Backer rod
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Product Description
Our backer rod is made of extruded polyethylene foams, which are compressible, flexible, and durable enough to fulfill the stringent performance specifications of various applications. It is inserting to joint control sealant depth, creating a backstop to allow proper sealant tooling. It can also be used as a temporary joint seal. They are non-absorbent and can withstand most other sealants as well as oil and gasoline. The majority of cold-applied sealants are compatible with them. Backer rod are used in joints of pre-cast and cast-in-situ concrete components to support the joint sealant application, help with the proper joint sealant geometry (application depth and shape), and act as a bond breaker by preventing the joint sealant from adhering to the top of the expansion joint filler board (3-way bonding).
Advantages:
- Control sealant depth.
- It is lightweight, simple to handle, and cut.
- Eliminate three-sided joint adhesion failure.
- Excellent weather ability and environmentally friendly
- Improve the appearance, accuracy, firmness and durability.
- Non-absorbent, Flexible, compressible and chemically inert.
Application:
- Repair and glazing operation
- Expansion joints, curtain and wall joints.
- Partitions and log construction
- precast units and copings
- decorative wall paneling , window and door applications
Technical Specification:
Technical Specification Backer rod as per standards ASTM D5249 type 3 and ASTM C1330 type C
Characteristic | Specification |
Color | White, black and gray |
Water Absorption | 1% |
Density | 25 kg/m3 ± 10% |
Tensile Strength | 29-30 psi |
Extensibility | 105%-135% |
Compression Recovery | 94% |
Compression Deflection | 5 psi |
Size:
Thickness | Length | Forms Available* |
3-10 MM | 100 MTR | Roll |
12- 20 MM | 50 MTR | Roll |
25- 40 MM | 25 MTR | Roll |
50-70 MM | 2 MTR | Single |
Available in customized sizes and packaging based on customer needs. Contact us if you’d like further details.
Note:
- It must be oversized (20–30%) to fit properly into the joint and act as a bond breaker to stop the sealant from sticking to the bottom side.
- Hipex Backer rod should not be used when the operational temperature is continuously outside the range of -40°C to 120°C.
- Do not puncture, Stretch, or overly Compress