Re: Dust Mites /HEAT TREATMENT

[Guest guest]

Regarding: Heat Treating House

I have old plaster house but all the plaster is wall papered. I assume

the wall paper also being old wouldn't fair well. Do you know if

wallpaper goes through this system okay? If not, I guess it can all

be scraped off and walls painted. Some of it is flocked so probably

holding dust mites anyway. Thanks, barb

>

> Bob:

>

> A great way to kill dust mites is to raise the temperature to 140F

and hold

[Guest guest]

Research shows that dust mites are controlled by maintaining <50%RH throughout the summer. This is very comfortable and also deals other biological growth.

http://www.respiratoryreviews.com/jul00/rr_jul00_allergenabate.html

Re: Dust Mites /HEAT TREATMENT

Regarding: Heat Treating House

I have old plaster house but all the plaster is wall papered. I assume the wall paper also being old wouldn't fair well. Do you know if wallpaper goes through this system okay? If not, I guess it can all be scraped off and walls painted. Some of it is flocked so probably holding dust mites anyway. Thanks, barb

>

> Bob:

> > A great way to kill dust mites is to raise the temperature to 140F and hold

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[Guest guest]

Barb:

I’ve heat treated a number of old, historic homes, but I can’t recall if they had wallpaper. My gut feeling is that the high temperature may affect the wallpaper’s adhesion to the plaster wall’s surface, and it my begin to peel. But I am not sure. A test room may be necessary before proceeding on a larger scale.

--

Geyer, PE, CIH, CSP

President

KERNTEC Industries, Inc.

Bakersfield, California

www.kerntecindustries.com

Regarding: Heat Treating House

I have old plaster house but all the plaster is wall papered. I assume

the wall paper also being old wouldn't fair well. Do you know if

wallpaper goes through this system okay? If not, I guess it can all

be scraped off and walls painted. Some of it is flocked so probably

holding dust mites anyway. Thanks, barb

>

> Bob:

>

> A great way to kill dust mites is to raise the temperature to 140F

and hold

[Guest guest]

Ken,

Here's a pleasant thought:

While it is true that dust mites in carpets can be controlled with

dehumidification, it is also true that there is no way to reduce the RH

under one's rump when sitting on a cushioned surface or lying in bed. The RH

goes to over 80%, regardless of the ambient humidity. Thus, mite activity

can be significant wherever couch potatoes lounge or folks sit in front of a

computer screen all day.

As soon as the " moisture source " gets up, the surface RH and temperature

drop and the mites congregate in clumps within the cushion to conserve body

moisture and await the arrival of next warm body.

ly, I only sit on leather in my office and at home (and on wood when I

visit). We also have some futons, but the mattresses are encased in

non-permeable mite covers. (The mites within a mattress must laugh when the

new, woven-cotton encasings are put on; these highly porous " covers " allow

all the body moisture to pass right into their home.)

C. May, M.A., CIAQP

May Indoor Air Investigations LLC

1522 Cambridge Street

Cambridge, MA 02139

www.mayindoorair.com

www.myhouseiskillingme.com

kngeh@... writes:

> Research shows that dust mites are controlled by maintaining <50%RH throughout

the summer. This is very comfortable and also deals other biological growth.

> http://www.respiratoryreviews.com/jul00/rr_jul00_allergenabate.html

>

>

> Re: Dust Mites /HEAT TREATMENT

>

>

> Regarding: Heat Treating House

> I have old plaster house but all the plaster is wall papered. I assume

> the wall paper also being old wouldn't fair well. Do you know if

> wallpaper goes through this system okay? If not, I guess it can all

> be scraped off and walls painted. Some of it is flocked so probably

> holding dust mites anyway. Thanks, barb

>

>

>

>

>>

>> Bob:

>>

>> A great way to kill dust mites is to raise the temperature to 140F

> and hold

>