Instaling Siding Panel Over Old Siding

Any imperfections in the wall will almost always show up in the siding.

Instaling siding panel over old siding.

Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding. Again allow for a 1 4 inch gap. Generally the best idea is to remove any existing siding from your exterior walls before installing the vinyl siding. Remember that vinyl siding is designed to be installed over a water resistant barrier.

The main concern to understand is that the hardieplank siding is going to be on the house for a very long time. Remove the siding and install oriented strand board commonly referred to as osb or to use the existing siding that s on the house now as substrate or layer beneath the top surface underneath the hardieplank siding. If there is not already an existing water resistant barrier between the structure and the old siding you will need to install one between the old siding and the new. Can you put new siding over old siding in general or do i need to remove the existing one.

Cut 1 4 inch above the flashing or window. Measure over from the other panel to mark the top and bottom of the vertical cut and snap a line between the marks. Just like vinyl siding you ll need to ensure the siding surface is completely flat either by the old siding or by adding slats to the wall. In most cases you can put new siding directly on top of old siding without having to remove the old siding first and in addition it will in fact add an addition layer of insulation thereby helping lower your energy bill.

On existing houses old vinyl or metal siding must be removed but vinyl can be installed over old wood siding without removing it. Hold a panel at the correct height and against a window or other obstruction to mark for the horizontal part s of a cutout. By following these six tips you can save time or money on new vinyl siding installation. There are two options for this.

This type of siding can be placed over some existing siding but most will not be good. The manufacturers specifically say that to install their product over existing siding is to void the warranty. This goes for fiber cement hardwood and masonite siding. Although i do not recommend siding over existing siding i suppose a case could be made for doing so if you had an asbestos shingled house that was in great shape and you wanted to retain the fire retardant protection of the asbestos but still reside the house cheaply.

This is actually a very common question and one i tend to answer with each home visit i make to consult those who are considering hardieplank siding for their tulsa home when old siding is already in place knowing how new siding is installed is highly important and obviously is going to determine just how successful a new install is in terms of longevity and proper installation. If you do decide to cover your lap siding in vinyl you ll need to first layer the existing lap siding with highly durable foam insulation and a moisture prevention barrier.