RECOMMENDED THICKNESS BY DIAMETER AND DEPTH

These are guidelines for vacuum formed and pressure formed Acrylic & Polycarbonate Domes.

Diameter	1/8″	3/16″	1/4″	3/8″
2″	up to 1″ deep	deeper than 1″	n/a	n/a
4″	up to 2″ deep	deeper than 2″	n/a	n/a
6″	up to 3″ deep	deeper than 3″	n/a	n/a
8″	up to 3″ deep	up to 4″ deep	deeper than 4″	n/a
10″	up to 3.5″ deep	up to 5″ deep	deeper than 5″	n/a
12″	up to 4″ deep	up to 6″ deep	deeper than 6″	n/a
14″	up to 5″ deep	up to 7″ deep	deeper than 7″	n/a
16″	up to 5.5″ deep	up to 8″ deep	deeper than 8″	n/a
18″	up to 6″ deep	up to 9″ deep	deeper than 9″	n/a
20″	up to 6.5″ deep	up to 9.5″ deep	deeper than 9.5″	n/a
22″	up to 7″ deep	up to 10″ deep	up to 11″ deep	deeper than 11″
24″	up to 8″ deep	up to 11″ deep	up to 12″ deep	deeper than 12″
28″	up to 7″ deep	up to 9.5″ deep	up to 14″ deep	deeper than 14″
30″	up to 7.5″ deep	up to 10″ deep	up to 15″ deep	deeper than 15″
32″	up to 8″ deep	up to 11″ deep	up to 16″ deep	deeper than 16″
34″	up to 8.5″ deep	up to 11.5″ deep	up to 17″ deep	deeper than 17″
36″	up to 9″ deep	up to 12″ deep	up to 18″ deep	deeper than 18″
38″	3/16 min thickness	up to 9.5″ deep	up to 19″ deep	deeper than 19″
40″	3/16 min thickness	up to 10″ deep	up to 20″ deep	deeper than 20″
42″	3/16 min thickness	up to 10.5″ deep	up to 21″ deep	deeper than 21″
44″	3/16 min thickness	up to 11″ deep	up to 22″ deep	deeper than 22″
46″	3/16 min thickness	up to 11.5″ deep	up to 23″ deep	deeper than 23″
48″	3/16 min thickness	up to 12″ deep	up to 24″ deep	deeper than 24″
49″-96″”	n/a	n/a	1/4″ minimum thickness	Call office for help

Recommended Thickness by Depth