Concrete expansion joints are also known as isolation joints.
Sika expansion joints in concrete wall.
For joints in floor substrates which have to withstand a lot of different stressors we developed innovative pre fabricated panel systems called sika floorjoint.
Standard joint widths for joints between concrete elements.
201 polito avenue lyndhurst new jersey 07071 united states of america phone 1 201 933 8800 fax 1 201 804 1076.
The joint width must be designed to suit the joint movement required and the movement capability of the sealant.
If you look at the expansion joints between your concrete you might see black felt or old sealant.
Max application depth of sikaflex concrete fix is 1 2.
The joint width shall be 10 mm and 40 mm.
It is used for the installation and repair of joints in concrete slabs and concrete screeds in car park decks garage floors ramps storage areas production halls and hospitals.
201 polito avenue lyndhurst new jersey 07071 united states of america phone 1 201 933 8800 fax 1 201 804 1076.
This allows you to also control the application depth of the sealant which is key to proper installation.
A width to depth ratio of 2 1 must be maintained for exceptions see table below.
Like i said in the intro these joints allow concrete pads to expand and contract during freeze thaw cycles.
With 1 2 wide joints our sika 3 4 backer rod is the right size to use to have a nice and tight fit against the walls of the joint.
Working with sika corporation emseal provides international reach and unrivaled ability to integrate and seal the entire building envelope.
Expansion joints joint sealants.
Structures such as water treatment plants reservoirs locks dams and below grade facilities most likely have a waterstop system in place.
Concrete concrete repair.
Sika greenstreak waterstops have been keeping water in or out of structures for decades concrete structures are only as watertight as the waterstops that join them.
Without a concrete expansion joint your sidewalk or driveway would crack.
Applying backer rod to the joint.
