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Insulspan vs. EPS

Last Post 28 Dec 2009 05:06 PM by wes. 4 Replies.

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jerkylips

Basic Member

Posts:359

28 Dec 2009 03:41 PM
I just found another sip supplier in my area. The first one used Insulspan. The second uses EPS. From what I can tell, they're very similar. Are there any significant differences between the two brands? If so, is one clearly better than the other?

pdk

New Member

Posts:45

28 Dec 2009 04:06 PM
Jerkylips Most sip panels laminated with osb are very similar. Our panels are termite treated in the osb and foam. Also our osb is treated for mold and mildew. Frame Guard. R-Control panels. Types of foam make a difference as well some r values per inch are greater than others so you can us a thinner panel and get the same r value.

Bob I

Veteran Member

Posts:1435

28 Dec 2009 04:15 PM
jerkylips: EPS is the type of foam - Expanded PolyStyrene - the white "beadboard" like you see in coffee cups. (R-4 per inch) There are also some panels made from XPS, or eXtruded PolyStyrene - like Styrofoam.(R-5 per inch) There are also polyisocyanurate panels, usually called polyiso. R-6.5 per inch. Most panels are EPS and typically they have a lower cost per R value than the other two.

Bob Irving<br>RH Irving Homebuilders<br>Certified Passive House Consultant

jerkylips

Basic Member

Posts:359

28 Dec 2009 04:19 PM
Posted By Bob I on 12/28/2009 4:15 PM jerkylips: EPS is the type of foam - Expanded PolyStyrene - the white "beadboard" like you see in coffee cups. (R-4 per inch) There are also some panels made from XPS, or eXtruded PolyStyrene - like Styrofoam.(R-5 per inch) There are also polyisocyanurate panels, usually called polyiso. R-6.5 per inch. Most panels are EPS and typically they have a lower cost per R value than the other two. Actually, EPS is the name of the company that manufactures the panels. The insulation they use is also EPS, like Insulspan. Confusing, I know, & I probably should have clarified. Hopefully this is "legal".. Their website is www.epsbuildings.com . It seems like a similar corporate structure to Insulspan, with local dealers who do the design, receive 'blanks' from the manufacturer, and do all of the cutting of panels.

wes

Advanced Member

Posts:810

28 Dec 2009 05:06 PM
I believe that, in the this case, EPS stands for Energy Panel Structures. They started out doing post frame agricultural buildings, using SIPS as a part of their engineered package. They have since branched out into all segments of the building market, ie: residential, etc.

Wes Shelby<br>Design Systems Group<br>Murray KY<br>[email protected]