This is a new glass with new gasket installed. Glass is 3/16" thick about 17 3/8 wide x 11 1/4 tall at center and 9 3/8" on each end. Yes it is heat resistant ceramic glass used by quadra fire. Part #7000-014 for 5700 and 5700i stoves.The "I" is for insert, all others would be free standing or step tops. The item "Quadra Fire glass + GASKET 5700 5700i 7000-014 Wood Stove- fireplace" is in sale since Thursday, October 13, 2016. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Fireplaces & Stoves\Replacement Parts".dwk" and is located in Colville, Washington. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Bahamas, Viet nam.