Sashco 30120 1-1/8-Inch by 10-Feet Pre-Caulking Filler Rope Backer Rod, Grey
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<b>[Product Information]</b><br>
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<li>Easy to fit - soft and pliable so it fits into the joint easily</li>
<li>Water resistant - unlike open cell backer rod, it repels water to help protect the joint from damage</li>
<li>Fills the joint so you use less caulk</li>
<li>Fully compatible with all substrates and sealants</li>
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