Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Insulation

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

Reply
 
Thread Tools Search this Thread Display Modes
Old 04-09-2014, 10:58 AM   #1
Newbie
 
Join Date: Apr 2014
Posts: 3
Rewards Points: 0
Share |
Default

Best Spray Foam Brand (Open Cell)


Is there a best spray foam brand to use? I have done bunches of research and they all appear to have risks. We are building a new house and aren't sure which to go with. Sooooo confused!!! Have to make decision this week. Thanks in advance for any advice!

Demilec APX, Icynene, Certainteed, Other????

kim_tx is offline   Reply With Quote
Old 04-09-2014, 12:30 PM   #2
Exterior Construction
 
Windows on Wash's Avatar
 
Join Date: Aug 2011
Location: VA, MD, DC
Posts: 6,232
Rewards Points: 42
Default

Best Spray Foam Brand (Open Cell)


Don't use it.

There is nothing about SPF that you can't do with proper building technique and application.

Where is the home being built and what is the construction type?

Windows on Wash is offline   Reply With Quote
Old 04-09-2014, 12:36 PM   #3
Newbie
 
Join Date: Apr 2014
Posts: 3
Rewards Points: 0
Default

Best Spray Foam Brand (Open Cell)


My geothermal air unit was purchased and sized based on spray foam use. I live near Dallas. It's a post tension slab, single story, frame, 1/2 James hardie, 1/2 stone veneer, 2600 sf home. 6" exterior walls, ventless attic. Thanks!
kim_tx is offline   Reply With Quote
Old 04-09-2014, 01:57 PM   #4
Exterior Construction
 
Windows on Wash's Avatar
 
Join Date: Aug 2011
Location: VA, MD, DC
Posts: 6,232
Rewards Points: 42
Default

Best Spray Foam Brand (Open Cell)


The R-Value of OC SPF is the same as fiberglass batts and cellulose.

If you are not using the attic, why bother conditioning it?

Rigid foam on your exterior walls with a flash and batt approach will out perform SPF.
Windows on Wash is offline   Reply With Quote
Old 04-09-2014, 02:19 PM   #5
Newbie
 
Join Date: Apr 2014
Posts: 3
Rewards Points: 0
Default

Best Spray Foam Brand (Open Cell)


My understanding is it keeps ducts cool so air conditioner doesn't have to work as hard and is therefore more efficient on bills?
kim_tx is offline   Reply With Quote
Old 04-09-2014, 03:11 PM   #6
Exterior Construction
 
Windows on Wash's Avatar
 
Join Date: Aug 2011
Location: VA, MD, DC
Posts: 6,232
Rewards Points: 42
Default

Best Spray Foam Brand (Open Cell)


If you are not going to be using the attic for storage, don't waste the money on SPF on the roof.

Vent the attic, run a cooler shingle color, spend the upgrade money on a metal roof, etc.

If you are having GeoThermal done, put the air handler inside the conditioned space and keep it out of the attic. If you need to run the ducts in the attic, make sure they are rigid and well sealed.

Have them run tight to the attic floor and blow the insulation high enough to cover them or build a small wall around them to allow for plenty of insulation around them.

Have the top plates sealed as part of the insulation schedule.
Windows on Wash is offline   Reply With Quote
Old 04-11-2014, 04:18 PM   #7
Registered User
 
Join Date: Mar 2009
Posts: 9,968
Rewards Points: 0
Default

Best Spray Foam Brand (Open Cell)


http://www.google.com/url?sa=t&rct=j...,d.cGU&cad=rja

Gary
__________________
If any ads are present in my answer above, I do not condone/support/use the product or services listed, they are there against my permission.
Gary in WA is offline   Reply With Quote
Old 04-17-2014, 07:54 AM   #8
Member
 
Join Date: Jan 2008
Location: N.C.
Posts: 418
Rewards Points: 0
Default

Best Spray Foam Brand (Open Cell)


As a home owner, not in building industry, I agree that the HVAC system must be in the conditioned space. Don't go along with lazy builders or home designers. Spend the extra money to place the ducts and air handler in the conditioned envelope.

Someone isn't thinking when you insulate the attic to R-49 (or what ever your code call for) but place ducts and air handler in the attic and insulate the ducts to R-6 (8) and the air handler probably at R-2. Ever look at the thickness of the insulation in the air handler cabinet?

Earnie is offline   Reply With Quote
The Following User Says Thank You to Earnie For This Useful Post:
Windows on Wash (04-17-2014)
Reply

Tags
certainteed, demilec, icynene, sprayfoam


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
XPS Foam on uneven basement wall - Pt.2 (no spray foam) jefferyscott Building & Construction 12 02-06-2013 01:34 PM
using XPS and spray foam together in stud bay diybrad Building & Construction 5 08-06-2011 08:08 PM
Spray Foam Installation Problems Ron6519 Building & Construction 7 07-11-2011 01:50 PM
Closed Cell Spray Foam with Fiberglass? ddave23 Building & Construction 1 10-28-2009 01:54 PM




Top of Page | View New Posts

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