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Precast Catalog
Manholes
Round Fiberglass Forms for Mortar Joints
Technical Bulletin
Joint with Tapered Hole
Low Draft/Minimum Taper
Proper Connector Depth Placement Within the Hole Formed by L-Series Hole Forms
Parallel Hole Formers
Straight L-Series Hole Formers
Round Fiberglass Grade Ring Forms
Western Canadian Fiberglass Grade Ring Forms
Grade Rings
Tongue and Groove Grade Ring Forms
Other Fiberglass Grade Ring Forms
Stand Premium Pipe Shaping Rings
Econoforms
Econoshapes
Doghouse Hole Formers
Top Slab Hole Forms
Rectangular/Square Top Hole Forms
Hole Forms for Use with Panel Forms and Wall Ties
Hole Form Specifications
Angled Entry Forms
Stepped Hole Forms
Hole Forms Molded in Segments
Hole Form Options
Octagonal Knockouts
Neoprene Rubber Edge Seal
Adjustable Slide Bar
Coil Thread Attachment
500lb Holding Strength Magnetic Attachment
Menu
Home
About
Precast Catalog
Manholes
Round Fiberglass Forms for Mortar Joints
Technical Bulletin
Joint with Tapered Hole
Low Draft/Minimum Taper
Proper Connector Depth Placement Within the Hole Formed by L-Series Hole Forms
Parallel Hole Formers
Straight L-Series Hole Formers
Round Fiberglass Grade Ring Forms
Western Canadian Fiberglass Grade Ring Forms
Grade Rings
Tongue and Groove Grade Ring Forms
Other Fiberglass Grade Ring Forms
Stand Premium Pipe Shaping Rings
Econoforms
Econoshapes
Doghouse Hole Formers
Top Slab Hole Forms
Rectangular/Square Top Hole Forms
Hole Forms for Use with Panel Forms and Wall Ties
Hole Form Specifications
Angled Entry Forms
Stepped Hole Forms
Hole Forms Molded in Segments
Hole Form Options
Octagonal Knockouts
Neoprene Rubber Edge Seal
Adjustable Slide Bar
Coil Thread Attachment
500lb Holding Strength Magnetic Attachment
Doghouse Hole Formers
Responsive Table
SPECIFICATIONS
Type (Manhole)
Diameter
Height
Wall
Stock No.
48" ID
8"
14"
5"
814485
12"
18"
5"
1218485
15"
22"
5"
1522485
18"
27"
5"
1827485
24"
30"
5"
2430485
28"
34"
5"
2834485
60" ID
12"
18"
6"
1218606
14"
20"
6"
1420606
18"
24"
6"
1824606
24"
30"
6"
2430606
72" ID
18"
24"
7"
1824727
24"
30"
7"
2430727
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