Lane International Corporation has developed and patented the first
steel reinforced polypropylene ladder. The 11-1/2" step width is suitable
for manholes and vaults. The ladder can be made to any length up to
12 feet. The ladder meets all ASTM C-487 load requirements. See
wall application diagram below
Lane International Corporation has developed and patented the first
steel reinforced polypropylene ladder. The 11-1/2" step width is suitable
for manholes and vaults. The ladder can be made to any length up to
12 feet. The ladder meets all ASTM C-487 load requirements. 
