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Backer Rod

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Basic Use:
 
Standard Backer Rod is an ideal non absorbent compressible material inserted into a joint to control sealant depth.  It creates a backstop to allow for proper sealant tooling. 
 
Common Uses:
 
Backer Rod is commonly used in glazing operations, window and door applications, expansion joints, curtain wall joints, partitions, log construction, pavement joints and repair, precast units and copings and any number of other job applications.
 
Composition and Material:
 
Standard Backer Rod is an extruded round, closed cell, low density polyethylene foam material with a skin-like outer texture.  It is highly flexible and compressible for easy installation. 
 
(Do Not puncture, Stretch or Overly Compress)
 
 
 

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Recommended Rod Size to Joint Width Chart

Joint Width:
Rod Size:
3/16"
1/4"
1/4"
3/8"
3/8"
1/2"
1/2"
5/8"
5/8"
3/4"
3/4"
7/8"
7/8"
1"
1"
1-1/4"
1-1/8"
1-1/2"
1-5/8"
2"
2"
2-1/2"
2-1/2"
3"
3-1/2"
4"
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NMW, Inc. ∙ 6553 West 400 North ∙ Greenfield, IN 46140 ∙ 800-253-4237 ∙ Fax 317-891-1019