A modified flexible sealing membrane is provided for sealing the gap between the frame of an industrial window and the rough opening in which the window is received (“building gap”). The membrane is formed from a flexible sheet defining an integral projection for receipt in an adaptor connected to t
A modified flexible sealing membrane is provided for sealing the gap between the frame of an industrial window and the rough opening in which the window is received (“building gap”). The membrane is formed from a flexible sheet defining an integral projection for receipt in an adaptor connected to the window frame. On one side of this projection, the flexible sheet defines an outer membrane portion which is wide enough to seal the building gap. On the other side of this projection, the flexible sheet defines an inner membrane portion which is wide enough to seal the gap that is often found between the different structural members which combine to form the window frame (“frame gap”).
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1. A barrier assembly for sealing a building gap formed between a window frame and a rough opening of a building in which the window is received, the rough opening being defined by building framing members, the window frame being formed by respective pairs of inside and outside frame members which s
1. A barrier assembly for sealing a building gap formed between a window frame and a rough opening of a building in which the window is received, the rough opening being defined by building framing members, the window frame being formed by respective pairs of inside and outside frame members which sandwich a pair of spaced apart glass panes forming the window therebetween, the respective pairs of inside and outside frame members together also defining a frame gap therebetween, the barrier assembly comprising: an adaptor carried by a first window frame member, the adaptor defining a channel along at least a majority of the perimeter of the window frame, anda flexible sealing membrane providing an air and moisture barrier between the window frame and the building framing members,the flexible sealing membrane being formed from multiple membrane sections, at least one of the membrane sections being formed from an essentially transparent silicone rubber, the at least one membrane section defining a flexible sheet and a projection integral with the flexible sheet, the flexible sheet defining an inner membrane portion associated with the window frame and an outer membrane portion associated with the building framing members, the inner membrane portion being arranged at a generally right angle with respect to the outer membrane portion, the inner membrane portion and the outer membrane portion each being wide enough so that when the projection is received in the channel of the adaptor, the inner membrane portion spans the frame gap while the outer membrane portion spans the building gap, thereby providing an air and moisture-proof barrier between the window frame and the associated building framing member. 2. The barrier assembly of claim 1, wherein the adaptor is attached to the inside frame member. 3. The barrier assembly of claim 2, wherein the flexible sealing membrane is formed from multiple membrane sections formed by extruding or molding an essentially transparent silicone rubber into the form of a flexible sheet having a major surface with the projection of the membrane section being integral with and projecting from this major surface. 4. The barrier assembly of claim 3, wherein each membrane section in its longitudinal direction defines an inside lateral edge associated with the window frame and an outside lateral edge associated with the building framing member of the building, the projection of each membrane section extending along a substantial portion of the length of the inside lateral edge, the projection of each membrane section being spaced from the inside lateral edge by a distance sufficient so that the inner membrane portion can be sealed to the outside frame member, the projection of each membrane section being spaced from the outside lateral edge by a distance sufficient so that the outer membrane portion can be sealed to a building framing member. 5. The barrier assembly of claim 4, wherein the rough opening of the building is defined by a structural wall having an outside surface, the projection of each membrane section being spaced from the outside lateral edge of the membrane section by a distance sufficient so that the outer membrane portion can be sealed to the outside surface of the structural wall. 6. The barrier assembly of claim 2, wherein the window frame has corners, each corner being defined by first and second intersecting frame side sections, wherein each intersecting frame side carries an adaptor section, wherein the sealing membrane is formed from a separate corner membrane for each corner, and wherein each corner membrane has a first projection received in the adaptor carried by a first window frame side section and a second projection received in the adaptor carried by a second window frame side section. 7. The barrier assembly of claim 6, wherein each corner membrane is formed by molding an essentially transparent silicone rubber to form a flexible sheet having a major surface with each projection being integral with and projecting from this major surface. 8. The barrier assembly of claim 7, wherein each corner membrane is sealed to the window frame and associated building framing members of the building without over-folding, lap joints or substantial pucker. 9. The barrier assembly of claim 1, wherein the entire flexible sealing membrane is formed from an elastomer consisting essentially of transparent silicone rubber.
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