Home insulation

Reply

  #1  
Old 01-29-10, 05:07 AM
Member
Thread Starter
Join Date: Jan 2010
Location: Wyoming
Posts: 1
Home insulation

I have a home with extrerior walls that are concrete block with a brick exterior, and interior plaster applied directly to the inside of the concrete block.

My only option for adding is in the attic. I want to reduce my heating costs. R-49 is recommended in attics for my area.

Should I go beyond that, or is it a waste of money?
 
Sponsored Links
  #2  
Old 01-29-10, 05:41 AM
Member
Join Date: Oct 2008
Location: New England
Posts: 9,997
The savings decrease significantly as you get up there in R-value.
http://www.anchorinsulation.com/pdfs...insulation.pdf

If there is no gap at all between the plaster and the brick, then the only other inside choice is to add a layer of rigid and a new layer of sheetrock. Or other inside wall approach. The rigid is the thinnest way to improve the wall.

In some cases where home owners do not want to undertake a major reconstruction project, I have suggested they create picture framing type applique of rigid insulation, foam or rigid fiberglass. The rigid fiberglass (called duct board) doesn't require a fire rated covering. Every sq. ft. you cover reduces the heat loss, so it doesn't have to cover the entire wall and electrical, baseboard, and trim can remain in place.

Brick buildings are tough, but heat loss is worse.

If there is a gap where a pour in insulation can be used, there are products that apply.

And welcome to the forum,
Bud

PS your current walls, allowing for some thermal mass, are probably about R=4, they need some help.
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes