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Old 07-17-2007, 06:07 PM   #1
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Sealing up the house during renovation and siding


The sheathing on my house is T&G planks. I want to run a bead of caulk between the planks and fill any cracks prior to wrapping.

What kind and what is your favorite brand of caulk for this application?

Since the walls are open anyway, should I caulk both inside and outside?

Anything else I should consider to seal the house as well as it can be?

TIA
Cjh

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Last edited by Clutchcargo; 07-17-2007 at 06:12 PM. Reason: clarification
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Old 07-17-2007, 06:25 PM   #2
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Sealing up the house during renovation and siding


Quote:
Originally Posted by Clutchcargo View Post
The sheathing on my house is T&G planks. I want to run a bead of caulk between the planks and fill any cracks prior to wrapping.

What kind and what is your favorite brand of caulk for this application?

Since the walls are open anyway, should I caulk both inside and outside?

Anything else I should consider to seal the house as well as it can be?

TIA
Cjh
Something to think about:
Houses need to breathe. Seal it up too tight, and moisture will be trapped. TYVEK or any other brand of housewrap will seal your house well, while allowing it to breathe. Unless you have gigantic gaps (1/8" +) between the boards, don't worry about it......

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Old 07-17-2007, 07:08 PM   #3
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Sealing up the house during renovation and siding


I've been conservative with the heat and it cost me nearly $1800 for the cold season. After the last two winters, I don't think it would be possible to seal the house up too tight.
Maybe I watch too much DIY TV, but they ran caulk everywhere where air infiltration was possible.
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Old 07-17-2007, 07:18 PM   #4
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Sealing up the house during renovation and siding


Quote:
Originally Posted by Clutchcargo View Post
I've been conservative with the heat and it cost me nearly $1800 for the cold season. After the last two winters, I don't think it would be possible to seal the house up too tight.
Maybe I watch too much DIY TV, but they ran caulk everywhere where air infiltration was possible.
Sealing up cracks and small gaps will elliminate drafts, and better insulation will help keep the cold out.
Bear in mind other factors that will save you money on your heating costs:
Proper attic insulation, an energy efficient heating system, a clean furnace flue, Low-e windows, proper wall insulation, etc...

Since you have an older house, you might go ahead and try to ''stop-up'' areas that may allow drafts, but to bring your heating costs down, don't forget about the other areas as well.

Last edited by AtlanticWBConst.; 07-17-2007 at 07:23 PM.
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Old 07-17-2007, 07:37 PM   #5
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Sealing up the house during renovation and siding


Try the spray foam insulation. It may be easier and quicker for larger gaps
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Old 07-17-2007, 07:53 PM   #6
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Sealing up the house during renovation and siding


Thanks Atlantic,
We're hitting all of the above, heating system is less than 2 years old, new construction windows going in at the same time as siding, R30 in the attic, R13 in the walls, and R19 in the cellar. All will help but I think I'll get the biggest bang if I can control the air infiltration better; there are gaps and cracks everywhere, some require expanding foam. Bear in mind that there were already two coats of siding on the house, so there is no way that I'm going to be able to fill all the nail holes anyway. I want to do as much as possible while it's apart.
While I'm at it would an additional layer of poly on the interior help or is the kraft paper on the insulation enough?
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Old 07-17-2007, 08:04 PM   #7
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Sealing up the house during renovation and siding


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Thanks Atlantic,
We're hitting all of the above, heating system is less than 2 years old, new construction windows going in at the same time as siding, R30 in the attic, R13 in the walls, and R19 in the cellar. All will help but I think I'll get the biggest bang if I can control the air infiltration better; there are gaps and cracks everywhere, some require expanding foam. Bear in mind that there were already two coats of siding on the house, so there is no way that I'm going to be able to fill all the nail holes anyway. I want to do as much as possible while it's apart.
While I'm at it would an additional layer of poly on the interior help or is the kraft paper on the insulation enough?
If you have the kraft paper already facing the interior warm areas, then DO NOT install an additional poly layer, as this constitutes 2 layers of vapor retarders and then can create moisture issues (it creates an area for moisture to be trapped instead of evaporating). It is something that even building inspectors will not allow to pass....

Last edited by AtlanticWBConst.; 07-18-2007 at 04:47 AM. Reason: grammer
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Old 07-17-2007, 11:38 PM   #8
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Sealing up the house during renovation and siding


Clutchcargo sats:
"While I'm at it would an additional layer of poly on the interior help or is the kraft paper on the insulation enough?"

If your going to use a 6 mil plastic, use unfaced insulation. As Atlantic states ,double vapor barriers are a no no.
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Old 07-22-2007, 09:19 AM   #9
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Sealing up the house during renovation and siding


Just to give you an idea on why I wan't to seal the house as well as possible. This is just a sample area, but the rest looks like very much like this.
Just an FYI, the blocking is so I can tie a 4x4 for a new portico entry into the house using lag screws. I did this so I didn't need to cut the sheathing.

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Last edited by Clutchcargo; 07-22-2007 at 09:22 AM.
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