form a barrier which would involve the first side flange 26 and the second side flange 28 of the members 22 24 the preferred embodiment of the present invention can be utilized in a simple and straightforward manner with little or no training a layer of a substance such as caulk would be applied to the face of the first side flange 26 of each member 22 24 prior to securing the slide panel guide 20 to the building 100 so as to fill any gaps or irregularities to achieve a water tight seal the substance used to achieve this seal would preferably not shrink upon setting or drying and would maintain good adhesion between the first side flange 26 and the building 100 over an extended period of time such as a good quality silicone or latex caulk however the substance used for this sealing is not the subject of the present system 10 and as such may encompass any material or materials capable of bringing about the water tight seal as a preparatory step to the installation of the slide panel guide 20 on a building 100 a pad 120 would have to be prepared the pad 120 is a new or an existing block preferably composed of concrete into which threaded inserts have been secured for the purpose of retaining the.