Urethane caulks are common but many pros prefer to use silicone caulk because it lasts longer and can be used with a variety of different materials.
Urethane caulk for concrete joints.
Sikaflex 1csl flexible self leveling polyurethane concrete expansion joint and crack sealant kit limestone 12 x 10 1 fl oz cartridge 1 2 case awf pro caulk gun 4 9 out of 5 stars 27 107 94 107.
Applying concrete caulk is easy with just a few simple tips and tricks to get you started.
It works perfectly as a concrete expansion joint sealant.
Both are polyurethane based and offer high bond strength and outstanding durability.
It seals horizontal expansion joints in concrete and cementitious slabs requiring no tooling.
Use a smooth even motion filling the crack flush with the surface beveling it if it s against the house.
For green concrete applications control joints must be cut 8 hours prior to sealant installation and in expansion joint forms must be removed 4 hours prior to sealant installation.
Fill the crack with urethane caulk similar to what you would use for driveway caulk.
I used self leveling caulk a premium grade polyurethane sealant on expansion joints on my concrete parking pad with poor results even using baker rods due to wide variation in depth and width.
For wet concrete applications all excess or standing water must be displaced and concrete must then dry for a minimum of 60 min prior to sealant installation.
The pourthane joint sealant line is designed for sealing concrete joints in a variety of applications including sidewalks warehouses and factories.
Loctite pl polyurethane concrete crack and masonry sealant is a premium quality commercial grade sealant developed especially for forming permanent water and weatherproof seals in all exterior gaps and joints.
Concrete caulk comes in several different varieties.
Self leveling sealant is a single component self leveling premium grade polyurethane sealant with an accelerated curing capacity.
Its one component technology offers ease of use and cost effectiveness.
The sealant comes in two versions.
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.
Some parts of the job are quite low giving an uneven up and down look.
Pourthane ns is non sag while pourthane sl is self leveling.
