[Greenbuilding] ***SPAM*** Re: Dry or DriCoreR+ for basement

[Lynelle A. Hamilton]

John, thanks!


On 2021-01-25 8:58 a.m., John Straube wrote:
> Hi Lynelle,
> I know Wasaga Beach well.
> The DryCore product idea is a good one, BUT it does not add much 
> insulation. Your standards are a bit higher I think than R-2.
> Hence, the approach shown in the cool example retrofit Norbert 
> provided a link is is more appropriate, IF you have an additional 1 or 
> 2” or headroom
> That approach would be low vapor permeance foam (such as EPS, R4/inch 
> XPS R5/inch or even polyiso R6/inch) all available at local supply 
> stores in Ontario. 1” of polyiso will be three times the insulating
> Then a vapor AND airtight layer on top. This is often easiest achieved 
> reliably by taping the joints in the foam.
> Then you can put a floating floor of T&G OSB direct on top (some use 
> glue in the grooves to joint the system together) leaving 1/2” or so 
> around the perimeter and penetrations to accommodate movement. Then 
> flooring.
> Or especially if on a budget and limited height, add rolled dimple 
> sheet (like System Platon or Delta Dry), tape the joints, and direct 
> apply click flooring over the thin underlay.
>
>
>> On Jan 24, 2021, at 19:56, Lynelle A. Hamilton 
>> <lynelle at lahamilton.com <mailto:lynelle at lahamilton.com>> wrote:
>>
>> Hello Listers
>>
>> I hope some of you are still here!
>>
>> I've bought a home in Wasaga Beach, Ontario. It's an Upper Canada 
>> Post and Beam with Board & Batten siding.  I know I will have to 
>> upgrade insulation, but have a question about the basement. It's a 
>> walkout and will be regularly used for living space. It is currently 
>> carpeted, but that will be recycled when I take possession. I want to 
>> insulate the concrete slab and have looked at the insultaing versions 
>> of DryCore and Amvic, under a hard surface (bamboo )
>>
>> I've never insulated an existing slab (always insulated under them 
>> when building). Anyone use either of these products or something 
>> better? Lower area is about 900sq feet. Walkout is open to the NW.
>>
>> Hope everyone is well.
>>
>> Thanks in advance,
>>
>> Lynelle
>>
>>
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