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How to Install Vinyl Siding Over Wood Siding: Can You Actually Do It?

How to Install Vinyl Siding Over Wood Siding
Can you put vinyl siding over wood siding a lot of home owners ask themselves. A lot of homeowners would prefer vinyl siding over other materials for siding because it is absolutely very cheap and is easy enough to be installed on your own, without having to hire a professional installer. Furthermore, the vinyl siding could resist insects and will not rot easily and it would not require any painting.

When it comes to the new construction, the vinyl siding is often installed right over a wood wall sheathing that is draped with durable foam insulation as well as a great barrier for moisture. On the older type of houses, old vinyl siding or metal siding should be removed, however, vinyl can be possibly installed over the old wooden siding even if you will not remove the wooden siding. Installing the vinyl siding right on top of the wood siding will require a considerable amount of preparation and might also require the need to adjust the window as well as the door frames for a much wider wall.

The latest trend in the remodeling of home is to do away with the wooden siding and then installing the vinyl siding right on the outside part of your home. Perhaps, this is because of the benefits that the vinyl siding can give to every homeowner. If you want to do the project on your own instead of hiring a professional installer, you have the steps right here.

The Wood Must Be Sound

The existing wood siding should be in great shape and must have no molds or rot. Moreover, it must be tightly fastened right to the wall studs or wall sheathing. You must make sure to replace any of the bad boards and you also need to remove any of the window, door or other trim, like the ones on the corners. It is also important that the walls will have to be stripped in order for the wooden siding to appear.

Furring and Foam

It is important that the vinyl siding will be installed on a flat surface. If the wooden siding will be lapped or beveled, you have to make use of vertical furring strips that are sixteen inches apart and covered with a rigid foam board in order to provide for a flat surface. The furring strips should be 1 by 2 inches or perhaps a 1 by 4 inch lumber which is often pressure treated against any kind of moisture and nailed to the wall studs right within the siding. Afterwards, the strips must be placed just like the studs right on the wall.

Moisture Barrier

The vinyl should also be installed right on top of a moisture barrier so that if none will exist right below the wooden siding, your house must be draped with a polyethylene material or any similar material. The house wrap is often placed right on top of rigid foam and then tacked right in place using broad headed nails that come with plastic washer right below the heads. The house wrap must also be sealed at the seams using a tape in order to match the kind of barrier used.

Adjust Frames

You must adjust the window as well as the door frames including the other openings in order to accommodate for a much thicker wall. You have to measure the existing wall as well as the vinyl panels and then add the width of the foam insulation. With the use of brick mold or wood trim, or perhaps, a similar frame boards in order to extend the width of the window as well as the door frames, such that the vinyl will be accommodated. You have to make sure that the windows and the doors are equipped with metal flashing, well capable of blocking moisture. Afterwards, replace any of the flashing right around the electrical boxes, faucets, and other utilities in order to be fit right to the next wall.

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Fastening the Strips

Fastening the strips is actually the key to the overall success of these steps on how to install vinyl siding over wood siding. So snap a level chalk line right around the bottom of the house, just about an inch above the bottom part of the existing wood siding. This is for the steel starter strip to hold the bottom part of the first row of the vinyl siding. Make sure to leave about 1/4 inch of gap right at the ends or the corners and then drive the nails right in the middle of the nailing slots.

J Channel and the Utility Trim

The J channel strips will hold the vinyl panels right in place. The J channel, also called the corner channel, which has a J channel opening on one side, is vertically nailed right at the ends of the wall, all over the doors, windows, as well as other openings. The utility trim will be installed at the bottom part of the windows as well as at the wall tops right below the roof soffits. All of the fastenings must have enough room for the expansion on each ends and while the nails are placed right in the middle of the nailing slots.

Snap Panels

You have to make sure that you install the vinyl panels one at a time, beginning from the back portion of the house. Make sure that you snap the bottom of the panel securely right towards the starter strip. Slowly push the panel end right within the J-channel and make use of a level in order to make sure that it is leveled and fastened with broad headed nails right in the middle of the nailing strips. Overlap the panels coming from the front to about four inches and then leave a gap of about 1/4 inch on each corner, end or opening.

Keep the Seams Apart

Make use of a part panel in order to start a second row, also coming from the back, such that the vertical seams will not line up. Cut the panels as needed in order to fit right around the windows or doors or some other openings with the use of a utility knife, tin snips or perhaps, a power saw if you have one.
Check each of the rows using a level in order to keep the panels leveled. Ensure that the panel tops are well aligned at the corners and it is best that you work around the house in order to make it easier for you to keep the corner panels well aligned, instead of doing both sides and then the ends.

Use Lugs at the Tops and Windows

The final steps on how to put vinyl siding over wood siding is to fasten the panels right below the windows and right at the wall top using a snap lock punch. Cut off the panel lengthwise in order to fit the space and the punch lugs, while the protrusions are in the edge of the vinyl, in every eight inches or so right on the flat panel. You have to make sure that the lugs are right on the outside part of the panel and push the lugs within the utility trim in order to secure the panels well.

Now you know that you can in fact install vinyl siding over wood siding if you want to.

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