[Greenbuilding] Fw: Roxul under concrete floor - was exterior wall sheating/insulation

[Christa Carpenter]

----- Original Message ----- 
From: "Christa Carpenter" <christa at nbnet.nb.ca>
To: "Ward Edwards" <ward at buildgreen.ca>
Sent: Monday, March 19, 2007 9:29 AM
Subject: Roxul under concrete floor - was exterior wall sheating/insulation


> Dear list,
>
> I am currently considering building a standard stick built home, but would 
> like to make a few energy efficiency improvements where I can.  My house 
> will be a 1 storey walkout facing just east of south (in NB Canada) so I 
> plan to put in lots of south facing high efficiency windows and insulate 
> the foundation.  I was wondering what you all would recommend using for 
> insulation.  Would Roxul be good for under the slab as well as the 
> vertical walls?  I like the sound of it.
>
> Christa
>
>
> ----- Original Message ----- 
> From: "Ward Edwards" <ward at buildgreen.ca>
> To: "Jefro" <jefro at jefro.net>
> Cc: <Greenbuilding at listserv.repp.org>
> Sent: Saturday, March 17, 2007 2:41 PM
> Subject: Re: [Greenbuilding] exterior wall sheating/insulation
>
>
>> In Canada Roxul  is available a most Home building centers (Home Depot, 
>> Rona, etc).  For the drainboard, our local Rona had it in stock, but Home 
>> Depot would have to order it in and required you to buy it by the skid.
>>
>> Roxul will not conduct electricity.  It is basically spun rock.
>>
>> Ward Edwards
>> ward at buildgreen.ca
>>
>> Jefro wrote:
>>> Side point - I contacted Roxul in the US a few months ago and was told 
>>> they do not supply any residential materials here.   Has anyone heard 
>>> differently?
>>>
>>> And a side question - does Roxul conduct electricity?  If so, have you 
>>> tied it into your grounding system to get rid of induced currents?
>>>
>>> Ward Edwards wrote:
>>>> We used Roxul for the walls and are quite happy with it.  The only 
>>>> thing to watch is that it is not as flexible as fibreglass and is more 
>>>> fragile.  We found the easiest way to cut it was with an old bread 
>>>> knife.
>>>>
>>>>
>>
>>
>>
>