Invention Grant
- Patent Title: Light weight gypsum fiber panel suitable for use as roof cover board
-
Application No.: US15087539Application Date: 2016-03-31
-
Publication No.: US09950957B2Publication Date: 2018-04-24
- Inventor: Yufeng Xu , Eugene S. Stivender
- Applicant: UNITED STATES GYPSUM COMPANY
- Applicant Address: US IL Chicago
- Assignee: UNITED STATES GYPSUM COMPANY
- Current Assignee: UNITED STATES GYPSUM COMPANY
- Current Assignee Address: US IL Chicago
- Agency: Vorys, Sater, Seymour and Pease LLP
- Agent Pradip Sahu; Philip T. Petti
- Main IPC: C04B28/14
- IPC: C04B28/14 ; E04B2/00 ; E04C2/02 ; E04D11/02 ; E04D5/00 ; C04B26/28 ; D21J1/16 ; E04B7/22 ; E04C2/04 ; E04D1/26 ; E04D3/04 ; C04B111/00 ; C04B111/10
Abstract:
A roof cover board made from a mixture of 30-60% stucco; 20-50% perlite; 10-30% cellulose fiber; 3-20% starch; and siloxane. Also disclosed is a stucco-free roof cover board made from a mixture of 30-60% perlite, 30-60% cellulose fiber, 5-25% starch; and siloxane. Also disclosed are methods for making same.
Public/Granted literature
- US20170107152A1 Light Weight Gypsum Fiber Panel Suitable for Use as Roof Cover Board Public/Granted day:2017-04-20
Information query
