Without a doubt, one of the most common issues I see pertains to the dishwasher installation. The issue is that the dishwasher drain line does not make a high loop underneath the kitchen sink. In the diagram below, you can see that a high loop is just what it sounds like.
As you see, the dishwasher drain should make a high loop up to the bottom side of the countertop. The high loop is necessary for 2 reasons. The first is to ensure proper drainage of waste water during the drain cycle and prevent siphoning. The second is to prevent contaminated water from the garbage disposal or sink drain from backflowing into the dishwasher.
An alternative to the high loop would be an air gap that is installed through the countertop. An air gap device is used to create a siphon break for the same purposes as the high loop. As you can see in the photo below, it is a bit unsightly. For this reason most homeowners opt for the high loop.
Although all new dishwashers come with a high loop integrated into the unit itself, every installation manual I have read requires the high loop be installed under the sink as well. Luckily this is not a hard requirement to satisfy. A simple and inexpensive fix would require a piece of metal (or plastic) strapping and a screw (left), or for a few dollars more, you could purchase a u-bend bracket (right). Both of the options should be available at your local hardware store.
Imagine this. It's 2 a.m. and you are sound asleep. Suddenly you are awakened by the blaring sound of your smoke detector. Your house is on fire. You need to get out but the hallway outside your bedroom is blocked by flames. This is where the code compliant egress window that should be installed in your bedroom can save your life.
An egress window, referred to in the building code as an Emergency Egress & Rescue Opening, is one that opens directly to the exterior of the home. It is designed to allow occupants to exit the home in case of emergency, or, in a worst case scenario, allow firefighters a way to enter the bedroom to search for and rescue occupants who may be incapacitated. There are specific size requirements for a window to be considered an egress window.
According to the International Residential Code, egress window requirements are as follows:
The diagrams below illustrate these requirements.
During a home inspection, I look at bedroom windows to determine if they are safe. Sure, I could pull out my tape measure to make sure the window meets egress measurement requirements, but I believe it is much easier than that. In fact, I believe anyone could determine if a bedroom widow is safe or not. If you don't think you could reach and/or fit through the window opening with relative ease, then its probably not a safe egress window.
Egress window requirements were seen in building codes as early as 1970, though many jurisdictions didn't adopt these codes until years later. It is not uncommon to see homes with windows that are too small by today's standards, yet were perfectly acceptable when the home was built. If you have aging windows needing replacement that don't meet current egress requirements, have no fear. Most jurisdictions allow you to replace existing windows with energy efficient windows of the same size. Depending on the size of the window, another option would be to replace it with a casement window with egress hinges. This would give you an energy efficient window that also qualifies as an Emergency Escape & Rescue Opening.
Home inspectors should point out windows that are too small as safety hazards and recommend the issue be corrected. While correction would be the best option, it is not always feasible. In this case, another option would be to not use the room as a bedroom.
Colin is a Certified Professional Home Inspector as well as a licensed MS Residential Builder. He has been remodeling homes since he was 14 and even built his own house by hand from the ground up. Colin is also the owner of Wilson Home Inspections.