Installation Guide
31   © 2019 Fortress Framing, LLC   Rev6-10/10/19
Blank U-Rim Joist 
Posion the Blank U-Rim Joist the same as the pre-punched U-Rim Joist and use the F50 brackets to fasten it to 
the joists. 
Rim Joist 
Curved Rim Joist 
The Blank U-Rim is used anyme there’s non-standard joist spacing  
The Curved Rim Joist is used anyme there’s a radius on the rim of a deck. 
Curved Rim Joist.    Rim Joist Bracket 
There’s no need to angle cut the joists at the rim when you use the Curved Rim Joist and the Rim Joist Bracket.  
Pop the Rim Joist Brackets into the joists. Using Channel Locks or Locking Pliers, bend the tabs on the Rim Joist 
Bracket to the desired angle.  
Bend the Curved Rim joist by hand and t it to the angle on the Rim Joist Bracket and fasten it using Evoluon 
self-drilling screws. 
The Blank U-Rim is used anyme no fascia will be used on the rim of the deck.  










