Hi, is your sliding glass door or windows hard to slide open??? Or you need to upgrade your lock? or screens need remeshing Well if this is you give me a call and i can come to your place with all the right equipment and knowledge on how to do the job safely and correct. With years of experience and friendly personality you will be more than happy with the job. Warranty on all work done. Will travel north or south east or west give me a call to make your booking today.( please note this is not a broken/ cracked glass replacement. maintenance only. thanks.