| 摘要 |
An aperture seal (30) is providing including a base member (32) having an insulating member (34) coupled thereto. A cover member (36) is coupled to the insulating member (34) on a side opposite the base member (32). A bead of sealant (38) is coupled around the periphery of the cover member (36). A second cover member (42) is provided to hold and protect the bead of sealant (38) in the first cover member (36) until the bead of sealant is released to secure the aperture seal (30) to the roof (12) and close the roof ventilator aperture (14).
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