Install tyvak

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What Others Are Saying… We were in the planning stages of our exterior remodeling project that included: New siding, windows, fencing, and a deck refacing. Cut from the corners of the door openings to each corner of the "I," with the top and bottom of the "I" located approximately 8 inches Once the cut has been made, fold the Tyvek over the door openings and tack it down on the inside of the framing.

Seal the wall wherever necessary. Use Tyvek tape or a sealant product vetted for Tyvek to cover any areas that require additional protection, forming an airtight seal. Be sure to apply tape or sealant to the following areas: The entire outline window openings except the sill base. Vertical and horizontal seams where Tyvek rolls overlap. Any tears, puncture marks, or other damage the Tyvek suffered during installation.

Larger holes may need a small piece of Tyvek wrap taped over them. Method 2. Purchase Tyvek FlexWrap. This is a Tyvek product that can easily be stretched to cover the corners of window and door openings. Choose a width, typically 7—9 inches 18—23 cm that can easily cover the sill and provide a couple inches several centimeters of overlap. While ordinary Tyvek wrap is typically cheaper, it will not provide as durable and effective a water barrier for window sills.

Check the slope. The windowsill should be level or sloped slightly outward, to provide adequate drainage. If it is sloped inward or sloped severely in either direction, install a sloped sill pan before continuing. Clean the sill. Wipe the sill and surrounding surfaces with a dry cloth to remove all moisture, grease, dust, and frost from the area. Cut the FlexWrap.

Cut the FlexWrap at least 12 in. This extra space ensures the entire sill will still be covered once the Tyvek FlexWrap is stretched around it and fastened. Apply primer in certain conditions. Primer is only necessary in areas of severe weather conditions, severe cold temperatures, or certain building materials.

Apply primer if the sill is made from concrete, masonry, or fiber-faced exterior gypsum board. Lay out the FlexWrap. Place the Tyvek FlexWrap over the sill, so it completely covers the base and hangs over the surrounding vertical sides.

Do not stretch the Tyvek while laying it across the sill. Smooth it out with your hand or a roller to make it flat and even. Stretch and fasten the FlexWrap over the corners. Hold the FlexWrap in place over the sill, then pull one corner to stretch it onto the surrounding wall surface. Use a staple, washer head nail, or other fastener to attach the FlexWrap over the wall.

Repeat for the remaining corners. Make adjustments while install the window or door. Follow the window or door manufacturer's instructions for installation. However, make sure not to caulk the FlexWrap base of the sill. After installation, you can provide additional protection by installing FlexWrap strips over the exterior jambs sides , then cover them with a strip over the head top of the window.

Ryaan Tuttle Home Improvement Specialist. Ryaan Tuttle. You can use a staple gun, or they make these things called cap nailers that you can use. They shoot out a small nail with an orange cap on the end that helps hold the ties back on the plywood.

Not Helpful 0 Helpful 3. Yes, as long as the letters face out. The membrane is designed to be slightly breathable in one direction. Not Helpful 0 Helpful 7. No, but the more overlap, the more wasted material there is. Also, try not to overlap other fasteners that would lead to double-fastening. Put both layers up, and then fasten through both. Not Helpful 0 Helpful 2. I have an older home where we stripped off the old clapboard.

We want to install Tyvek wrap before putting new clapboard up. There is black tar paper over the barnboard; do we need to strip that off before applying the Tyvek? You should remove the tar paper before you install the Tyvek on your home. Caulk around the boxes and cut the Tyvek to accommodate them. For larger boxes it can be easier to piece the Tyvek in by stopping it at either side and using a pieces on the top and bottom, just make sure to keep the material running in the right direction.

In both cases, tape the Tyvek to the box.