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Welcome to GWI Roofing On behalf of the GWI Staff and Crew, we want to thank you for visiting our site. Please browse through our site and take a look at what we have to offer. We have been in the business for some time and we know haow to install a roof system to your home with professional staff on board. We stand behind our work and warranty our quality of service and products. Each product has different warranty information. We recommend calling our well trained sales staff in order to get a free estimate for your home or business. Our staff is always ready to assist you in your desire for a premium coverage of your home or business. |
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We are a certified Master Elite Installer for the GAF Corporation |
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Contact our sales staff or our office staff at the information below. Office hours are from 8am to 5pm, Monday through Friday. |
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In order to become a certified master elite installer, you must have a flawless record for installation. |
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Main Office 27552 E. 11th Street Hayward, California 94544 |
Office Tel. (510) 887-6964 FAX (510) 887-3955 |
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