If you look at the expansion joints between your concrete you might see black felt or old sealant.
Sika expansion joints in concrete wall.
Working with sika corporation emseal provides international reach and unrivaled ability to integrate and seal the entire building envelope.
The joint width must be designed to suit the joint movement required and the movement capability of the sealant.
Sikadur combiflex sg system or sika dilatec system are post applied tape systems adhered with epoxy resin onto the membrane providing an ideal solution for construction and expansion joints in particular to seal joints of precast components.
Standard joint widths for joints between concrete elements.
Emseal is a leading innovator and manufacturer of premium sealants and expansion joint systems for the commercial construction industry and many specialty market applications.
Like i said in the intro these joints allow concrete pads to expand and contract during freeze thaw cycles.
Without a concrete expansion joint your sidewalk or driveway would crack.
Applying backer rod to the joint.
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.
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.
The joint width shall be 10 mm and 40 mm.
Sikadur combiflex sg system or sika dilatec system are post applied tape systems adhered with epoxy resin onto the membrane providing an ideal solution for construction and expansion joints in particular to seal joints of precast components.
Structures such as water treatment plants reservoirs locks dams and below grade facilities most likely have a waterstop system in place.
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.
Concrete concrete repair.
A width to depth ratio of 2 1 must be maintained for exceptions see table below.
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Expansion joints joint sealants.
For joints in floor substrates which have to withstand a lot of different stressors we developed innovative pre fabricated panel systems called sika floorjoint.
Max application depth of sikaflex concrete fix is 1 2.