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GADCO Answers
"Frequently Asked Questions"


There is a wide range in both quality and costs of garage doors manufactured today. These hints and explanations will help you in choosing the right garage door to fit your design needs.


Q. Who is GADCO garage doors?
A. GADCO is the trademark brand name for General American Door Company with corporate offices located in Montgomery, Illinois. GADCO is known in the United States and abroad for high quality doors and outstanding service.

Q. Where can I buy a GADCO garage door?
A. Simply click on the Dealer Locator button to find the dealer nearest you, or you can click on the Contact Us button for the nearest GADCO distribution center that can help you reach the nearest dealer.

Q. Why should I buy a GADCO garage door?
A. GADCO has been manufacturing quality garage doors selected by the leading builders, architects and homeowners alike for 40 years. Our combination of colors, door style and options is unsurpassed in the industry.

Q. What colors does GADCO offer?
A. GADCO offers an industry leading 9 different colors to compliment any décor. Colors available: white, brown, almond, sandstone, teratone, deep crimson and hunter green.

Q. What size door do I need?
A. Basically the same size as the finished opening of your garage.

Q. Can I buy a special size or custom door?
A. YES.GADCO manufactures doors in either residential or commercial designs that are available in many non-stock sizes. See our Series 7100 for special residential sizes. Contact your local GADCO dealer for availability and lead times.

Q. How much headroom do I need to install my GADCO door?
A. Consult the How To…button on this site for further information on headroom requirements.

Q. Does my new door come complete and ready to install?
A. YES. GADCO doors come complete with the track, spring(s) and hardware needed to install your GADCO door. In addition, you will need a rear hanging kit, which is several pieces of punched angle that is used to support the back end of the horizontal track which is an optional extra. You may use old hangers for a reinstall if they are in good condition. To seal out the elements you will need a vinyl jamb weather seal. Also, a low headroom kit may be needed for your installation to achieve proper clearance. These items are all optional extras and can be ordered from your GADCO dealer.

Q. Can my door by reinforced to resist high wind conditions?
A. YES. GADCO offers a certified windload door package to comply with local building codes. GADCO has a specially engineered line of doors to withstand winds up to 110 mph. If you live in an area where building codes have specific windload requirements your GADCO dealer can inform you of which package you need for your specific requirements.

Q. Can I use my existing hardware with my new door sections?
A. NO. Your new GADCO door has been specifically engineered with track, spring(s) and hardware to provide long lasting, trouble free performance. The old set may be worn and have metal fatigue which can be a safety concern. Also, the hardware may not line up with the new sections.

Q. What type of spring(s) is included with my door?
A. GADCO offers both extension springs and torsion springs. Your GADCO dealer can recommend which springs would be best for your needs. For further information regarding the type of spring, click on the How To… button on this site.

Q. Does my door come with a lock and is the section drilled for the lock?
A. NO. GADCO's doors come with a standard interior locking system which includes a snap latch, latch keepers and latch cable to lock the door in the down position and it can only be unlocked from the inside. This system should be installed but deactivated when your door is equipped with an electric garage door opener. If desired, you may obtain an optional key handle type lock from your GADCO dealer.

Q. How difficult is it to install a GADCO garage door?
A. Replacing your garage door is like working on your car, therefore, some mechanical expertise is necessary. Carefully study the parts and installation instructions before you remove your old door. Garage doors because of their size can be heavy and a helper should be recruited before you start. Allow yourself a day to complete the job which will include hauling away the old door.

Q. If I buy a non-insulated door can I insulate it at a later time?
A. YES. Insulation kits are available for GADCO Series 7825, Series 7524, Series 4126 and most commercial Series. Series 7926, Series 7100 and Series 9001 come with factory installed insulation as standard and the Series 7400 and Series 2100 do not offer that option. These easy to install insulation kits are available through your GADCO dealer.

Q. Can I paint my new door?
A. Usually, YES. Although, GADCO has nine colors to choose from in the steel door series which comes with a high quality two-coat finish paint system inside and out; the door(s) can still be painted. The door should be painted with a high quality exterior latex paint. The surface must be cleaned prior to painting to insure paint adhesion. GADCO doors do not require a prime coat unless the steel has been damaged into the galvanizing. GADCO does not recommend painting the high density polyethylene door, Series 9001 and Series 2100. For further information consult the installation instructions supplied with the door.

Q. Where can I order parts for my door?
A. You can order all parts for your door from your GADCO dealer. Any door part not in stack can be ordered for you. Please contact your local GADCO dealer for assistance.

Q. Can I buy replacement sections?
A. YES. As long as GADCO manufactures the series you purchased, replacement sections are available. Important… sections may change color over time due to exposure to the elements and replacement sections may not match.

Q. Does my door require maintenance?
A. YES. GADCO recommends that you follow the maintenance procedures recommended with the installation instructions that came with your door. If you do not have the maintenance instructions that come with the door, then follow the (DASMA) Door & Access Systems Manufacturer Association's Automatic Garage Door Opener and Garage Door Safety & Maintenance Guide by going to www.dasma.com.

Q. Does my garage door require reinforcement to attach a garage door opener?
A. YES. All GADCO doors require an opener prep kit added to the inside of the top section to protect the section from bending during operation with an electric garage door opener. GADCO doors can be ordered with an opener prep kit and failure to properly install this kit will result in damage to the door and void all warranties. Review the installation instructions for proper reinforcement application when installing an electric garage door opener.

Q. What horsepower is necessary to properly operate my garage door?
A. Generally a 1/3 horsepower opener can sufficiently operate most garage doors, however double wide doors may require a 1/2 horsepower unit. Garage door openers do not eliminate the need for garage door springs. Click on the Products button to view GADCO's selection of openers by Lift-Master.

Q. Can I reinstall my old garage door opener on a new door?
A. YES. GADCO recommends that you check with your opener manufacturer to insure compliance with today's laws regarding safety features. Upon verification that your opener meets all current government requirements, most openers can be reattached to a GADCO door. Important…be sure an opener prep kit is in place before attempting to reinstall the opener. Review the installation instructions supplied to you with the door and opener.


Copyright 2008, General American Door Company. All rights reserved.