Q Exteriors is one of London's most experienced companies, trusted by countless homeowners and many of London's premiere home builders. We have been offering a variety of quality products and highly qualified, experienced installers, backed by the best warranties available, since 1988. Whether you're looking for a new roof (new shingles, fascia's, leak repairs), eavestroughs (gutters, gutter guards, downspouts), siding, or windows, we are your "go-to" company for Quality and Satisfaction!