# Sika 3/4 in. x 20 ft. Closed Cell Backer Rod, Expansion Joint Polyethylene Foam

**Brand:** [Sika](https://shop.coreranger.com/brands/Sika)
**SKU:** 108130
**Price:** $7.97 · in stock
**URL:** https://shop.coreranger.com/product/sika-3-4-in-x-20-ft-closed-cell-backer-rod-expansion-joint-polyethylene-foam-202523820

## Specifications

| Spec | Value |
|---|---|
| Model # | 108130 |
| Internet # | 202523820 |
| Store SKU # | 271315 |
| Diameter (in.) | .75 in |
| Product Length (ft.) | 20 ft |
| Manufacturer Warranty | One year from date of installation. |

## Description

Sika Backer Rod is used to partially fill deep expansion joints and cracks before application of your sealant. It helps prevent 3-sided adhesion while allowing you to control the depth of the sealant. Available in 3/4 in., 20 ft. length.

• Closed cell compressible backup material to control joint depth
• Prevents 3-sided adhesion
• Will not absorb water