A missing or damaged piece of siding can actually let air flow through your home which may render your heating or cooling useless.
Tear off or go over siding.
Of course the question of to tear off or not to tear off usually only comes up in vinyl siding installations.
I think that best practice is definitely to rip off the old siding then put up new house wrap and siding.
Making it tighter and more energy efficient.
Tear off the old wood you can see if there have been leaks and fix it.
The manufacturers specifically say that to install their product over existing siding is to void the warranty.
When in doubt the experts can help you.
Tape the flashings to the tyvek and all s good.
I believe that there is only one advantage to going over the old siding its cheaper.
If there have been any previous water infiltration issues whether interior or exterior it is always a recommendation that the siding be taken off so the studs and wall cavity can be inspected to make sure there is no damage.
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.
With other siding types fiber cement engineered wood etc.
You can add 1 foam adding r 5.
I agree that you do get a better installation by going over the siding but it s totally allowed by code and most guys out here don t even want to mess with the tear off unless it s absolutely 100 necessary.
The additional price is mostly related to the extra labor that goes into a tear off roof.
Should i tear off old wood siding.
But you must take care to install shingles correctly so they lie flat.
Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones.
Installing vinyl siding over wood siding.
Many people are attracted by the idea of overlaying existing asphalt shingles especially if the price quoted is lower and the contractor seems confident you don t need to tear off your old roof.
If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.
If you re unsure whether or not this is the case in your home make sure you contact a trusted vinyl siding company in maryland as soon as possible.
It probably isn t insulation board but a 1 4 wrap which is installed to smooth out the surface of the old siding.
It s for this reason that many people choose to go with an overlay roof rather than a full tear off.