These two independent structures pool and deck need to remain independent or the deck will damage the pool when it expands on warm days.
Concrete pool deck expansion joints.
The expansion joint between the coping and the deck is typically caulked or filled with elastomeric sealant approximately 30 days after the concrete was originally poured.
This gives the concrete time to settle and assume its permanent structure.
The expansion joint around your pool allows for the pool deck and the pool itself to expand when the weather gets hot.
Expansion joints are put in place before the concrete is poured.
They are the critical buffer between pool decks on one side and the tile line coping and mortar bed on the other.
Expansion joints accommodate normal movement of adjoining concrete structures.
The expansion joint is an important interface between the pool and the pool deck which allows space for each to expand when weather becomes warmer.
A concrete slab will grow laterally as the weather gets warmer.
The fast and easy installation of renu strip offers an economical way to revitalize an existing pool deck s appearance.
Expansion joints are used to allow the slab to move and not put stress on whatever it abuts.
Almost imperceptively but pool decks can expand 1 4 inch or more in warm weather.
If it is caulked before then it may not align properly.