Another innovation that has significantly changed and improved the way concrete floors are constructed is the early entry saw.
Early entry concrete saw cutting.
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A number of approaches were tried.
It s the best solution for minimizing random concrete cracking which could be very costly for a concrete contractor.
We used an early cut saw to joint a concrete floor immediately after finishing.
For instance you could go for a husqvarna soft cut 750 green concrete saw for about 7210 00.
Early entry saws sometimes called green concrete saws were first introduced to the market in 1988.
It s the optimal solution for minimizing the risk of random cracking which is one of the most costly and aggravating problems faced by a concrete contractor.
Although the floor has no random cracks the engineer says we now have to chase the joints with a conventional saw so the cuts are 1 1 2 inches deep one quarter the slab thickness.
This also causes undo wear on diamond concrete saw blades.
Early entry saws the u s saws early entry saws are engineered and designed to cut control joints with clean edges within one to two hours of concrete finishing.
The early entry concrete saw is an electric portable lightweight joint cutting saw designed for cutting control joints in green concrete.
Also known as a soft cut saw or soff cut saw.
The biggest challenge to saw cutting at an early age was the raveling that would take place at the top edges of the joint if cutting was started too soon.
Cutting too early causes raveling an effect created by the saw blade pulling the aggregate out of position leaving a messy weakened edge along the cut.
Soff cut concrete early entry saws by husqvarna minimize risk of cracking and cut within 1 2 hours of finishing.
The floor is 6 inches thick and the sawcut depth is 3 4 inch.
Sawing too late can result in uncontrolled cracking as the concrete contracts during curing.
The first successful early entry saw was a small 25 pound electric unit that made a 3 4 inch deep cut.
Husqvarna soff cut is a system developed for ultra early entry tm sawing of contraction joints after pouring concrete slabs.
