CA2270684A1 - Roofing material with granular surface - Google Patents

Roofing material with granular surface Download PDF

Info

Publication number
CA2270684A1
CA2270684A1 CA 2270684 CA2270684A CA2270684A1 CA 2270684 A1 CA2270684 A1 CA 2270684A1 CA 2270684 CA2270684 CA 2270684 CA 2270684 A CA2270684 A CA 2270684A CA 2270684 A1 CA2270684 A1 CA 2270684A1
Authority
CA
Canada
Prior art keywords
roofing material
layer
granular surface
polyurethane layer
polyurethane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2270684
Other languages
French (fr)
Other versions
CA2270684C (en
Inventor
Thomas Zickell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MULTI TECHNOLOGIES INDUSTRIAL LP
Owens Corning Intellectual Capital LLC
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2270684A1 publication Critical patent/CA2270684A1/en
Application granted granted Critical
Publication of CA2270684C publication Critical patent/CA2270684C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Landscapes

  • Laminated Bodies (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

A roofing membrane material is disclosed. The material is characterized in that it includes a rubberized asphalt layer and a polyethylene reinforcement layer having a polyurethane layer on its upper surface. The polyurethane layer includes embedded grit to provide a high friction surface offering good traction.
CA 2270684 1998-05-05 1999-05-04 Roofing material with granular surface Expired - Fee Related CA2270684C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7288598A 1998-05-05 1998-05-05
US09/072,885 1998-05-05

Publications (2)

Publication Number Publication Date
CA2270684A1 true CA2270684A1 (en) 1999-11-05
CA2270684C CA2270684C (en) 2007-10-23

Family

ID=29709277

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2270684 Expired - Fee Related CA2270684C (en) 1998-05-05 1999-05-04 Roofing material with granular surface

Country Status (1)

Country Link
CA (1) CA2270684C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7125601B1 (en) 2000-10-18 2006-10-24 3M Innovative Properties Company Integrated granule product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7125601B1 (en) 2000-10-18 2006-10-24 3M Innovative Properties Company Integrated granule product

Also Published As

Publication number Publication date
CA2270684C (en) 2007-10-23

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20170504