Swimming Pool Deck Joint
If old caulking remains scrape it out with a putty knife.
Swimming pool deck joint. 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. Clean out the pool expansion joint with a shop vacuum or broom. The expansion joint serves to allow space for the pool deck and the pool wall to expand without knocking into each other. To seal the pool so that no water leaks from the pool into the surrounding concrete.
How to replace expansion joints on your old pool deck. Deck o seal has been suggested but the concrete deck cantilevers over the edge of the pool so expansion joint troughs that approach the edge of the pool continue down vertically along the 4 face of the deck deck o seal would not work at the 5 troughs that extend over the edge. An engineer had already examined the pool and it was determined that the crack was caused by the lack of an expansion joint between the coping and the pool deck. How to replace expansion joints on your old pool deck.
Fix any pool crack or joint in your pool deck shell or patio. Spent time with a multitool grinding out bits and pieces of the old sealant and debris then filled the gap to 1 4 1 2 from the top with pea gravel and sand and tamped it down. Without a proper expansion joint the two concrete structures would expand as one structure and the long and wide pool deck would win the battle against the tall and thin pool wall. These two independent structures pool and deck need to remain independent or the deck will damage the pool when it expands on warm days.
The expansion joint filling had failed and rainwater was causing significant shrink swell problems with the concrete deck. The joint should be completely dry before beginning this project. Everything you need in one convenient location. Removing the old caulk i used a 5 1 painters knife.
How to re caulk a inground pool deck. Pool mastic is basically another name for the expansion joint caulking around swimming pools. Swimming pool inspection services was recently called on to provide an estimate for cost to repair a large crack in the decking of an inground swimming pool. Patch and repair products for your swimming pool decks and patios.