Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Building & Construction

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 02-06-2007, 02:32 PM   #1
Member
 
Join Date: Apr 2006
Posts: 235
Share |
Default

Square Feet


I have a room I need to insultate. It is 40x30. How do I figure out how many square feet I need?

econdave is offline   Reply With Quote
Old 02-06-2007, 02:45 PM   #2
Member
 
Join Date: Mar 2006
Location: Austin, TX
Posts: 1,237
Default

Square Feet


Take the exterior walls, say that one 40' and one 30' wall are exterior. That is 70'. Multiply that by the wall height for the required SqFt of insulation.

Tscarborough is online now   Reply With Quote
Old 02-06-2007, 03:12 PM   #3
Member
 
concretemasonry's Avatar
 
Join Date: Oct 2006
Location: Minneapolis/St. Paul, Minnesota - Latitude 45.057 Longitude -93.074
Posts: 3,751
Default

Square Feet


For the ceiling you need 1200 square feet.

If did that without taking off my shoes and counting on my square feet - LOL!
concretemasonry is offline   Reply With Quote
Old 02-06-2007, 05:02 PM   #4
Member
 
Join Date: Apr 2006
Posts: 235
Default

Square Feet


if I take 40 +30 =70 x 10 feet high walls that would be 700 sq. wouldnt i need 1400 sq to cover the whole room?
econdave is offline   Reply With Quote
Old 02-06-2007, 05:39 PM   #5
Member
 
Join Date: Jan 2007
Posts: 221
Default

Square Feet


you got it... sqft area = length * height of each surface, just add 'em up.

1400 sqft for the walls
1200 sqft for the ceiling (if needed)
elementx440 is offline   Reply With Quote
Old 02-06-2007, 09:37 PM   #6
Member
 
Join Date: Mar 2006
Location: Austin, TX
Posts: 1,237
Default

Square Feet


You only need to insulate the exterior walls. If they are all exterior walls, you don't have a room, you have a house.
Tscarborough is online now   Reply With Quote
Old 02-07-2007, 11:45 AM   #7
Long-Time DIYer
 
Mike Swearingen's Avatar
 
Join Date: Mar 2005
Location: On Albemarle Sound In Northeastern NC
Posts: 1,460
Default

Square Feet


Square Feet = Height' (or Length') X Width' X Toes and all insulation vapor barrier goes toward heated space.
Mike

Mike Swearingen is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

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


Similar Threads
Thread Thread Starter Forum Replies Last Post
Addition "shell" cost per square foot - is this reasonable? ourzoo Building & Construction 21 12-20-2011 05:22 PM
lowering ceiling to 8 feet level mirico Carpentry 4 10-24-2009 08:24 AM
Purpose of square black washer on outlet cover screws? darsunt Electrical 3 07-20-2007 10:27 PM
Ridge vent question dpreznik Roofing/Siding 7 04-13-2007 03:03 PM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.