Grapendaal Glazenwassers originated from Cleaning Company Grapendaal, which started in 1976 in Beverwijk. Brothers Martin and Gerard Grapendaal managed to develop this into a thriving cleaning company. Over time they managed to gain a lot of confidence in the window cleaning world and the customers that came from it. The Black Market, libraries and many schools. From private individuals to companies, from shops to foundations, you name it.
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