25YEARS of project in Ottawa Area. PRICING? Simple. We will BEAT! any comparable company's pricing in the city, and give you a quality install with all the proper equipment to do your job properly. Email us for a quote. 1500+ projects completed in Ottawa. WSIB and 2 million liability insured. Permacon Pro. Techo Pro. NMCA and ICPI certified. click below for portfolio: https://www.facebook.com/SilverstoneInterlockAndLandscaping email: info@silverstoneinterlock.com Permacon. Tech-bloc. Oakes.