Removing existing siding and installing osb has several benefits such as having brand new substrate on the home and the ability to inspect the wall cavity and all framing insulation and structural integrity of the home before replacing siding.
Remove old siding before residing.
Window and door frames may need to be adjusted to match the new thickness of the wall.
Contractor quotes can vary wildly.
If however you have metal or old vinyl siding that will need to be removed before new vinyl is installed.
You don t have to take off your old siding to put up new vinyl siding in some situations but there are many advantages to removing the.
Many homeowners choose vinyl siding because it is relatively inexpensive easy for a do it yourselfer to install resists insects and rot and never needs.
One major stipulation with the james hardie siding warranty is that it specifically states that if.
How to pull off old siding before installing vinyl siding.
The vinyl siding will create a cavity over the old siding where there is room for air and temperature differences that will make the vinyl siding more prone to warping over time and that is on top of the fact that without the flat surface of the actual sheathing it is more difficult to install the vinyl perfectly flat.
It also eliminates the problem of mold forming when insulation is attached directly to the substrate.
Going over the existing siding adds to the r value by creating an air space between the insulation and old siding.
When getting a quote for residing your home removal and disposal of the old siding should be factored in to any quote you get from a contractor.
If there isn t a moisture barrier beneath the old wood siding you ll want to install one over it before you add the new vinyl siding.
Installing vinyl siding over wood siding.
When new siding is installed the old siding can be left in place or torn off before the new siding is installed.
In either case a qualified installer can blow loose fill insulation typically either cellulose or fiberglass into each cavity.
If there is a problem it can be repaired before the new siding is added.
This is one of the major advantages of removing the old siding simply because it allows you to inspect and repair any problems such as termite damage or water damage.
If there is a problem it can be repaired before the new siding is added.