3110 Old McHenry Road
Long Grove, IL 60047
Phone: 847.634.9440
Fax: 847.634.9408
Hours of Operation
Monday - Friday
8 a.m. to 4:30 p.m.
(1) Minimum 6” compacted base (grade 8 or 9 crushed stone) is required.
(2) Riser height shall not exceed 7 ¾” and tread depth shall not be less than 11”.
(3) Riser height on steps shall not vary more than +/- 3/8” from landing to landing.
(4) Minimum 3’ x 3’ landing at door is required.
(1) Minimum 4” compacted base (grade 8 or 9 crushed stone).
(2) Riser height shall not exceed 7 ¾” and tread depth shall not be less than 11”.
(3) Riser height on steps shall not vary more than +/- 3/8” from landing to landing.
(4) Minimum 3’ x 3’ landing at door is required.