Bitumen-impregnated sheets – damaged fixings

Loose, corroded or missing fixings in bitumen-impregnated cellulose (wood) fibre corrugated sheets

Causes

Movement of roofing sheets

Wind

Corroded fixings

Cause

Movement of roofing sheets

Repair

  • tighten fixings
  • replace fixings as required using spiral-shank nail fixings or roofing screws 

Cause

Wind

Repair

  • tighten fixings
  • replace fixings as required using spiral-shank nail fixings or roofing screws 

Cause

Corroded fixings

Repair

  • tighten fixings
  • replace fixings as required using spiral-shank nail fixings or roofing screws