I'VE READ ALL OVER THE PLACE ABOUT GLASS FIREPLACE DOORS BUT MY QUESTION IS ABOUT USING CUSTOM MADE STEEL DOORS. DOES ANYONE KNOW OF A REASON WHY I SHOUDN'T HAVE STEEL DOORS MADE TO FIT MY FIREPLACE? THE OPENING IS VERY SMALL 25" WIDE SO THE GLASS DOORS WOULD HAVE TO BE CUSTOM MADE AS WELL BUT AT A COST OF ALMOST $800.00 DOLLARS WHERE AS I CAN GET STEEL MADE FOR ABOUT $300.00. ANY HELP OUT THERE? THANKS.