Roofing system for protecting flat roofs or slightly sloped roofs, method of application of said new roofing system and method for reroofing using said new roofing system
US5660004A · kind A · utility
Inventors
Key dates
| Filing date | Mar 30, 1995 |
| Grant date | Aug 26, 1997 |
| Priority date | — |
| Expiry date | Mar 30, 2015 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B7/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
This invention provides a new roofing system for protecting flat roofs or slightly sloped roofs. This invention also features a method of roofing and a method of reroofing using a new roofing system, said method comprising: PA1 (a) removing and relocating debris, including but not limited to leaves and loose roof gravel, from top of a building; PA1 (b) using an existing horizontal roof deck as a lower surface of said new roofing system; PA1 (c) fastening a horizontal roof support to said horizontal roof deck, and to any ceiling joists lying under the horizontal roof deck, using fasteners; PA1 (d) fastening metal sheets to the horizontal roof support using fasteners, said metal sheets inclining upwards from a number of longitudinal outer edges of the lower surface towards a central section of the new roofing system forming a left upper surface and a right upper surface, with a gap existing at the central section between the left upper surface and the right upper surface of the new roofing system; PA1 (e) using a number of ridge caps to cover said gap at the central section which is located between the left upper surface and the right upper surface after having placed a number of two…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.