M-D Caulk Backer Rod

M-D Caulk Backer Rod


Regular price$7.59
Shipping calculated at checkout.

  • Low stock - 2 items left
  • Backordered, shipping soon

The MD Building Products 5/8 in. x 20 ft. Gray caulk backer rod for gaps and joints acts as a filler in large gaps before applying caulk. It insulates as well as cushions. Use in pavement cracks, wall joints and foundations. Backer rod is easily trimmed to size with scissors.


  • 5/8 in. x 20 ft.


  • Non-absorbent, closed-cell polyethylene pre-caulking material
  • Easily trimmed to size with scissors
  • Twist multiple strands of cord together for extra large gaps

Shipping Rates
We charge a flat rate $8.95* shipping fee for orders $74.99 and below, before tax. For orders $75 and above, we provide Free Shipping*. Exceptions may apply to oversize or overweight items. 

*Please note: While our current Shipping Policy offers an extremely competitive shipping rate for thousands of our fun and unique products, some overweight or oversize items are exceptions and require us to add an additional fee. Additional shipping fees may apply to over-sized or overweight items (such as BBQ grills, extra-heavy items, etc.) This shipping fee will be calculated at checkout. Additional handling fees may apply and are confirmed/processed with customers individually before shipment. 

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