KEYSTONE BOX/K-75 STEEL BOX LINTEL 1500 x 75mm HIGH KBX7515

Box lintels can be used for internal or external openings and with a variation of wall thicknesses. The Keystone box lintel has perforations along its length acting as a plaster key. As an optional extra Keystone box lintels can be insulated. The Keystone box lintel is designed to carry the full load of wet masonry as soon as it is installed.