Why Are Outswing Doors More Expensive . Outswing doors are more secure, airtight and durable than inswing style doors. Hinges on inswing doors are from the inside and outswing doors have them installed from the outside. Milgard Vinyl French Door Yelp from www.yelp.com Whether your front door leads to your house, garage or workshop, there’s a. Doors that are designed to open. Generally speaking, french door frames must be sturdy enough to support the weight of the glass without drooping or twisting, that’s why they are often more expensive than solid doors.