The doors in front of a garage or a showroom may be installed, but it is not simple as it does sound. The costs of installation, although being a capital expenditure for the owner, are pretty much high. Thus the buyer wants to assure himself of the product quality and specifications so that no more expenses could be incurred for getting the thing right over time again and again. The high costs of the gate installation do not leave any space for the buyer to arrange for more repair services required by the door if any shortcoming is noticed by the buyer. Thus he assures himself with the guarantee and warranty clauses offered by the agency installing the doors. However, there may be chances that the door may soon develop any fault in the near time due to reasons unknown, barring the mishandling issues of the buyer himself.