Not required., SP FireStop Fixing Bracket SP/S - Cavity size: 100 mm (maximum)., SP FireStop Fixing Bracket SP/L - Cavity size: 400 mm (maximum)., SP FireStop Fixing Bracket SP/XL - Cavity size: 600 mm (maximum).
Not required., SP FireStop Fixing Bracket SP/S - Cavity size: 100 mm (maximum)., SP FireStop Fixing Bracket SP/L - Cavity size: 400 mm (maximum)., SP FireStop Fixing Bracket SP/XL - Cavity size: 600 mm (maximum).