Enertek - Homesulate Wall foam insulation
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Frequently Asked Questions


What is Homesulate™?

Homesulate™ foam insulation is a hybrid belonging to one of the oldest groups of synthetically produced thermosetting plastics. Today, the same base materials are well known their durability, structural integrity, and extraordinary fire resistance. They are used in electronics, automobiles, machine parts, fire-proof coatings, adhesives, tools, and thousands of other commercial and household items. When made into a foam insulation, they are one of the safest and most efficient thermal and acoustical insulation products available.

Is Homesulate™ Foam a Urea-Formaldehyde Product?

No.  Homesulate™ is a unique non-urea formaldehyde based proprietary product.

Where can Homesulate™ foam be used?

Practically any void that requires insulation can be filled with Homesulate.
It is ideal for use in:
• CMU block cores
• Interior & Exterior wood and steel stud wall systems
• Pre-cast concrete panels
• Pipe chases
• Filling property line voids between high-rise buildings
• Refrigeration units
• ...And More!
Homesulate™ is the best choice for new and existing residential home insulation

Does Homesulate™ foam emit any toxic gasses during installation or when subjected to high temperatures?

No.  When tested in accordance with the Federal Hazardous Substances Act, Homesulate™’s by-products of combustion are significantly less toxic than those produced by the burning of white pine... a common wood used extensively in residential home construction.  When tested for hazardous materials as listed in the EPA's Emergency Planning Community Right to Know Act under sections 311 & 312, test results show no toxic materials were detected, and combined aldehyde were again undetected at a level of 0.0007%.

Is Homesulate™ foam fire resistant?

Yes.  Most architects and engineers agree that it requires more than one specific type of test to determine the fire characteristics of an insulation product.  The ASTM E-84 tunnel test, although an excellent method for testing surface burning characteristics of a product, does not necessarily give an overall picture of how that product will act under different fire conditions.  Homesulate™ foam has been subjected to all applicable fire tests in redundancy in order to obtain the most accurate profile possible, and has performed in every case with astounding results.

Can Homesulate™ improve the fire ratings of a wall system?

Yes!  For over 34 years, Homesulate™’s proprietary foam insulation has engaged some of the most reputable independent laboratories in the country to test our product.  Using the ASTM E-119 procedure, fire tests were performed on many different standard and custom wall designs.  Two identical walls were constructed - one empty, the other filled with Homesulate™’s foam.  In every test, the Homesulate filled wall showed an increase of fire ratings from 50 to 150 percent!  Homesulate does not melt or vaporize like other foam insulation materials when subjected to the ASTM E-119 testing.  Because of it's unparalleled fire resistance, Homesulate has been approved by many state and local building and fire departments as the only foam-in-place insulation product to be used to increase fire ratings on existing non-compliant wall systems.

Is Homesulate™ corrosive?

No.  Unlike urea formaldehyde type foams that rely on strong mineral acids for setting and final curing, Homesulate is polymerized by using synthetic cross linking compounds, producing a self neutralizing, non-corrosive foam product.

Can Homesulate™ be used to insulate and reduce sound transmission in steel or wood stud drywall construction?

YesHomesulate™ is installed in over 15 million square feet of wood and steel stud drywall annually, providing customers with the safest, highest quality thermal and acoustical foam insulation available.

Can Homesulate™ be used to insulate CMU block wall systems?

YesHomesulate™ has been used for over 34 years as a core fill insulation in all types of CMU construction.

When can Homesulate™ be installed in new CMU walls?

Any time during or after construction has been completed!  By using the top-fill method or via the more common side fill pressure injection system, Homesulate™ will completely fill all empty cores and joints in new CMU walls.

Is Homesulate™ more efficient than other types of CMU wall insulation?

Independent reports and laboratory testing show that when installed in 6,8,10,and 12 inch CMU block with an aggregated density of 60 to 145 pounds per cubic foot, Homesulate™ has a superior 'R' value when compared to pour-in and insert type products.

How does Homesulate™ compare in cost to other types of CMU insulation?

Homesulate™ is generally less costly to install than loose-fill, foam inserts, rigid board, and is very competitive with urea formaldehyde type products.

Can Homesulate™ be used to reduce noise through walls and ceilings?

YesHomesulate™ has an STC rating of 53 in a standard wood frame 2 by 4 wall with a single layer of gypsum board on either side.

Does Homesulate™ contain any CFC's?

NoHomesulate™ does not contain or use any chlorofluorocarbons in the manufacturing or foaming process.

Does Homesulate™ foam expand after it is installed?

No.  Unlike polyurethane which expands anywhere from 20 to 100 times its original liquid volume, Homesulate™ is totally expanded once it leaves the installation equipment.  No further expansion occurs after it has been installed.

How does an installer know when a CMU or stud wall is full?

Sensitive temperature and pressure gauges are located in strategic locations throughout the Homesulate foam installation system.  As the cavity being filled reaches completion, a small amount of back pressure is produced.  Once this pressure reaches a predetermined point, as monitored through the gauges,  the installer stops the process and proceeds to the next access hole.  A backup method, known as 'fill time', is also used.  An experienced installer knows the time it takes to fill a specific size and shape cavity.  If the pressure reaches the completed level before the normal fill time has elapsed, a blockage may have occurred, and additional access holes are drilled above or below the blockage.

Will Homesulate™ drain out if a hole is knocked in a wall?

No.  Unlike pour-in products, Homesulate™ solidifies within 30 seconds after it has been installed and becomes an integral part of the wall system.

Can Homesulate™ be used to insulate the void between block and brick veneer?

YesHomesulate™ can be installed in 10 to 15 foot lifts as the application of veneer progresses.  The void should be kept as clear as possible from excess mortar and construction debris, and a 1" minimum void is required for the efficient flow of the Homesulate™ foam into all joints and corners.

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