| 摘要 |
PROBLEM TO BE SOLVED: To provide a bubble sheet which can be easily laid on a surface where concrete is placed, and can be particularly preferably used as a curing sheet for the concrete as water can be additionally supplied to the surface where the concrete is placed even after laying, when the concrete placed on a ceiling or a wall surface is cured, and to provide a method of curing of the concrete using the bubble sheet.SOLUTION: The bubble sheet 1 includes a long cap film 2 having a number of projections 20 swelling in a hollow state and being formed in predetermined arrangement, and a long back film 3 laid on an opening side of the projections 20 along the longitudinal direction of the cap film 2. The width Wof the back film 3 is shorter than the arrangement width of the projections 20, whereby a back-film-laid region R where the opening parts of the projections 20 are sealed by the back film 3 and a back-film non-laid region Rwhere the opening parts of the projections 20 are not sealed are formed adjacently in the width direction. |
