Watch as i review 5 ways of filling concrete expansion joints and my personal favorite.
Install concrete driveway expansion joints.
Like subscribe and follow the f.
In addition to control joints an isolation jointshould be installed where the driveway meets a sidewalk garage floor slab and other existing pavements.
If your driveway is 12 feet wide then space control joints every 12 feet to make symmetrical slabs.
Joint spacing in meters.
Like i said in the intro these joints allow concrete pads to expand and contract during freeze thaw cycles.
Wonder what looks best and holds up.
The easiest way to add expansion joints is to do it during the pouring of your cement slab.
Without a concrete expansion joint your sidewalk or driveway would crack.
Your concrete installer should hand tool or sawcut them to a depth equaling one fourth the slab thickness or 1 inch for a 4 inch slab.
Control joint depth all control joint depths must be a minimum of 1 4 the thickness of the slab.
Joints are commonly spaced at distances equal to 24 to 30 times the slab thickness.
The pro will level the concrete smooth it and finish it before cleaning and sealing the driveway.
Joint spacing that is greater than 15 feet require the use of load transfer devices dowels or diamond plates.
Cover the slab with plastic sheets or.
Wooden or felt expansion joints joint trowels or specially cut concrete can support the individual sections.
Check out the complete project here.
Removing old material from a concrete expansion joint concrete expansion joints are also known as isolation joints.
This video will demonstrate how we go about installing expansion joints also know as deep joints.
Most concrete driveway installation costs between 1 800 and 6 000 or 4 to 15 per square foot.
Joint spacing in feet contraction joints may be tooled into the concrete surface at the time of placement.