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Subject Author Date
Covered porch construction jam6444 01-17-2008
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Posted by on January 17, 2008, 2:16 pm
I'm putting in a covered porch with wooden decking. New construction.
The porch abuts the house on one side and is open on the other 3.
Will be approximately 3-4 feet above fin. grade. Supporting the 3
sides of the porch are block walls with brick veneer. No openings in
theose walls(yet). My question is: does a porch like this need to
have openings that will allow air below the porch?

Posted by PeterD on January 17, 2008, 4:59 pm
On Thu, 17 Jan 2008 11:16:28 -0800 (PST), jam6444@yahoo.com wrote:

>I'm putting in a covered porch with wooden decking. New construction.
>The porch abuts the house on one side and is open on the other 3.
>Will be approximately 3-4 feet above fin. grade. Supporting the 3
>sides of the porch are block walls with brick veneer. No openings in
>theose walls(yet). My question is: does a porch like this need to
>have openings that will allow air below the porch?

What does the porch's floor look like? Typical decking with gaps, or
solid? I'd say if solid, you're really going to need vents.

Posted by on January 17, 2008, 5:21 pm
> On Thu, 17 Jan 2008 11:16:28 -0800 (PST), jam6...@yahoo.com wrote:
> >I'm putting in a covered porch with wooden decking. New construction.
> >The porch abuts the house on one side and is open on the other 3.
> >Will be approximately 3-4 feet above fin. grade. Supporting the 3
> >sides of the porch are block walls with brick veneer. No openings in
> >theose walls(yet). My question is: does a porch like this need to
> >have openings that will allow air below the porch?
>
> What does the porch's floor look like? Typical decking with gaps, or
> solid? I'd say if solid, you're really going to need vents.


at this stage, I don't know. leaning towards small gaps. 1/4" max.

Posted by S. Barker on January 17, 2008, 9:33 pm
Yes, some ventilation would be good. Perhaps a 24 x 30 screened opening in
each end. Also you could crawl under there and get all that stuff people
and kids are gonna drop through the gaps.

s


> I'm putting in a covered porch with wooden decking. New construction.
> The porch abuts the house on one side and is open on the other 3.
> Will be approximately 3-4 feet above fin. grade. Supporting the 3
> sides of the porch are block walls with brick veneer. No openings in
> theose walls(yet). My question is: does a porch like this need to
> have openings that will allow air below the porch?



Posted by ransley on January 18, 2008, 6:36 am
> Yes, some ventilation would be good. =A0Perhaps a 24 x 30 screened opening=
in
> each end. =A0Also you could crawl under there and get all that stuff peopl=
e
> and kids are gonna drop through the gaps.
>
> s
>
>
>
>
>
> > I'm putting in a covered porch with wooden decking. New construction.
> > The porch abuts the house on one side and is open on the other 3.
> > Will be approximately 3-4 feet above fin. grade. =A0Supporting the 3
> > sides of the porch are block walls with brick veneer. =A0No openings in
> > theose walls(yet). =A0My question is: =A0does a porch like this need to
> > have openings that will allow air below the porch?- Hide quoted text -
>
> - Show quoted text -

It needs air to keep it dry, if no rain will ever hit the deck it can
be smaller openings.

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