Sweeping the hulls off the bricks, with the grout catching them,was very difficult. Decided to look for a small blower and found this Black and Decker, which has been WONDERFUL. Also good for blowing leaves. It has a lithium battery which means fewer problems with retaining a charge. One downfall is a short life per charge. http://www.amazon.com/gp/product/B00AXTO41E?psc=1&redirect=true&ref_=oh_aui_search_detailpage