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The Albion 640-4 Road Model sets foam backer rod into saw-cut and expansion joints at a consistent depth, which is what makes the sealant bead the right shape. Push the rod in as you walk the joint instead of poking it down by hand.
The reinforced resin handle stands up to abrasive pavement work, and the roller guides keep the rod depth even across long runs of slab and road joints.
Albion 640-4 road-model tool for installing foam backer rod at a consistent depth in saw-cut and expansion joints.
Roller guides help maintain rod depth along long pavement and slab joints.
Consistent backer-rod depth supports the sealant joint geometry specified by the sealant system.
Clean the joint and select the backer-rod diameter required for the joint width.
Feed the rod through the installer and roll the tool along the joint to place it at a consistent depth without puncturing or stretching it.
Confirm the final rod depth against the sealant system's required joint geometry before sealing.
Backer-rod diameter must still be selected to suit the joint width; the tool does not correct an undersized or oversized rod.
Very wide, irregular or obstructed joints may require hand placement or another installation method.
Sealant depth and geometry must follow the specific sealant manufacturer's requirements rather than a fixed universal ratio.
Albion Road Model Backer Rod Installation Tool Physical Properties
| Property | Value |
|---|---|
| Product Type | Backer Rod Installation Tool |
| Model | 640-4 Road Model Kit |
| Handle Type | Epoxy Filled Reinforced Resin |
| Adjustment Depth | Up to 1 inch |
| Insertion Wheel Sizes | 1/8 in, 1/4 in, 3/8 in, 1/2 in |
| Included Parts | 640-G02 (1/8”), 640-G03 (1/4”), 640-G04 (3/8”), 640-G05 (1/2”), 640-H15 (Thumb Screw), 640-G11 (Main Frame Assembly with washers, pushnuts, and wheels) |
| Compatible Accessories | Standard Painter’s Extension Pole or Broom Handle (876-1 or 876-2) |
| Weight | 1.1 lbs (0.5 kg) |
| Dimensions | 203 mm × 102 mm × 127 mm |
| Special Applications | Expansion Joints, Saw Cut Joints |
| Function | Sets foam backer rod at consistent depth without puncturing |