| 摘要 |
A method for covering a roof structure comprising at least the successive steps of: providing a roof structure comprising at least a first and a second rafter; Providing a foil comprising at least one set of at least two adjacent position indication means being spaced by a distance S of at least 0,9 times the length of a catenary positioned between the two adjacent rafters and forming a drape of less than or equal to 30mm in between the rafters fixing said foil on said first rafter through said first of position indication means, spreading said foil until a second position indication means appears, fixing said foil on said second rafter, thereby creating a foil hanging in between said rafters. <Figure 6> |
