So why would you want to pay more money for foam as compared to conventional Fiberglass Batts? Well the list is ongoing as to why foam out performs fiberglass but we will give you some of the basics.

Air Penetration
Air having the ability to flow into a house is a huge loss in the overall R Value in your home. Properly foamed houses do not have this issue as the foam is airtight and will not allow the air to penetrate through the walls. Also just because you have a stucco house or house wrap or many other forms of exterior protection doesn't mean that air cannot flow through. It will come through the tiniest hole which can have severe consequences such as frozen plumbing lines, as well as electrical outlets forming frost and allowing air to flow through on the inside. Air will also durastically effect the overall comfort level in a house.

 

Efficiency
Within the first inch of foam you acheive a 65+% improved efficiency over conventional batts. Which in-turn you can see a large return in your utility bill as far as how long your heater/Air conditioner is running to keep your house at temperature.

 

Stuctural Integrity and Sound Control
With 2# (close cell)Spray Foam you can see an increase up to 800% vertical force resistance increase which is your homes resistance to tornados, hurricanes and other severe elements such as the Wyoming wind. As far as sound control goes most customers can't hear the wind, or vehicles going by your house. (Specific STC values can be found at the bottom of the page)

 

Specifications for Gaco Western 2# Foam

Property	Test Temp.	ASTM Test	Unit	Value
Nominal Density: Sprayed-in-Place	77°F (25°C)	D-1622-03	lbs/ft³	1.8 – 2.0
Initial R Value	40°F (4.4°C)	C-518	R at 1”	7.5
Aged R Value (See Note Below)	75°F (23.9°C) (See Note Below)	C-518	R at 1” R at 3.5”	6.2 21.1
Compressive Strength: Parallel to Rise	77°F (25°C)	D-1621-04a	psi	37.0
Tensile Strength	73°F (23°C)	C-1623	psi	95.0
Water Vapor Transmission	77°F (25°C)	E-96-05	perm-in	0.3
Dimensional Stability	158°F (70°C) 97% RH	D-2126-99	% Vol change	+4.0
Recommended Service Temperature Range			°F/°C	-40°F to 200°F (-40°C to 93°C)
Closed Cell Content	77°F (25°C)	D-2856C-94	%	90.8

SURFACE BURNING CHARACTERISTICS: ASTM E84-05 (Also known as ANSI 2.5, NFPA 255, UBC 8-1 (42-1) and UL 723)

System	Thickness	Flame Spread Index	Smoke Developed Index
WallFoam 183	4" (10.2 cm)	15	400

Specifications for Gaco Western 1/2# Foam

Property	Test Temp.	ASTM Test	Unit	Value
Density	77°F (25°C)	D-1622-98	lbs/ft³	0.45 – 0.55
Aged R Value (See Note Below)	75°F (23.9°C) (See Note below)	C-518	R at 1 Inch R at 4 Inches	4.21 15.64
Tensile Strength	77°F (25°C)	D-1623-78	psi	4.4
Closed Cell Content	77°F (25°C)	D-2856-94	%	< 0.6 %
Water Vapor Transmission	77°F (25°C)	E-96-95	perm-inches	13.0
Fungus Resistance		G21-96	0 – 4 Growth	0 (No Growth)
Dimensional Stability	158°F / 97% R.H.	D-2126-94	% Vol change	+2.7 %
Air Permeance: 3 Inches @ 1.56 psf 5 Inches @ 1.56 psf	77°F (25°C)	E-283	cf/m/sq.ft.	0.04 0.01

SURFACE BURNING CHARACTERISTICS: Class I when tested per ASTM E84-05 (Also known as ANSI 2.5, NFPA 255, UBC 8-1 (42-1) and UL 723)

System	Thickness	Flame Spread Classification	Smoke Developed Classification
GacoGreen 052	6" (15.2 cm)	25	250

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