CertiFoam 15
Extruded Polystyrene Insulation

CertiFoam 15 is a rigid extruded foam insulation board suitable for most common residential, commercial, and roofing applications where high compressive resistance is not required.  CertiFoam 15's closed cell structure and extruded skins provide superior moisture resistance and excellent thermal performance.

Physical Properties

Board Sizes
Meets or Exceeds
ASTM C578-87a Type X		 ASTM
Test Method		 CertiFoam
15
Insulation Properties
Thermal Conductivity, k
(Btu/hr. sq. ft. F)
5-Year Aged (Design)
Values
@ 25° F mean
@ 40° F mean
@ 75° F mean
6-Month Aged Values
@ 75° F mean
 
C 177-76
or
C 518-76
 
 
 
 
 
 
 
 
 
 
 
0.178
0.185
0.200
 
0.192
Water Resistant Properties
Water absorption
(% by volume)
Water Vapor Permeance
(perm) Maximum
 
 
C-272-76
 
E 96-80
 
 
0.2
 
0.57
Mechanical Properties
Compressive Strength,
Minimum
(Specification) Value
(lb/sq. in.)
 
 
D 1621-73
 
 
 
 
 
 
15
Miscellaneous Properties
Maximum Recommended
Use Temperature (° F)
Linear Coefficient of
Thermal Expansion
(in./in. ° F)
 
 
 
 
 
D696
 
 
165
 
 
3.5x10-5
 
Thickness		  
Width		  
Length		  
Description
 
1"
 
48"
  
96"
 		  
Square Edge & Scored
 
 
1"
 
48"
  
108"
 		  
Square Edge & Scored
 
 
1 1/2"
 
48"
  
96"
 		  
Square Edge & Scored
 
 
2"
 
48"
  
96"
 		  
Square Edge & Scored
 

R-Values
Mean Temp. 1" 1 1/2" 2"
 
25° F
 		  
5.6
 		  
8.4
 		  
11.2
 
 
40° F
 		  
5.4
 		  
8.1
 		  
10.8
 
 
75° F
 		  
5.0
 		  
7.5
 		  
10.0
 

CertiFoam Product Guide

 

Home, Products, Contact Info, Locations, Company Info

Corporate Headquarters
Minneapolis/St. Paul
9091 County Road 50
Rockford, MN 55373
Phone: (763) 477-5854
Fax: (763) 477-5863

Regional Office
Chicago/Milwaukee/St. Louis
1101 Lori Lane
Mendota, IL 61342
Phone: (815) 539-3221
Fax: (815) 539-3433