Install a Window

Installing a Window

Install a window with the Quick Door Hanger bracket. The installation brackets work great on window jambs. For these window installation instructions, we will be using a package of the Quick Door Hanger ‘interior door’ installation brackets, available at Home Depot in the interior door aisle. Using these brackets will give a strong, professional window installation without leaving any nail holes to patch in the jamb. It will also result in a perfect reveal when its time to case the window. If no drywall is yet installed on the inside of the building simply offset the brackets the thickness of the future drywall. These instructions are for the installation of a window that is the full wall depth (window jamb is flush to the drywall).

Please note: as each type of replacement window is different, it is highly recommended that you pay close attention to the installation instructions included with your window. However, the following are general replacement window installation instructions.

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Attach the Window Installation Brackets

Attach 1 package of the Quick Door Hanger brackets around the outside perimeter of the window jamb. 2 per side and 1 on the top and bottom. If it is a double window you will need to use 2 packages of the Quick Door Hanger brackets, 3 per side and 3 on the top and bottom. 

Bend the Brackets

Using a pair of pliers, bend all the installation brackets flat (so they will now be pointing into the building). Take note of there original shape, they will be bend back in a later step. 

Prepare the Window Opening

View the detailed instructions of preparing the window opening by Clicking Here!

Place the Window

From the outside of the building, place the window into the opening. Center the window left and right. Now place a level onto the bottom of the window and check for level, whatever side is high, hammer a nail into that side on the bottom corner through the nailing flange. Now, using that corner as a pivot point, raise the other bottom corner of the window until it is perfectly level and hammer a nail through the corner nailing flange.  

Plumb the Window

Place a level onto 1 side of the window. Move the top of the window until that side is perfectly level. Tap a temporary nail into each of the top corners to hold level. Using a tape measure, measure diagonally from 1 of the top corners to the opposite bottom corner. Then measure the other top corner to the other bottom corner. Both of the measurements should be the same. If the measurements are different, take out the top nails and adjust, then recheck. Once the measurements are the same, the window will be perfectly plumb.

Finish Securing the Nailing Flange

Now that the window is perfectly plumb, go around the perimeter hammering in a nail about every 8 - 12'. Make sure to take out any bows in the window while doing this.

Seal the Outside of the Window

Using window tape, seal the outside of the window. Place the tape over the nailing flange of the window and onto the exterior of the building. Make sure that the tape does not wrinkle or fold back onto itself. Take your time and make sure that it's perfect, this will keep your window sealed. You may now finish the exterior portion of the installation by reapplying any removed siding and/or exterior trim if needed. Click Here for more Detailed Directions on this step.

Securing the Window Jamb

Working on the inside of the building, hammer all the installation brackets back to their original shape from step 2. Now, working your way around the perimeter of the window jamb, fasten the brackets to the wall using the drywall screws provided. The elongated screw hole in the installation brackets will allow for adjustment so that you can get all the bows out of the jamb. The result will be a perfect installation with no nail holes to patch. 

Seal the Space between the Jamb and Wall

Seal the space. Using Minimum Expanding Spray Foam Insulation, fill in the crack between the jamb and the wall. Fill in all 4 sides (top, bottom, sides). Wait until the foam dries, then remove with a scraper. Note: Use minimum expansion foam, regular expansion foam can add pressure and bow the window jamb as it dries.

Install the trim around the newly installed jamb. Trim will perfectly conceal the installation brackets! Note: Most casing has a milled out backside that allows perfect space for the installation brackets. If you are using flat back trim you will need to simply hammer the brackets into the drywall a little bit.

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