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Nucor "CFR"™ System - Clip and Insulation Options

Nucor CFR Clip

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Insulation for Nucor "CFR" Systems

Nucor Building Systems recommends that insulation be used in all “CFR” roof applications to avoid problems with
condensation forming. Insulation also provides a buffer between the purlins and the “CFR” roof to reduce noise and
possible damage due to metal-to-metal contact. Insulation requirements are as follows:

Short Clips -

2” to 4” of insulation compressing to ½” over roof purlins.
(EPS foam spacers available for limited use in un-insulated areas)

Tall Clips -

4” to 6” of insulation compressing to 3/4 ” thickness under thermal block at roof purlin locations.
Thermal blocks are required when tall clips are used.
(1 ½” thermal blocks with adhesive are available for limited use in un-insulated roof areas)

Applications -

Fixed or floating roof clips may be used as determined by the following:
  Roof Structural Type Panel Run </= 120"0" Panel Run > 120'0"  
 

Purlin
Joists

Fixed Clips
Floating Clips
Floating Clips
Floating Clips
 
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