BBB Accredited Business Profile



(303) 516-4014


15 years in business
PO Box 438
Erie, CO 80516-0438
Fax Numbers
  • (303) 530-0276
Additional Phone Numbers
  • (720) 341-2351
Additional Email Addresses
BBB File Opened: 06/09/2004
Business Started: 01/01/2003
Business Started Locally: 01/01/2003
Business Incorporated: 01/12/2004 in CO
Type of Entity
Business Management
  • Ms. Marsha van Dongeren, Owner
Business Category
  • Office Supplies
  • Office Furniture

Products & Services
Glassmat - The Last Chairmat you will ever purchase. Glassmat will never crack, indent or EVER wear out. Life time guarantee.
Service Area
We service the following area(s): Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virgin Islands, Virginia, Washington, West Virginia, Wisconsin, Wyoming
Alternate Business Names
  • Tech-Line Products, Inc.
Methods of Payment
  • Check

    All Major Credit Cards

Refund & Exchange Policy: 
I, Marsha (Owner of Glassmat) work with you one on one to assess your needs and size/shape Glassmat.  Standard size Glassmats are returnable with you as the client paying for transportation/shipping for the return.  Custom size are not refundable and are paid for at the time of order.  Custom sizes takes approximately 2 weeks to make and 1 week to ship. 
BBB accredited business



Glassmat - Glassmat is a ONE of A Kind chair mat that will NEVER indent, crack or EVER wear out. Glassmat is the Original and Only Glassmat.  Scratch resistant.  Lifetime Guarantee.  Home and Commerical Offices. Any size and shape you need.  And many other uses.

BBB Reason for Ratings

BBB rating is based on 13 factors: Get the details about the factors considered.

Licensing information is provided in the BBB Business Profiles to inform the public about industries that may require professional licensing, bonding, or registration. Better Business Bureau encourages you to check with the appropriate agency to be certain any requirements are currently being met.
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BBB reports on known significant government actions involving the business's marketplace conduct.
BBB reports on a company that is out of business for one year from the date the company closes its doors or ceases to do business.
BBB reports on unauthorized use of the Better Business Bureau's name and/or logo for as long as the business continues to use it in any advertising, or for one year after the business ceases any repeated unauthorized uses.
BBB reports on a business’s bankruptcy as long as the business remains in bankruptcy.
BBB reports when mail sent to the business was returned by the Postal Service.




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