| 摘要 |
A joint sealing structure for waterproof sheets for a cool roof includes a first waterproof sheet and a second waterproof sheet installed in such a manner that their edges are spaced apart from each other with a predetermined gap in-between and a polymer-filled portion that fills the gap. The polymer-filled portion is formed by filling the gap with a liquid polymer that has fire-retardant property. The waterproof sheet includes a waterproof sheet layer and a top reinforce layer placed on one side of the waterproof layer. The top reinforce layer is impregnated in the liquid polymer and then dried, and is treated to have a light color. The top reinforce layer is a fiberglass cloth having a plurality of glass fibers woven with one another. The polymer is impregnated onto the fiberglass cloth in such a thickness so that there are no glass fibers exposed out of the polymer.
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