On-Site Installation J & J Screen Co. also has full service technicians to bring our shop to you. We can repair any manufacturers’ windows, screens, and doors on job-site as well as installing your newly repaired or manufactured items. Below is the short list of our most common repairs/installations on job-site Storm windows – New manufacture and repair Storm doors - New manufacture and repair – Safety – Tempered glass Screens/Patio screen doors – New manufacture and repair Screen porches – Wood and aluminum direct sets, porch panels Primary windows – Wood, aluminum, vinyl – Insulated glass