Page 6 - Icynene v. Rigid Foam Ebook
P. 6
CMU Exterior Block Walls
CLOSED CELL SPRAY FOAM RIGID XPS FOAM BOARD
MASONRY WALLS MASONRY WALLS
MAJOR COMPONENTS: MAJOR COMPONENTS:
1/2” Gypsum 3” Closed-Cell Spray 1/2” Gypsum Polyethylene and
Wallboard Polyurethane Wallboard Rubberized Asphalt
Taped Insulation Taped
and Finished R-15 and Finished Sheet Barrier
VS Joint Tape
8” CMU
8” CMU Brick Veneer Brick Veneer 3” Extruded
Polystyrene
(XPS) Insulation R-15
1/2” Gypsum Wallboard, Taped and Finished $1.55 1/2” Gypsum Wallboard, Taped and Finished $1.55
$11.45 8” CMU $11.45
8” CMU $2.83 Polyethylene and Rubberized Asphalt Sheet Barrier $2.78
$16.10 3” Extruded Polystyrene (XPS) Insulation (R-15) $2.42
3” Closed-Cell Spray Polyurethane Insulation (R-15) Brick Veneer $16.10
Brick Veneer
(continued from page 6)
TOTAL PER SQUARE FOOT $31.93 TOTAL PER SQUARE FOOT $34.30
INSTALLED COST SOURCE: R.S. MEANS 2014 BUILDING CONSTRUCTION COST DATA
The information detailed above is intended to provide a general cost comparison of commercial air barrier assemblies designed with foam plastic insulation materials of the same
thickness. Figures do not include scaffolding costs, which can vary widely. R-Value performance will vary by product. Additionally, some rigid foam board products may offer
8. COLD TEMPERATURE APPLICATIONS in fire-rated assemblies (per ASTM E 119 and NFPA 285)installation techniques allowing for the elimination of some of these generic assembly components. Consult with manufacturers for specific details.
All of IcTEyCnHeNnICeA’sLm/ EeNdGiIuNmEERdIeNGnsSiUtyPPsOpRraTy- CfoAaLLm1.8p0r0o.7d5u8.c73t2s5can for Code compliant walls.
be applied in cold conditions and to cold substrate Other fire-rated assemblies and NFPA 285 compliant
materials in accordance with their installation guidelines. walls have been determined on a case by case basis
ProSeal Eco is particularly useful for cold weather work through our fire engineering consultant’s examination of
since it can be successfully applied to substrates as cold assembly construction details. Icynene medium density
as 5°F (-15°C). This capability makes it an industry leader spray foam’s fire performance characteristics are different
for winter time use as exterior continuous insulation. than extruded polystyrene foam boards in that they do
ProSeal has cold temperature capabilities similar to or not melt at high temperatures. Furthermore, although
better than other medium density spray foams with Icynene’s medium density spray foam products are
substrates allowed to be as cold as 22°F (-5.5°C) for an considered combustible according to the Code, they will
application. not sustain a fire once the fire-source is removed.
9. FIRE RESISTANCE A Smart Option
Both spray foam and rigid foam insulation board products Properly used and installed, all insulation will help reduce
are considered combustible and this installation is the use of energy for heating and cooling in buildings,
allowed in non-combustible assemblies provided that the which will help with sustainable and efficient building
assembly non-combustibility requirements in the Building performance. When comparing spray foam and board
Code are met. All of Icynene’s medium density spray (and insulation however, there are several notable differences.
low density) foam products have been evaluated for use
6+
THE EVOLUTION OF INSULATION ™