Joint Sealant For Concrete Pavement

Clearly defining the impact of joint sealing through pavement perfor mance studies.

Joint sealant for concrete pavement.

British standard institution code of practice of joints and jointing in building construction bs 6093 1981. Dsb 800 is a low modulus high performance one part non sag silicone joint sealant. Sealants also reduce dowel bar corro sion potential by reducing entrance of de icing chemicals. Crafco is the world s leading manufacturer in quantity and diversity of packaged pavement preservation products for asphalt and concrete such as hot applied crack sealants silicone joint sealants hot applied mastics and cold mix for pavement surface patching and repair.

Installing the proper kind of concrete joint sealant will help protect the structure from moisture damage caused by rain wind gravity capillary force and surface tension. It withstands extension of 100 percent and compression of 50 percent of original joint width and has excellent recovery. Crafco delivers confidence through innovation quality and value since 1976. Crafco is the world s leading manufacturer in quantity and diversity of packaged pavement preservation products for asphalt and concrete such as hot applied crack sealants silicone joint sealants hot applied mastics and cold mix for pavement surface patching.

British standard institution specification for cold poured joint sealants for concrete pavements bs 5212. 888 silicone joint sealant is ideal for use in concrete to concrete joints pcc that experience a high degree of movement such as transverse pavement expansion and contraction joints in highways airports and other pavements. The word sealant became more common and in essence defined the switch in expectations. Its one component technology offers ease of use and cost effectiveness.

Sealant use dates back to the early 1900 s. The pourthane joint sealant line is designed for sealing concrete and metal joints in a variety of applications including sidewalks balconies pavement terraces warehouses factories civil structures plazas and pitch pans. About crafco pavement preservation maintenance. Wisconsin was the first highway department to stop sealing joints and specify open joints 18.

British standard institution guide to selection of constructional sealants bs 6213 1982. Dsb 900 sl is an ultra low modulus high performance one part self leveling silicone joint sealant. Hot pour liquid sealants have evolved after many years of research and development. Several state agencies have gained many years of experience with joint filling and with open unsealed unfilled joints in concrete pavements.

Each product can be used to seal new or existing concrete and asphalt joints and both are formulated for use on highway airport parking structures and bridge joints where high movement occurs. Pavement engineers have recognized the need for concrete pavement joint sealants for many years.