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Keyway forms

Keyway attachments are formed metal channels used to form tongue and groove connections for all types of floors and slabs. Keyway forms can be fabricated to any size or shape.

Keyway forms - description

Four holes are punched in the keyway forms and the straight forms. Four carriage bolts and nuts are furnished with each 10' section.

Keyway forms illustration 1




Standard section for forms 6" and higher

280 18

Small section for forms 4" and higher

288 10



Keyway attachments are frequently used in the placing of warehouse floors, storage buildings, and other slab applications where movement in the underlying ground is anticipated.

Features and benefits

dee keyway forms:

  • Allows the placed floor to shift due to expansion and contraction without cracking the entire concrete pavement.

  • Allows a large concrete floor to be placed in sections so the entire floor does not have to be placed at one time.

  • Save time and money. Having the right concrete accessories makes any job go smoother.

Contact dee Concrete Accessories at 1-800-245-1333, fill out our contact form, or email us at to discuss your individual keyway form needs or to identify a distributor in your area.


Call 1-800-245-1333 for a distributor nearest you.

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dee Concrete Accessories - logo
7350 W. Montrose Avenue Norridge, IL 60706
Phone: 1-800-245-1333 Fax: 708-452-7220