we’ve been there too.

Our pick of the top 5 most common door installation mistakes


Below are 5 of the most common problems we see when it comes to door installation. Take a look below to see if you’ve ever struggled with any of these!

1. Always hanging the door parallel to the wall, even if it is out of level

If the wall is out of plumb, you will not get a level door, and it may tend to swing open or closed. If the wall is plumb but the door frame is not, the door frame may need to be adjusted to ensure an even reveal on each side of the door. If the walls on either side are not parallel, the door may need to be shimmed to ensure the best results.


2. Using the wrong hinge screws or over-tightening them

The right screws, or 3 ½” screws, keep the door stable over time. Too small of screws can allow the door to migrate over time, which can cause it to rub or scrape on the floor or not shut at all. When the screws have been tightened improperly, the door will experience uneven tension and will eventually warp.


3. Placing shims improperly or backwards

The thick end of the shim should face the door’s hinge pin. This helps it swing shut properly. If the shims have been installed backwards, the door will begin to resist before it is completely shut. Putting your door shims in backwards can also be a large contributing factor to a door that swings open or shut on it’s own. Read more about proper shimming techniques here: The Ups and Downs of a Door Shim


4. Failing to check the reveals

As the industries top cause of warped doors, uneven reveals can cause significant long-term problems with your door. The reveals must be parallel to ensure proper operation and a long life for your door. If the reveals are uneven, the door will build up pressure over time and warp as the moisture level changes. If a door is hanging with even tension across all three hinges, it will operate properly for years to come.


5. Not starting with a level sill

Installing a door with a level sill is like building a house on a level foundation, you have to start right to end right.

As you can see in the picture below, if you don’t start with a level sill, it’s practically impossible to end up with a good result to your door installation.  The sill is the door’s foundation, if it is out of level; the problems compound over the height of the door and become much more difficult to troubleshoot. Read more about proper level sill here: How Important is a Level Sill?

picture-correct-door-sill-vs-an-incorrect-door-sill



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JENTRA door levels

One thing has stood out clearly to us in our combined 15 years of experience in both the sales and installation of residential/commercial doors…. the lack of accurate door installation happening in the field. This installation process has been virtually the same since pre-hanging started in the 1960’s and yet it’s not uncommon to find a poorly installed door on most jobsites. It’s time to take a new look at this.

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CHEATAH door level

CHEATAH door level

The CHEATAH™ door level kit makes installing a door simple and quick. Attach the CHEATAH directly to the top and sides of the door. The four precise levels work together to allow easy, accurate positioning of the door. Once level, the built-in shim guides let you correctly shim the jamb. The CHEATAH works on all types of doors with perfect results each time. Our door level kit is extremely durable and carries our 100 Guarantee™. Save time and money installing doors right the first time, every time.

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100 Guarantee

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Make your purchase with the comfort of knowing that your order is backed by our 100/100/100 guarantee: 100% replacement if you are not 100% satisfied in your first 100 days. Guaranteed. This gives you plenty of time to check your items for accuracy, high-quality, and to try for yourself, family and friends. If for any reason you need to exchange an item, just contact our Customer Service department and you're done! * JenTra exchanges are subject to proof-of-purchase.
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