Insulating garage ceiling

Reply

  #1  
Old 08-25-08, 07:01 PM
Member
Thread Starter
Join Date: Dec 2004
Location: usa
Posts: 99
Insulating garage ceiling

While doing some work in the garage I discovered that the ceiling is not insulated and there is a finished room above. I've ripped out the drywall from the ceiling and I'm ready to insulate. The joists are doubled up, I'm guessing it was done to ensure a level floor above when the attic was converted to finished space. A few questions:

1) Since the joists are doubled the space between is 13", not 14 1/2". Should I stuff the batts in there, or do I need to trim 1 1/2" along the edge to make it fit properly? I plan on using R30.
2) Since the face paper needs to be on the warm side (up), I obiously can't staple the paper to the joists. How do I hold the insulation in place? Will it be snug enough to stay by itself?

Thx, Don
 
Sponsored Links
  #2  
Old 09-21-08, 04:47 PM
Member
Join Date: Nov 2001
Location: USA
Posts: 1,873
Yes it should be snug enough to hold the insulation and compressing it in this case should have no effect on the insulating value of the insulation.
 
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