Form Clip Wall & Panel Chart

Rap-I-Form® clips are available for virtually any wall thickness and can be used with either plywood or dimension lumber. The table below shows the most common combinations of wall and panel thicknesses which are stocked for immediate shipment.

 
Stocked For Immediate Shipment
Maximum Clip Spacing

(W) Wall Thickness
(P) Panel Thickness
Pours to 24" Height
Pours to 36" Height
4"
3/4"
1-1/8"
-
-
24" MAX
16" MAX
5-5/8"
-
1-1/8"
-
-
24" MAX
16" MAX
6"
3/4"
1-1/8"
1-5/8"
-
24" MAX
16" MAX
7-5/8"
3/4"
1-1/8"
1-5/8"
2-1/4"
24" MAX
16" MAX
8"
3/4"
1-1/8"
1-5/8"
2-1/4"
24" MAX
16" MAX
9"
3/4"
1-1/8"
1-5/8"
2-1/4"
24" MAX
16" MAX
10"
3/4"
1-1/8"
1-5/8"
2-1/4"
24" MAX
16" MAX
11-5/8"
-
1-1/8"
-
2-1/4"
24" MAX
16" MAX
12"
3/4"
1-1/8"
1-5/8"
2-1/4"
24" MAX
16" MAX
14"
3/4"
1-1/8"
1-5/8"
-
24" MAX
-
15"
3/4"
1-1/8"
1-5/8"
-
24" MAX
-
16"
3/4"
1-1/8"
1-5/8"
-
24" MAX
-

3/4" and 1-1/8" panel size is for reversible plywood panels.

1-5/8" size is for dimensional lumber.

2-1/4" size is for 5/8" plywood on a 2 x 4 frame.
Rap-I-Form® shall not be responsible or liable for form failures where maximum clip spacing or recommended rate of pour has been exceeded. The clip spacings and rates of pour listed are the maximum permissible for each size clip.

For a U.S.A. or Canadian Rap-I-Form Distributor: