| 简介 |
A magnetized fastening system for applying, over an opening and surrounding fascia of a structure, a covering material including either of a flexible or rigid outer reinforced extending perimeter within which is configured a plurality of receiving apertures. A plurality of rails are adapted to being secured to the fascia in extending fashion proximate the opening, each of the rails exhibiting a three dimensional cross sectional shape with a forwardly projecting support surface within which is configured an outwardly facing narrowed slot for receiving a plurality of fasteners for securing the edges of the covering. A magnetized insert secures together the elongated channels in perimeter defined fashion over the intake opening. This can further include any of the channels being magnetically attracting, the connectors magnetically attracting metal intake surface of the air handling unit, and/or an intermediate applied strip between the rear surfaces of the channels and the intake face (typically non-metallic or non-attracting in this variant), such providing an opposite polar attraction to the magnet contained in the corner “L” or intermediate, linear “T” or cross shaped inserts, such as which can include a rare earth magnet contained in a pocket configured on an inside face of the insert. |
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