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When MBW develops a new product, they look for deficiencies in products already in the marketplace. Portable wet screeds suffered 3 serious shortcomings:
Wet screeds were prone to high maintenance, especially in connection to drive mechanisms between the engine and exciter. The Screed Demon employs a simple, durable, low cost rubber isolator to drive the eccentric.
Most screed and screed bar combinations produce irregular vibration along the length of the screed bar. Not only is the concrete exposed to highly variable levels of vibration but cream levels vary from spot to spot along the screed bar. The back-to-back triangular construction of the ScreeDemon bar is extremely rigid and minimizes variability in the transmission of vibration. Most screeds bolt to their screed bars. Hardware threads are compromised by the concrete and assembling or removing the screed becomes such a problem that crews often don't disassemble for cleaning or transport. The ScreeDemon simply clamps to the specially designed bar. No holes to weaken the screed bar. No threads to complicate assembly/disassembly. The ScreeDemon goes together and comes apart in seconds.
Operator Health & Safety
All wet screeds tested by MBW exposed operators to excessive hand/arm vibration. The ScreeDemon's patented mount retention method enables use of low durometer isolators without loss of operator control. Hand/arm vibration is 50 to 90% lower than competitive screeds.
MBW Model No. WS500H
Hand/arm vibration is 50 to 90% lower than competitive screeds
The Screed Demon goes together and comes apart in seconds
Back-to-back triangular construction of the Screed Demon bar is extremely rigid and minimizes variability in the transmission of vibration
Employs a simple, durable, low cost rubber isolator to drive the eccentric