1) Clean and dry the joint surface thoroughly and frost free.
2) Any expansion joint filler must be checked to ensure that it is lightly packed and no gaps or voids rusts at the base of the scaling state.
3) Use land breaking tape where ever required.
4) Insert backup material to the required depth.
5) Apply two coats of suitable primer on the joint surface.
6) Mix base and accelerator (Curing agent) using a slow speed drill for 5 minutes.
7) Load sealant into the gun and shall be applied to the joint.
8) Tool the joint immediately to remove air bubble & fill the joint completely.
9) Keep the width : depth ratio as 2 : 1 for sealant.