CERA-ROD heat-resistant backer rod from W. Designated joint width and depth is determined by the appropriate highway or pavement authority. New Concrete Pavement Sealing … Typical joint configuration should be 3/8″ – 1.5″ (9.5 – 38.1 mm) wide with a 1/2″- 3/4″ (12.7 – 19.1 mm) depth for an approximate 1:1 – 2:1 width-to-depth ratio. MEADOWS may be installed in the joint opening to control depth and sealant usage. CERA-ROD ™ heat-resistant backer rod from W. Dust, dirt, and laitance should be removed immediately preceding the sealing operation. Surface and Joint Preparation … The joints and cracks to be sealed must be clean and dry. Small amounts of material remaining in the kettle may be reheated. Material may be added as sealant is drawn off. The melter should also have an agitator and separate temperature thermometers for the oil bath and heating vat. Melting … CR-90 must be heated in an oil-jacketed melter-applicator equipped with a pump and wand. Typical results should not be used as specification limits. blocks in poly liners.Ĭracks or joints 1/2″ (12.7 mm) wide x 1/2″ (12.7 mm) deep require approximately 12.73 lb./100 lineal feet (5.8 kg/ 30.4 lineal m).
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