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3/8 inch Backer Rod, Closed Cell, Carton (2100 Ft) - 3/8 inch Diameter Poly Backer Rod, Closed Cell, 2100 feet/ Carton. Price/Carton.  (UPS shipment only; color could be gray or charcoal and is NOT selectable).
 
3/8 inch Backer Rod, Closed Cell, Carton (2100 Ft)
BACKER-ROD-38-CC2100
$64.00 SALE $52.95
(Savings: $11.05)
 
 Buy 10 or more and pay $45.95 each (save $18.05) 
 
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PRODUCT: 3/8" 3/8 inch Diameter Poly Backer Rod, Closed Cell, 2100' / Carton. Price/Carton. (UPS shipment only; color could be gray or charcoal and is NOT selectable).

APPLICATIONS:
  • High moisture environments
  • Ground based expansion joints
  • General purpose sealant backing
  • Use together with self-leveling sealant
  • Highway joints
  • Parking garages
  • Around perimeters of door and window frames,
  • Coping and glazing joints
  • Log Home chinking
  • Isolation joints
DESCRIPTION:
  • Round, firm, resilient, polyethylene extruded closed celled foam with a water resistant outer skin. Color could be gray or charcoal.
  • Provides controlled depth for sealants.
  • Compresses up to 50% in smaller sizes and 30% in large sizes.
  • Does not stick to sealants. Exceeds ASTM standards for bond breaker materials. No bond breaker is required.
  • Very high moisture resistance. Will not absorb ground water.
  • Compatible with all know types of sealants including butyl, polyurethane, silicones, tri-polyimer, polysulfide, acrylic, etc.
 
SIZING BACKER-ROD:

Select a backer-rod diameter that is approximately 25% larger than the width of the joint.

Joint Width  Recommended Diameter
3/16" - 1/4"       3/8"
3/8" - 1/2"         5/8"
1/2" - 3/4"         7/8"
3/4" - 7/8"      1-1/8"
7/8" - 1-1/4"   1-1/2"
1-1/4" - 1-1/2"   2"
2" - 2-1/2"         3"
2-1/2" - 3"         4"
 
APPLYING BACKER ROD:
1. Joint fillers have three major functions:
  • Controls depth of the sealant in proper
    relation to joint width
  • Provides backing against which the sealant
    is applied, forcing the sealant to the sides of the
    joint
  • Prevents 3-sided bonding, ensuring proper
    function of sealant
2. To install, compress backer-rod into the joint
before sealants are applied. Joint or opening should be clean and dry and free of obstructions. Install backer-rod using a blunt probe or a plain faced roller to force the rod to the desired depth.
3. Compress to a depth of about 1/2 of the width measured at the crown of the backer rod.

4. A template or roller gauge may be used to
control the depth at which the rod is placed.
5. Don't stretch, puncture or tear backer-rod during installation but gently force into the joint so that the backer-rod fits tight against the sides of the joint.

PRIMING:
1. Follow suggestions for joint-sealant application as directed by sealant manufacturer.
2. Where priming of the joint is necessary, primer
should be applied only to the joint surfaces and
allowed to dry before Backer-Rod is placed. DO
NOT prime Backer-Rod
 
Questions?
Email us at sales@bestmaterials.com or
Call us at 1-800-474-7570 or 602-272-8128
You'll get a prompt reply!
 
similar terms: backer rod, soft celled backer rod, chinking, chink backing, caulk backing, sealant backing, sealant support, caulk support, soft cell foam, closed cell foam rod, log home chinking
 

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