Roadware Estimator

Use this on-line estimator to determine the amount of Roadware 10 Minute Concrete Mender™or other Roadware products needed to make your repair. The estimator program is based on mathematical calculations and will give a rough estimate in 300x300ml cartridges or gallons needed to repair a crack or spall. Click here for the metric version.

Enter length in feet. Enter width and depth in inches. Enter fractions with the decimal equivalent. 1/4″ = .25 and so on.

Sand: One gallon of 40-30 medium silica sand weights about 13.3 lbs. If you use one gallon of Concrete Mender with a 2 to 1 sand ratio. you will need 2 gallons of sand or 26.6 lbs.

You can also figure about 50 pounds of sand for every case (12) of 300 x300ml cartridges.

ROADWARE 10 MINUTE CONCRETE MENDER™

SIDE A (OZ)SIDE B (OZ)SAND (VOL OZ)MIXED (VOL OZ)CUBIC INCHES
441617.532
88323264
16166470128
1/2 GAL1/2 GAL2 GAL2.2 GAL508
1 GAL1 GAL4 GAL4.4 GAL1016
Approximate yield with 40-30 silica sand mixed 2 parts sand to 1 part liquid.