Serving high end custom homes inSouthern California coast for over 24 years. Repair leaking thresholds with interlock system. Solid brass thresholds and sillcoversavailable in oil rubbed finishes. When repainting windowsreplace weatherstrippingthat has cracked or fallen apartfromUV rays withQlon factory replacments. Wheninstalling new flooringit will change the height of the threshold and need to be professionally reinstalled. Repairs for historic homes with interlock jambs double hungand casement windows.