Concrete Base
Precast Concrete Manhole Base
The concrete base sizes we offer range from 36” I.D. to 96” I.D and have 2 different heights depending on the inner diameter size you choose. All bases meet or exceed ASTM C-478.
We follow the ASTM C478 standard
PRODUCT GALLERY
RESOURCES
CALPORTLAND CONCRETE PRODUCTS
519 South Benson Avenue, Ontario, CA 91762
CALL US: (909) 983-9789
HOURS
| Monday | 7:00AM-4:00PM PST |
| Tuesday | 7:00AM-4:00PM PST |
| Wednesday | 7:00AM-4:00PM PST |
| Thursday | 7:00AM-4:00PM PST |
| Friday | 7:00AM-4:00PM PST |
| Saturday | Closed |
| Sunday | Closed |