Title:
MINERAL FIBER ROOF COVER BOARDS
Document Type and Number:
WIPO Patent Application WO/2019/055496
Kind Code:
A3
Abstract:
Composite roofing structures can include mineral fiber roof cover boards with high concentration of mineral wool or mineral wool and perlite. The roofing structure may include: a roof cover board including a dried base mat including: 8-25% mineral wool, 40-65% perlite, 9-15% binder, 9-15% cellulosic fiber, and 0.25-2% sizing agent, all % by weight; an insulation layer; and a roofing membrane. The roof cover board is over the insulation layer, the roofing membrane is over the roof cover board. The roof cover board is attached to the insulation layer. The roofing membrane is attached to the roof cover board. Alternatively dried base mat may include: 30-70% mineral wool, 10-50% perlite, 5-15% binder, 2-20% cellulosic fiber, and 0.25 - 2% sizing agent. Alternatively the dried base mat may include: 60-90% mineral wool, 0-10% fiber, 0-10% perlite, 4-10% binder, 0-5% gypsum, and 0.25-2% sizing agent.
Inventors:
XU WEI (US)
HUTCHINSON DERRICK (US)
ROKKE CHRISTOPHER J (US)
TUTTLE LORI (US)
HOUGH MICHAEL J (US)
HUTCHINSON DERRICK (US)
ROKKE CHRISTOPHER J (US)
TUTTLE LORI (US)
HOUGH MICHAEL J (US)
Application Number:
PCT/US2018/050636
Publication Date:
April 25, 2019
Filing Date:
September 12, 2018
Export Citation:
Assignee:
UNITED STATES GYPSUM CO (US)
International Classes:
D21J1/16; E04D11/02; E04D13/16
Domestic Patent References:
| WO2003012220A1 | 2003-02-13 | |||
| WO2012010694A1 | 2012-01-26 |
Foreign References:
| GB2084624A | 1982-04-15 | |||
| US4126512A | 1978-11-21 | |||
| US3244632A | 1966-04-05 | |||
| US3623938A | 1971-11-30 | |||
| US20040172899A1 | 2004-09-09 | |||
| US20150354220A1 | 2015-12-10 | |||
| US4904510A | 1990-02-27 |
Other References:
ROCKWOOL: "Safety Data Sheet", 1 January 2016 (2016-01-01), pages 1/7 - 7/7, XP055566173, Retrieved from the Internet [retrieved on 20190307]
ROCKWOOL: "Safety Data Sheet Rockwool stone wool Safety Data Sheet Rockwool stone wool", 26 November 2013 (2013-11-26), pages 1(3) - 3(3), XP055566180, Retrieved from the Internet [retrieved on 20190307]
BRADFORD: "CSR SAFE USE INFORMATION SHEET FBS-1 Rockwool Insulation Products", 6 December 2016 (2016-12-06), pages 1/6 - 6/6, XP055566183, Retrieved from the Internet [retrieved on 20190307]
ROCKWOOL: "Flat Roof Insulation High compression strength insulation for flat roofs", 1 August 2014 (2014-08-01), pages 1/12 - 12/12, XP055566190, Retrieved from the Internet [retrieved on 20190307]
ROCKWOOL: "Safety Data Sheet Rockwool stone wool Safety Data Sheet Rockwool stone wool", 26 November 2013 (2013-11-26), pages 1(3) - 3(3), XP055566180, Retrieved from the Internet
BRADFORD: "CSR SAFE USE INFORMATION SHEET FBS-1 Rockwool Insulation Products", 6 December 2016 (2016-12-06), pages 1/6 - 6/6, XP055566183, Retrieved from the Internet
ROCKWOOL: "Flat Roof Insulation High compression strength insulation for flat roofs", 1 August 2014 (2014-08-01), pages 1/12 - 12/12, XP055566190, Retrieved from the Internet
Attorney, Agent or Firm:
VENTURINO, Anthony et al. (US)
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