Republic Act No. 11144

: The Order addresses the proper application of asphalt sealant on transverse contraction/weakened plane, construction, and longitudinal joints of concrete pavements implemented by the Department of Public Works and Highways (DPWH).
: The Order was adopted on February 8, 2011.
: Proper application is crucial because insufficient sealant can compromise the structural integrity and water imperviousness of the concrete pavement and its underlying layers, while excessive application can affect the smoothness and finishing of the pavement surface.
: The Order covers transverse contraction/weakened plane joints, construction joints, and longitudinal joints.
: The application of asphalt sealant must comply with Subsection 311.3.17 (Sealing Joints) of the DPWH Standard Specifications.
: All heads of the concerned project implementing offices of the Department of Public Works and Highways are directed to observe the proper application.
: The surface must be free from excess asphalt sealant and concrete laitance before the pavement is opened to traffic.
: Yes, it mandates the use of the appropriate penetration grade of asphalt sealant on all types of joints.
: The Order takes effect immediately upon its adoption on February 8, 2011.