left unlined.
• Wall thickness: 9 inches (228mm) for small buildings, 18 inches (456mm) or more for larger buildings.

Roofs:

• Originally slate or tile, supported by timber frameworks (rafters, purlins, beams, trusses).
• Many original roofs replaced by sheet materials over time, altering appearance.