[Greenbuilding] Waterproofing edge of Concrete slab with 6x6 PT lumber on top
Lynelle Hamilton
lynelle at lahamilton.com
Sun Oct 9 14:07:59 CDT 2016
Hi Sacie,
Home Depot here (Ontario, Canada) actually stocks it, so I'm in good
shape that way. Now, I just have to figure out with what I will
waterproof underneath. Talked to the folks at Roxul and they wouldn't
suggest anything.
Lynelle
On 2016-10-09 1:08 PM, Sacie Lambertson wrote:
> I too have been unable to find any Roxul product here in the midwest
> (Kansas) except their batts. Home Depot is supposed to be able to
> order Comfortboard but does not seem to be able to accomplish this.
> (Apparently it is their middle man, Primesource, that does not have
> its act together and is therefore doing a considerable disservice to
> Roxul). Too bad too, since it's a good product and I would love to
> use it. The person who responds to inquiries in Canada tries to be
> helpful but local distribution is useless.
>
> Sacie
>
> On Fri, Oct 7, 2016 at 4:53 PM, Jeff Martin <jeff at open2learn.ca
> <mailto:jeff at open2learn.ca>> wrote:
>
> Lynelle,
>
> I think the product that Norbert is suggesting is actually called
> Drain*board* and you may have some difficulty sourcing it. When I
> tried to get some last summer, I was told that I needed to order a
> whole truckload. Things may have changed since then, but an
> alternative is Roxul Comfortboard, which has very similar
> characteristics and is much more readily available in the retail
> market. If you choose, you can also extend the Comfortboard up the
> wall, in place of the EPS, since that's what it's primarily
> designed for.
>
> Depending on how important it is to you to keep the wall dry, you
> may also want to apply waterproofing to the wall and footing,
> behind the Comfortboard. I used a membrane from Resisto, but there
> are other good options available. Note that you will need to
> protect the exposed portion of the Comfortboard.
>
> I should also note that, while the Drain/Comfortboard has many
> desirable characteristics, it is much more expensive than EPS.
>
> Jeff
>
>
> On 10/7/2016 11:44 AM, Lynelle Hamilton wrote:
>>
>> Thanks, Norbert. I can pick up Drainclad and run it a bit above
>> the berm line.
>>
>> Lynelle
>>
>>
>> On 2016-10-07 10:55 AM, Norbert Senf wrote:
>>> I find foam anywhere where moisture+air may get at it to be
>>> scary. I've seen it become habitat for carpenter ants (and
>>> probably termites once they come North).
>>> Maybe replace the foam on the bermed portions with Roxul
>>> Drainclad? It's a semi-rigid mineral wool insulating board
>>> designed to direct water down to a drainage tile..............N
>>>
>>> On Fri, Oct 7, 2016 at 9:24 AM, Lynelle Hamilton
>>> <lynelle at lahamilton.com <mailto:lynelle at lahamilton.com>> wrote:
>>>
>>> Hi All,
>>>
>>> I can't find a good answer to this, so thought that I would
>>> post.
>>>
>>> My garage was moved to its current site. It has an 8" poured
>>> concrete floor, on top of which was placed 6x6 PT, onto
>>> which the garage structure is bolted. The edge of the
>>> concrete slab is exposed, as well as the PT -- all above grade.
>>>
>>> The property has a high water table. My septic, regardless
>>> of type, will require a raised bed that will cover this
>>> exposed area on 1 and possibly 2 walls. I need to ensure
>>> that I protect this wall from water. I will do all 4 walls
>>> with the same process as used for these two.
>>>
>>> Any ideas as to what is best? The above grade will have EPS
>>> 2" plus wood siding. Do I extend the EPS to this wall and
>>> waterproof on top? If so, how do I avoid seepage into the
>>> area between the EPS and the wall?
>>>
>>> I've looked at /B//ituthene,/ but have no idea if it is the
>>> best approach.
>>>
>>> Many thanks for your thoughts.
>>>
>>>
>>> Lynelle
>>>
>>>
>>>
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>>>
>>>
>>> --
>>> Norbert Senf
>>> Masonry Stove Builders
>>> 25 Brouse Road, RR 5
>>> Shawville Québec J0X 2Y0
>>> 819.647.5092 <tel:819.647.5092>
>>> www.heatkit.com <http://www.heatkit.com>
>>>
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