1/2 inch Backer Rod, Closed Cell, Carton (2500 Ft) - 1/2 Inch DIAMETER (12mm) POLY BACKER ROD, CLOSED CELL, NON-STICK SKIN, 2500 FEET/CARTON. PRICE/CARTON. (UPS shipment only).
 
1/2 inch Backer Rod, Closed Cell, Carton (2500 Ft)
BACKER-ROD-12-CC-SC
$116.00 SALE $90.95
(Savings: $25.05)
 
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PRODUCT: 1/2" DIAMETER (12mm) POLY BACKER ROD, CLOSED CELL, NON-STICK SKIN, 2500 FEET/CARTON. PRICE/CARTON. (UPS shipment only).

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 can be gray or charcoal and is NOT SELECTABLE.
  • 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 breakering 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 CLOSED CELL BACKER-ROD:
Select a backer-rod diameter that is approximately 30% larger than the width of the joint, but not less than 10% of the widest area..

Joint Width Diameter
3/16" 1/4"
1/4" 3/8"
3/8" 1/2"
1/2" 5/8"
5/8" 3/4"
3/4" 1"
1" 1-1/4"
1-1/4" 1-1/2"
1-5/8 2"
2" 2-1/2"
2-1/2" 3"
3-1/2" 4"

APPLYING BACKER ROD:
1. Joint or opening should be clean and dry and free of all contaminates, loose materials, dry, and free of water or frost.
2. To install, compress backer-rod into the joint before sealants are applied. Install backer-rod using a blunt tool or a plain faced roller.

3. Force the rod to the depth recommended by sealant manufacturer, (typically about 1/2 of joint width measured at the crown of the backer rod). A template or roller gauge may be used to control the depth at which the rod is placed.

4. 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 sides of joint is necessary to assure good adhesion of sealant, primer should be applied only to the joint surfaces and allowed to dry before Backer-Rod is placed. DO NOT prime Backer-Rod.

PRODUCT DATASHEET:

similar product terms: backer rod, closed cell backer rod, chinking, caulk backing, sealant backing, sealant support, caulk support, closed cell rod, closed celled foam, closed celled rod, closed celled backer rod, mile high foam
 

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