Keystone Box Lintel Box/K-100 Lintel

Keystone Box Lintel Box/K-100 Lintel Keystone Box lintels can be used for internal or external openings and with a variation of wall thicknesses. The box lintel is designed to carry the full load of wet masonry as soon as it is installed. Keystone Box lintel available for delivery to selected postcodes. Technical information click here.