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Old 07-11-2014, 10:06 AM   #1
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Masonite Siding - Cover or Replace

I'm not looking forward to this project, but this fall (maybe next spring depending on funds) I will be getting new vinyl siding. Currently I have awful masonite siding. A good portion of it is rotted or torn up. There is no reason to try and repair it at this point.

My question is, am I better off just covering up what I can? Or should I tear down all the masonite siding as I go? (I'm not sure if I wanna know what's been going on under the masonite )

And to anyone who has had a similar experience with Masonite to vinyl siding, any advice would be greatly appreciated.


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Old 07-11-2014, 04:07 PM   #2
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I would bite the bullet and tear it off, rot spreads. and you can put a modern house wrap on then too.


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Old 07-11-2014, 04:20 PM   #3
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If you are speaking of the Masonite that I remember from 35 years ago, when I started putting up vinyl.

You are going to regret trying to vinyl over it.

Is this the brittle Masonite that shatters, is it in sheets approximately 1 foot high and 2 feet long, Chips easily, shatters when you try to nail through it?

The little broken pieces fall down between the old and the new vinyl and causes bulges, and warps in the new, and you end up taking parts of the new back off to remove the small broken pieces, to smooth out the appearance.

We always advised the homeowner to remove the old Masonite , nearly always those that did not want to "drop the dime" for removal, paid for it after the first wall was up, by having us remove the new and re-starting with a full tear off, and House wrap, then the vinyl.

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Old 07-11-2014, 05:35 PM   #4
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Masonite long ago had a total class action suite against them for all the failures and someone could have had new siding installed for free.
It's ground up cardboard and soaks up water like a sponge.
It's not going to fall apart as suggested while nailing, but I sure would never install anything over it.
Just face the fact there may be more rot under it. Deal with it and never have to address it again.
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Old 07-11-2014, 07:59 PM   #5
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Another vote for stripping it.
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Old 07-14-2014, 05:09 AM   #6
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Here is an example of what I'm dealing with. You can see the rot near the bottom. Hopefully it wont be too much of an issue to put off the residing until early next year. I just dont think I'll have the funds this year.


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