| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot water sheet which can be bonded to a subfloor material and a floor material at installation work. SOLUTION: The subfloor material 5 is provided at the floor face, being supported by joist 6, and at the topside, a groove 7 is processed along the passage of a hot water supply pipe in advance. In installation of the floor heating system, the hot water sheet 1 is spreaded all over the subfloor base material 5, in such a way that the projections made by the hot water pipe 4 of the hot water sheet 1 fit in these grooves 7. Then, the connection work of the hot water pipe is performed, and further floor material 8 is spreaded all over the hot water sheet 1. At that time, an adhesive is applied on the subfloor base material 5 through the through-hole 9 of the hot water sheet 1, and the adhesive stops the through hole 9 and reaches the surface of the hot water sheet 1. Then, the floor material 8 is spreaded all over the hot water sheet 1, whereupon the subfloor material 5 and the floor material 8 are fixed directly firmly by the adhesive filled in the through-hole 9.
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