Abstract
This paper describes the wind load mechanism for tile roofs. Results of extensive wind tunnel studies concerning wind pressure distribution on pitched roofs and around individual tiles are presented. The influence of the tile design (e.g., leading edge radius, permeability of overlap) and the use of underlay on the batten space pressure, and therefore on the net wind loads for common tile shapes, are given. The performance of special nails to increase the wind safety also is discussed. Attics are increasingly converted to living space. To decrease thermal losses, insulation often is fitted between the rafters. To avoid moisture accumulation due to condensation problems, the remaining batten space has to be vented. Ridge vents commonly are used in combination with openings near the eave. The paper presents results of a comprehensive study to evaluate the venting performance of typical ridge vents.
This paper describes the wind load mechanism for tile roofs. Results of extensive wind tunnel studies concerning wind pressure distribution on pitched roofs and around individual tiles are presented. The influence of the tile design (e.g., leading edge radius, permeability of overlap) and the use of underlay on the batten space pressure, and therefore on the net wind loads for common tile shapes, are given. The performance of special nails to increase the wind safety also is discussed. Attics are increasingly converted to living space. To decrease thermal losses, insulation often is fitted between the rafters. To avoid moisture accumulation due to condensation problems, the remaining batten space has to be vented. Ridge vents commonly are used in combination with openings near the eave. The paper presents results of a comprehensive study to evaluate the venting performance of typical ridge vents.
Date
9/1991
9/1991
Author(s)
C Kramer; H Gerhardt
C Kramer; H Gerhardt
Page(s)
284-293
284-293
Keyword(s)
batten space venting; pitched roof; ridge vents; wind load; snow penetration; tiles and slates
batten space venting; pitched roof; ridge vents; wind load; snow penetration; tiles and slates