Description
Wall widths 100-215mm.
The Keystone BOX/K 200 is a standard load lintel used to support internal openings with 200mm wide solid walls.
The Keystone Box Lintel has perforations along its length acting as a plaster key.
Keystone Box Lintels are designed to carry the full load of wet masonry as soon as it is installed.
Box Lintels must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar (Can be insulated as optional extra).
It is recommended that lintels are propped to facilitate speed of construction.
All s are offered as a guide please contact our sales office for further assistance.
Manufactured in 150mm increments.
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