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7/8 in. Backer Rod, Soft (850 Feet)
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| BACKER-ROD-78S-850 |
$159.00 SALE $81.95 |
| (Savings: $77.05) |
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PRODUCT: 7/8 inch Diameter Poly Backer Rod, SOFT with Non-Stick Closed Cell Skin. Shipped as one continuous piece on a spool, packed in a box. 850 feet/Spool/Box. Price/Box. (UPS Shipping only)
APPLICATIONS:
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General Purpose Sealant backing / bond breaker.
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Together with Self-leveling sealant
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Expansion joints
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Irregular joints
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Metal and pre-cast panels
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Around perimeters of door and window frames,
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Coping and glazing joints
- Log Homes
DESCRIPTION:
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Round poly foam joint filler and backing for sealants.
- Provides controlled depth for sealants.
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Compresses easily for accommodating joints of varying widths.
- D
oes not stick to sealants. Exceeds ASTM standards for bond breaker materials.
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Consists of both open and closed cells on the inside with a skin-like outer texture. Non-stick closed cell skin. High moisture resistance.
- Compatible with all known types of sealants including butyl, polyurethane, silicones, tri-polymer, polysulfide, acrylic, etc.
SIZING SOFT BACKER-ROD:
Select a backer-rod diameter that is approximately 25% larger than the width of the joint.
Joint Width 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:
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Controls depth of the sealant in proper
relation to joint width
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Provides backing against which the sealant
is applied, forcing the sealant to the sides of the
joint
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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.
similar product 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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