A barrier or form of guarding, generally waist-height, which protects people from falling where there is a change in floor level, for example stairs and balconies.


A strip of wood, metal or other suitable material attached to the glazing surround to retain the glass.

Body-Tinted Glass

Transparent float glass with a consistent colour throughout its depth.

Bolted Glass Assemblies / Assembly Systems

Structural bolted glazing systems incorporating fixed or articulated bolts.


A form of distortion in toughened and heat strengthened glass, inherent to the manufacturing process.

Bullet-Resistant Glazing

Security glazing affording a defined resistance against the firing of specified weapons and ammunition