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Roadtec Screed Boost
November 10, 2009

Roadtec’s Screed Assist helps to support the weight of the screed whether the paver is moving or stopped, and Roadtec also offers an additional option called Screed Boost to manage the settling of the screed only when the paver is stopped. The feature also compensates for settling of rubber-tired pavers during stops, caused by the tires compressing and squatting. Rubber tire compression causes the screed to descend and has led some in the industry to conclude that it is more difficult to get the same mat smoothness from a tire paver than a track paver. Screed Boost effectively addresses this issue giving road builders the tools to pave even, smooth mats with both types of pavers.








When the paver starts back into motion the screed boost shuts off and the screed returns to free floating. Screed Boost has a delay switch that allows the boost to stay on 0, 3 or 6 seconds after the paver goes into motion. This allows the operator to create a smooth transition by selecting a longer delay that lets him ease into fine-aggregate mixes that tend to compress more. For less pliable mixes he would use a shorter delay. While the paver is in motion the screed free-floats and is not affected by Screed Boost whatsoever.



Roadtec manufacturers a full line of highway-class pavers, including track and tire models. The company also manufactures cold planers, material transfer vehicles, and soil stabilizers in Chattanooga, Tennessee, USA.