Our Double Guarantee is rock solid and very simple. We truly value our clients, and we make sure that we don't just 'do the job.' We get it done right the first time, on time, every time. Why? Because after this time, we want there to be a next time. Find the confidence of a double guarantee with us. Our guarantee has two parts, which are clearly explained below.Sunshine Extreme Pressure Cleaning has also invested in the latest window-cleaning technology. We can clean exterior windows up to four storeys high, working safely from the ground. Whether you have some high glass at home or have glass to clean at a commercial or retail property, we are committed to providing reliable and professional service on time, every time.