Brewercoat makes a pourable blacktop crack filler that works well in warmer temperatures. ... The foam backer rods look like miniature garden hoses and come in different diameters and lengths.

You should be able to fix cracks that are between ¼ and ½-inch wide using a concrete backer rod along with filler. A backer ...

Backer rod conserves crack filler Just cut and place Ideal for use with Flexon and Crack-Fil (also from Garon) Use backer rod that is 1/4-in. larger than the width of the crack Garon Products ...

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