CONTAINED FOAM ENVELOPE FOR INSULATING AND SEALING LARGE VOLUMES

摘要

A system for sealing or insulating a large volume is provided. The system includes an envelope having walls defining an interior. The interior is configured to receive a foaming composition. The envelope is initially configured in a retracted configuration. A foaming composition is configured for insertion into the interior of the envelope. The envelope is configured such that the foaming composition expands the envelope such as to fill a large gap.