Anchorage Sand & Gravel 60-lb Hydraulic Concrete Mix

Used for setting fence posts, anchors and sleeves. Mix can also be used for concrete patching and to construct slabs greater than 2-in or thicker. Anchorage sand and gravel warrants this product to be of merchantable quality when used or applied in accordance with ASTM standards, liability under this warranty is limited to the replacement of its product (as purchased). ASTM C-39 standard test method for compressive strength of cylindrical concrete specimens. ASTM C-191 standard test method for time of setting of hydraulic cement by vicar needle. For cold weather, use hot water (100°-150°) to mix and cover project immediately to prevent freezing for the first 72 hours. During freezing temperatures, cure times will double.