A81 Jahn “A” Bracket

Dayton Superior A81 Jahn “A” Bracket is fabricated from high strength steel with a cad plated eccentric and painted body. The 5/8″ take-up of the eccentric compensates for minor lumber variations in thickness. The A81 bracket can be utilized to hold a single horizontal wale or a single vertical stud with any type of wall form; round, curved, battered, beam and/or columns The A81 bracket can be installed before or after the wales have been positioned. The slots in the bracket allow it to slip over the snap tie end without laborious threading through holes. When properly installed, the A81 bracket will not loosen from internal vibration of the concrete. Pressure from the bracket is against the 2 x 4 instead of the plywood. The A81 bracket uses 4-3/4″ L&W snap ties, is easy to install and strip, requires no nailing and is very fast. See preparation steps after A89 for bracket spacing and concrete placement rates.

Application

Can be utilized to hold a single horizontal wale or a single vertical stud with any type of wall form.

Features

  • Can be installed before or after the wales have been positioned
  • When properly installed, bracket will not loosen from internal vibration of the concrete
  • Uses 4-3/4″ L&W snap ties
  • Easy to install and strip, requires no nailing

To Order: Specify: (1) quantity, (2) name. Example: 2,000 pcs. A81 Jahn “A” Bracket.

Downloads

A81 Jahn® “A” bracket Tech Data Sheet

How to Use the Jahn Forming System

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