[Peter Boulton[_2_]]

Quick question - does a (brick) garage need a dpc?

What about if the dpc was omitted just under a window? But is present
elsewhere (because the window replaced a door which was removed and then
bricked up).

Thanks!

Pete

[Roger Mills]

In an earlier contribution to this discussion,
Peter Boulton wrote:

Quick question - does a (brick) garage need a dpc?


Yes

What about if the dpc was omitted just under a window? But is present
elsewhere (because the window replaced a door which was removed and
then bricked up).


There's a strong chance that the brickwork under the window will suffer from
rising damp - and this may also spread sideways.

There should have been a DPC under of cill of the door frame which was
removed. If the DPC was left in place, the replacement brickwork will have
one anyway!
--
Cheers,
Roger
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[robgraham]

On 6 Mar, 19:50, "Peter Boulton"
wrote:
Quick question - does a (brick) garage need a dpc?

What about if the dpc was omitted just under a window? But is present
elsewhere (because the window replaced a door which was removed and then
bricked up).

Thanks!

Pete

Your problem depends on how the garage is built. If it's brickwork on
top of a concrete raft, then there should be a dpm under the raft and
there will be no rising damp anywhere. If it's the other way round
and the concrete is laid inside the brickwork, your query, as Roger
says, depends on whether there was a dpc under the door cill or not.
One suspects that it might have been omitted there as it wouldn't be
that critical for a door.

If you can see it's missing in the 'new' brickwork and this is
important to you, your options are to drill and insert a chemical dpc,
or rake out a course of the brickwork and insert a strip of dpm. Bear
in mind that there should also be a layer under the window cill.

[Peter Boulton[_2_]]

"Peter Boulton" wrote in message
...
Quick question - does a (brick) garage need a dpc?

What about if the dpc was omitted just under a window? But is present
elsewhere (because the window replaced a door which was removed and then
bricked up).

Thanks!

Pete

OP here! I'm being silly, I think. There is no dpc visible on the outside
of the brickwork and the inside is boarded over temporarily. However, on
closer inspection I can just see a dpc at each edge behind the boarded up
bit, so I guess it must just have been a tidy job!

Sorry to waste everyone's time.

Pete

[Martin Bonner]

On Mar 6, 8:13 pm, "Roger Mills" wrote:
In an earlier contribution to this discussion,
Peter Boulton wrote:

Quick question - does a (brick) garage need a dpc?

Yes
Why?

What about if the dpc was omitted just under a window? But is present
elsewhere (because the window replaced a door which was removed and
then bricked up).

There's a strong chance that the brickwork under the window will suffer
from rising damp - and this may also spread sideways.

And why is that a problem? It's unlikely (although not impossible)
that there would be enough rising damp 2 feet off the ground to rot
the window. Of course, it would mean that anything stored in the
garage might be liable to damp damage.

[Roger Mills]

In an earlier contribution to this discussion,
Martin Bonner wrote:

On Mar 6, 8:13 pm, "Roger Mills" wrote:
In an earlier contribution to this discussion,

There's a strong chance that the brickwork under the window will
suffer from rising damp - and this may also spread sideways.

And why is that a problem? It's unlikely (although not impossible)
that there would be enough rising damp 2 feet off the ground to rot
the window. Of course, it would mean that anything stored in the
garage might be liable to damp damage.

Not only making the inside damp - with tools going rusty - but also the damp
brickwork would potentially be susceptible to frost damage.
--
Cheers,
Roger
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[Man at B&Q]

On Mar 7, 3:22*pm, "Roger Mills" wrote:
In an earlier contribution to this discussion,
Martin Bonner *wrote:

On Mar 6, 8:13 pm, "Roger Mills" wrote:
In an earlier contribution to this discussion,

There's a strong chance that the brickwork under the window will
suffer from rising damp - and this may also spread sideways.

And why is that a problem? *It's unlikely (although not impossible)
that there would be enough rising damp 2 feet off the ground to rot
the window. *Of course, it would mean that anything stored in the
garage might be liable to damp damage.

Not only making the inside damp - with tools going rusty -

Most garages are pretty draughty places. I doubt it's any worse
without a dpc.

but also the damp
brickwork would potentially be susceptible to frost damage.

So what about the brickwork *below* the dpc?

MBQ

[Roger Mills]

In an earlier contribution to this discussion,
Man at B&Q wrote:

On Mar 7, 3:22 pm, "Roger Mills" wrote:
In an earlier contribution to this discussion,

Not only making the inside damp - with tools going rusty - but also the
damp
brickwork would potentially be susceptible to frost damage.

So what about the brickwork *below* the dpc?

MBQ

With any luck frost resistant bricks (semi engineering or somesuch) will
have been used below DPC level. [They have on *my* garage, anyway!] But
above DPC level it will likely be ordinary facing bricks.
--
Cheers,
Roger
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