Concrete undergoes expansion due to high temperature when in a confined boundary which leads to cracks.
Replacing plastic expansion joints in concrete.
Watch as i review 5 ways of filling concrete expansion joints and my personal favorite.
Expansion joints are provided in slabs pavements buildings bridges sidewalks railway tracks piping systems ships and other structures.
In this video we demonstrate one of many ways to replace or fix expansion joints of concrete driveways walkways sidewalks.
Like i said in the intro these joints allow concrete pads to expand and contract during freeze thaw cycles.
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Wonder what looks best and holds up.
This article emphases on need of expansion.
An expansion joint is a material placed in the cracks or joints between concrete slabs to protect the slabs from cracking when they contract and expand as the temperature changes.
Removing old material from a concrete expansion joint concrete expansion joints are also known as isolation joints.
Without a concrete expansion joint your sidewalk or driveway would crack.
This material acts as a shock absorber absorbing the stress from the slab s movement.