The
arches illustrated are suitable for masonry openings
up
to 10 feet (3m), assuming arching of brick-work above
lintel, and single wythe brick veneer.
For
more heavily loaded arches, or for wider arches, Halfen
can design systems which include mid-span or third-span
supports connected to the structure above or behind the
lintel.
Concealed
lintels may also be designed to suit brick sizes or coursing
not illustrated here. Please consult with Halfen for specific
details or to obtain design assistance.