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Method and assembly for preventing the production of windborne debris

Inactive Publication Date: 2008-02-07
SPORTA JOSEPH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0032]In preferred embodiments, the perforate sheet is formed of a thermoplastic material further comprising a UV stabilizer. The sheet is, preferably, resistant to biological and chemical degradation

Problems solved by technology

However, the concept and means of preventing damage to the aforesaid structures from debris under the influenc

Method used

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  • Method and assembly for preventing the production of windborne debris
  • Method and assembly for preventing the production of windborne debris

Examples

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Embodiment Construction

[0040]With reference to FIG. 1, this shows, generally, as 10, a BIG-BOX retail store, having a flat roof 12 with a roof periphery 14 and having a “tar and gravel” surface 16. Upon roof 12 is a plurality of typical roof articles, namely, air conditioner unit 18, air vents 20, window cleaning equipment supports 22, and rain water run-off apertures 24 for water down-pipes (not shown).

[0041]With reference also to FIG. 1A and FIG. 2, located between aforesaid roof articles 18, 20, 22 and 24 and roof periphery 14 adjacent and 2-3 cm above surface 16 is a flexible, webbed netting 26, formed of a water resistant braided polyethylene. Netting 26 is attached to roof 12 and roof periphery 14 and by attachment bolts 28 and to a middle portion 30 by screw bolts 32. Netting 26 is at a distance of about 2 cm. above surface 16. Between netting 26 and surface 16 is loose particulate, B3 roof gravel 34, airborne by turbulent wind forces 36.

[0042]FIG. 1A shows netting 26 comprising two smaller portion...

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Abstract

A method and assembly for preventing the production of windborne debris from a surface of an object, particularly a roof surface, having roof gravel, under the influence of gale-force winds; and to a method of making the assembly. The method comprises locating a wind-permeable perforate sheet adjacent on or above the particulate material on the surface as to prevent the production of the flying debris.

Description

FIELD OF THE INVENTION[0001]This invention relates to a method and assembly for preventing the production of windborne debris from a surface of an object, particularly a roof surface, having roof gravel, under the influence of gale-force winds; and to a method of making said assembly.BACKGROUND TO THE INVENTION[0002]Reference is made to the seminal article by Minor, Joseph E., Journal of Wind Engineering and Industrial Aerodynamics, 53, (1994), 207-227, entitled “Windborne Debris and the Building Envelope”, for the damaging effects of windborne debris, particularly, roof gravel, in gale-force winds, particularly hurricanes.[0003]The above reference reported field surveys of typical built-up roofs having conventional “tar and gravel” surfaces that established the average roof gravel size to be 0.6 g., and an average large size to be 5 g.[0004]While the problem of addressing the damaging effects of flying debris, including roof gravel, on buildings and mobile houses, has been describe...

Claims

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Application Information

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IPC IPC(8): E04B7/00
CPCE04H9/14E04D13/00Y02A50/00
Inventor SPORTA, JOSEPH
Owner SPORTA JOSEPH
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