How To Cut House Wrap Around Windows And Doors

When properly installed house wrap protects a home against air and water leaks.

How to cut house wrap around windows and doors.

Cut an opening for the doors shaped like a capital i including the top and bottom horizontal bars of the letter. Only the factory approved brand should be used whether it be tyvek or typar. Important they sliced the wrap above the window and installed the top piece over the window s nailing flange. Tape the wrap out of the way to caulk and install the window.

How to install house wrap and window flashing using ipg s novawrap aspire building wrap and novaflash self adhered window flashing. The house wrap is slippery material and using the wrong tape on the seams can lead to failure. Then you have to come back and cut through in order to install the windws and doors. Wrap first cut later.

Then your can apply caulking around the top and sides of the rough opening. For this opening i m going to cut what i call an upside down wine glass. The most important part of weatherproofing begins before the window goes in. Tape the 45 degree cuts with contractor tape.

Next cut the house wrap in the upper corners on a small 45 degree angle. Cut out doors in a capital i shape. Trimming a door is just like trimming a window except you start out with base blocks at the floor as shown here. Wider than the casings.

Use a j roller to roll the tap flat. Release the top flap in the house wrap and fold it over the top flange. The height of the base blocks should be about 1 in. This cut should just be enough to easily fit the window flange under.

Intertape polymer group i. The base blocks should be about 3 8 in. Use flashing tape to cover the flange sealing the flange to the house wrap and then apply a piece of tape along the top flange. When remodeling the exterior of a home the correct application of house wrap around the existing windows and doors is particularly critical to preventing moisture and air intrusion and ensuring an energy efficient durable and healthy home.

After the house wrap is cut tuck the bottom flap into the house and install sill flashing. Greater than the height of the baseboard you re planning to install. Then fold in the sides of the house wrap but leave the top flap alone. The easiest way to apply house wrap is to go right over the window and door rough openings.