If you have rotten or sunken expansion joints, Trim-a-slab is a good replacement choice. Use a pry bar and engineer Hamme to leverage the old wood joints out of place.
Trim-A-Slab 1 in. x 25 ft. Concrete Expansion Joint Replacement in
How to Remove Expansion Joints in a Concrete Patio - Mother
How to Replace Wood Expansion Joints in Concrete Slabs
Carts, tuggers, and casters: Keep the warehouse wheels turning
How to Replace Wood Expansion Joints in Concrete
How to Replace Wood Expansion Joints in Concrete - Mother Daughter
3 Years LaterHow's it Holding Up?! // How to Replace Wood
Trim A Slab 3 in. Small Concrete Expansion Joint Sample Pack
How to Replace Wood Expansion Joints in Concrete Slabs
Concrete Driveway Expansion Joint Repair/Replacement, Sidewalk
Quikrete 1/2 in. x 4 in. x 5 ft. 2 lb. Expansion Joint 691703
ECOS Exterior Porch and Floor Paint - Eco-friendly, zero VOC
How to Fix Raised Concrete Repair concrete driveway, Concrete