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Special Note: This material is just as effective at reflecting heat when in between layers! It can be sewn between layers of the curtain so the metallic side doesn't show on the exterior of the window if desired.
Temptrol I vs Temptrol II
Temptrol I has a more fabric and perforated feel on the metalized side while Temptrol II has a thicker feeling metallic side. They both have the same felt-like backing and the same heat-reflecting properties. See the "I" on the left and "II" on the right below.
Heat-Reflecting Fabric Review
The original design of our versatile heat-reflecting fabric, offers a more 'cloth-like' texture compared to the metallic Temptrol II variant. Perfect for a range of uses, this fabric serves as an exceptional radiant barrier for clothing, tents, drapery, and more. Its ease of sewing and flexibility without cracking make it a preferred choice for various projects. Crafted from perforated material, it features a breathable fabric with a metallic finish on one side and a soft polypropylene, non-woven fabric on the other, providing ventilation and preventing moisture buildup.
Capable of reflecting up to 95% of heat, this fabric effectively regulates temperature, whether it's retaining warmth or keeping it out of a building, room, or clothing. Resilient against tearing and punctures, it maintains its integrity even with repeated flexing. Seamlessly sewn into custom covers, it adds radiant protection to drapes, tents, and numerous other applications.
Our lightweight and flexible fabric not only provides infrared protection and insulation but also shields against electromagnetic and radio frequency disruptions. Longer lengths are available on a convenient 59" roll that can be cut to larger, custom lengths to suit specific needs. Experience the versatility and reliability of our heat-reflecting fabric for your next project.
Benefits of Heat-Reflecting Fabric
- Temperature Comfort
- Breathable
- 90% heat reflective
- Lightweight and easy to handle
- Easy to sew with standard equipment
- Clean and Dry; Does not promote the growth of fungi or bacteria
- Shielding against electromagnetic and radio frequency interference
- Solar protection
- Flexes without cracking
- Infrared shielding
- Non-toxic and non-carcinogenic
Pictures of typical uses
How Radiant Barriers Work
The radiant insulated fabric has many uses and can be adapted to provide insulating qualities almost anywhere. See the following descriptions for some of the common uses and incredible properties of this fabric. Be sure to check out all of our insulation products here!
An Introduction to Radiant Barrier Foil Insulation
Understanding how a thin sheet of reflective material, reminiscent of kitchen foil, can significantly impact heat transfer might seem challenging at first glance. However, that's precisely the function of a radiant barrier. This post aims to simplify and elucidate the science behind radiant barrier foil insulation.
To grasp the mechanism of a radiant barrier, it's essential to comprehend the three primary modes of heat transfer: conduction, convection, and radiation.
Conduction involves the direct flow of heat through a solid object, such as a wall or ceiling.
Convection refers to heat movement through the air, occurring as warmed air expands, becoming less dense and rising.
Radiant heat involves the transfer of heat rays across air spaces from one warm object to another cooler object. An example of radiant heat is the warmth felt from a campfire, representing the most dominant form of heat transfer.
While various types of heat contribute to heat transfer in and out of your home, radiant heat constitutes the largest percentage of heat loss or gain, regardless of the climate or season, making it the predominant contributor.
Conventional insulation materials like fiberglass, cellulose, and foam primarily function to absorb and slow down conductive and convective heat. They absorb heat akin to how a sponge absorbs water. However, as insulation becomes saturated with heat, its efficiency diminishes. In contrast, radiant barrier foil insulation reflects 95% of radiant heat, effectively blocking it instead of absorbing it like other insulation materials.
The remarkable efficacy of radiant barrier foil insulation in blocking radiant heat stems from its exceptionally low emissivity rate. Emissivity denotes a material's ability to emit radiant energy. Common building materials like brick, stone, and wood exhibit high emissivity rates, absorbing substantial amounts of radiant energy and emitting a significant portion of this energy to the surrounding spaces. Radiant barrier foil insulation, with its low emissivity rate of 3% to 5%, absorbs and emits minimal energy, allowing radiant heat to pass through at a significantly slower rate compared to traditional materials.
Below is a table comparing the emissivity rates of common building materials to those of radiant barrier foil insulation.
| MATERIAL | EMISSIVITY |
| Wood | 95% |
| Glass | 94% |
| Brick (common red) | 93% |
| Concrete | 92% |
| Steel | 45% |
| Radiant Barrier (Aluminum) | 3-5% |
Also, radiant barrier insulation will never need to be replaced. It is made up of coated aluminum, so it will never break down due to UV or corrosion. Other insulations rely on their mass to remain effective, meaning that as they settle and flatten, they become much less efficient and need to be replaced. A radiant barrier doesn’t settle or flatten the way other insulation can and doesn’t rely on thickness or mass to work. Radiant barriers can provide a lifetime of energy-saving benefits.
The Benefits of Radiant Barriers
- Reduces your heating and cooling costs
- Easy and inexpensive to install
- Pays for itself
- Makes you money with continued savings
- Maintains comfortable temperature
- Conserves valuable energy
Key Benefits of Temptrol
- Enhanced comfort
- Breathability
- Puncture and tear resistance
- Reflectivity of 95%
- Lightweight and easy to handle
- Compatible with standard sewing equipment
- Does not foster the growth of fungi or bacteria
- Protection against electromagnetic and radio frequency interference
- Solar protection
- Effective thermal management
- Flexibility without cracking
- Infrared shielding
- Non-toxic and non-carcinogenic
Attic Insulation Video
Here is an old but great video explaining how radiant barrier insulation works in the home and a variety of other applications.
| PRODUCT: | Polypropylene-based non-woven perforated aluminum on one side |
| WEIGHT: | 17.3 lb M/sf (pounds per 1,000 sf) |
| NOMINAL THICKNESS: | 10.9 mils |
| TENSILE STRENGTH: | 47.0 lb/in width* |
| TEAR STRENGTH: | 6.0 lb/in width* |
| PUNCTURE RESISTANCE: | 17 lbs.** |
| MULLEN BURST STRENGTH: | 55.0 psi* |
| LOW-TEMPERATURE BEND: | 131° F PASS*** |
| WATER VAPOR PERMEABILITY: | 87.5g/m2/24hr**** |
| FLAMMABILITY: | Class B***** |
| THERMAL PROPERTIES: | Emissivity 0.05****** |
| (Reflects 95% of Infrared Energy) |
Residential Applications:
- Draped over rafters before roof decking is applied for new construction
- Stud wall cavities
- House wrap
- Cathedral / vaulted ceilings
- Crawlspaces / basements
- Garages / workshops / bonus rooms
- Wood or metal frame buildings / concrete block
- Single and multi-family units
Retro Fit Applications:
- Stapled to the bottom chord of rafters or placed on top of mass insulation for existing homes
- Basement / crawlspace / garage / workshops
- Playhouses / dog houses
- Water heaters
- Carpet pad
Shipping
- Protects temperature-sensitive cargo: (candy, cigarettes, fruit, vegetables, meat, ice cream, dairy, pharmaceuticals, coffee)
- Reefers / railroad cars
- Thermal bags
- Box liners
- Shipping containers
Food Service
- Freezer / coolers
- Ovens
- Delivery bags
- Packaged food wrap
- Transportation
- Commercial kitchens
Award-Winning New Product
Temptrol is an innovative, lightweight, and flexible material that has earned the prestigious AIMCAL* Technical Award in the Industrial Category for 2005. The judges observed that the innovative application moves to metalize into new markets and advances its usage. Be among the first to experience the versatility of this new material.
*AIMCAL, Association of Industrial Metallizers, Coaters, and Laminators, is an international nonprofit trade association headquartered in Fort Mill, South Carolina, USA. It represents converters of laminated, coated, or metalized flexible substrates and their suppliers.
Key Benefits of Temptrol
- Greater comfort
- Breathable
- Puncture and tear-resistant
- 95% reflectivity
- Lightweight and easy to handle
- Easy to sew with standard equipment
- Does not promote the growth of fungi or bacteria
- Shielding against electromagnetic and radio frequency interference
- Solar protection
- Thermal management
- Flexes without cracking
- Infrared shielding
- Non-toxic/non-carcinogenic
Suggested Foil Insulation Applications
- Jackets
- Caps
- Gloves
- Pants
- Parkas
- Boot liners
- Comforters
- Blankets
- Draperies
- Grocery Totes
- Pizza Bags
- Sleeping Bags
- Tents
- Tarps
- Awnings
- Canapies
- Solar Screens
- Grill Covers
- Wheel Covers
- Car and Boat Covers
- Snow Mobile Covers
- Athletic Field Covers
- Ground Covers
- Roofing Covers
- Temporary Shelter Covers
- Grain & Hay Bale Covers
- Firewood Covers
- Excavation Covers
- Nursery Covers
- Golf Green Covers
- Golf Cart Covers
- Machinery Covers
- Containment Tarps
SPECIFICATIONS:
Weight: 17.3 lb M/sf
Nominal thickness: 10.9 mils
Tensile strength: 47.0 lb/in width*
Tear strength: 6.0 lb/in width*
Puncture resistance: 17 lbs.**
Mullen burst strength: 55.0 psi*
Low temperature bend: 131 ° F PASS***
Water vapor permeability: 87.5g/m2/24hr****
Flammability: Class B*****
Thermal properties: Emissivity 0.08******
(Reflects 95% of Infrared Energy)
UNITED STATES TESTING COMPANY. INC.
* ASTM Test Method D751
** ASTM Test Method 4833
*** ASTM D2136
**** ASTM E96
***** ASTM E84-94
****** ASTM E408
How Radiant Barrier Insulation Helps Keep You Warm in Winter
Understanding heat transfer, poor insulation, and heat loss is crucial for homeowners seeking to save money on energy bills. Surprisingly, a significant amount of heat escapes homes through the attic. Fortunately, Radiant Barrier insulation offers an effective solution, resulting in energy and cost savings.
According to one of the laws of thermodynamics, heat naturally moves from warmer to cooler areas. For instance, when ice cubes are added to lemonade, the heat within the drink transfers to the ice because it's colder. This process, known as conduction, demonstrates one of the three methods of heat transfer:
- Conduction
- Convection
- Radiation
Conduction occurs as heat moves between molecules, such as in a heating element. Typically, materials that conduct heat well also conduct electricity efficiently.
Convection involves heat transfer facilitated by the movement of air. Warmer air rises due to its lighter weight, while cooler air descends.
Radiation, the method of heat transfer through space, is experienced when standing near a campfire or radiator.
In homes, warm air rises and accumulates in the attic. Inadequate insulation allows heat to escape outdoors, resulting in energy wastage. Radiant Barrier insulation, a reflective material, prevents this heat loss by reflecting heat back into the living space. This enhances the efficiency of furnaces across various makes and models.
Installed over existing insulation, Radiant Barrier is straightforward to set up, with homeowners often noticing immediate improvements. One homeowner in Texas reported, "My bill went from $400 to $200!"
Give your heating system a break with Radiant Barrier insulation. Experience its popularity and enjoy the extra savings to spend on other necessities.