What can you put between concrete joints?

Expansion joints must be sealed with a flexible sealant, like QUIKRETE® Self-Leveling Polyurethane Sealant or QUIKRETE® Non-Sag Polyurethane Sealant…or an expansion joint strip, to prevent water from penetrating the joint and deteriorating the sub-base.

What is Korkpak?

Bitubond Cork / Korkpak Joint Filler Neoprene is a trade name of Dupont for a rubber called Polychloroprene. In the foamed format it becomes a closed cell sponge rubber, and it has an excellent characteristic for creating a seal or gasket upon the application of a small amount of compression.

What is compressible material?

If a material is compressible, the volume (or in a plane the area) will change. If a material is incompressible, the material will only be pushed aside to establish a volume preserving state.

What is an example of a compressible fluid?

Vapors and Gases The flow of compressible fluids such as gas, vapor, steam, etc., is considered in general the same as for liquids or non-compressible fluids.

How do you fill large gaps in concrete?

Wide cracks in concrete are best patched and sealed with a concrete patching compound. Smaller cracks, less than 1/4 inch wide, can be repaired with a concrete caulk or liquid filler. Patching compounds typically are mixed with water and applied with a trowel.

How do you fill a large gap in a concrete driveway?

The best way to repair your expansion gap is to use purpose-designed foam backer rods and self-leveling caulk. Both materials are available in most home improvement stores. Cut your foam backer rods to the proper length for your expansion gap and press them into the gap.

What is Flexcell board?

Flexcell is a bitumen impregnated wood fibre board, which is ideal for use as an expansion joint filler. It offers excellent compressive and recovery properties. It is simple to handle and install. It is used when concreting areas and requiring expansion joint.