Early Entry Concrete Cutting

The saw s skid plate prevents concrete from unraveling when new joints are being cut.

Early entry concrete cutting.

This is where you can run into raveling when cut to early or uncontrolled cracks when cut to late. The u s saws early entry saw was designed for cutting control joints in green concrete but it can also be used for joint clean out applications. U s saws early entry concrete sawpart number. Another innovation that has significantly changed and improved the way concrete floors are constructed is the early entry saw.

The first successful early entry saw was a small 25 pound electric unit that made a 3 4 inch deep cut. Controlled planning and cutting of joints in the early stages of a concrete project can help to reduce stress on structural joints. The main benefits are the high production rates combined with the opportunity to pour and cut the same day. The early age sawcutting was typically done less than three hours after concrete placement.

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. Published on jul 13 2017 norton clipper early entry green and decorative concrete cutting will never be the same. Soff cut 4000 early entry concrete saw husqvarna self propelled gasoline saw is designed for heavy duty commercial industrial and paving applications. Joints in the test sections were sawed at 15 foot intervals using two different methods conventional water cooled sawcutting to a 3 inch depth and early age sawcutting to a 1 inch depth without cooling water.

First cut expert early entry blades are part of the true early entry system for cutting control relief joints in green concrete. The idea of creating a saw that would allow contraction control joints to be cut soon after final finish was born out of necessity. The gc55 for early entry the gc25e for electric indoor cutting and the new. Early entry saws sometimes called green concrete saws were first introduced to the market in 1988.

A soff cut early entry saw can be used within a couple hours of finishing so you have less chance of uncontrolled cracking. The best soff cut saw option for productivity along with various depth of cuts to handle larger and smaller jobs. This saw can be used indoors on small jobs or for finishing cuts near walls. Generally you want to saw cut 6 18 hours after the concrete has been finished unless you use an early entry soft cut saw.

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.