Double sided aluminum foil insulation is a type of thermal insulation made of two layers of aluminum foil bonded together with a heat-resistant adhesive. The reflective surface of the foil reflects heat back into the space it is insulating, while the air trapped between the layers of foil helps to slow the transfer of heat.
Double sided aluminum foil insulation is a type of insulation material that consists of two layers of aluminum foil with a layer of insulation material sandwiched in between. It is commonly used in construction and building applications to provide thermal insulation and moisture barrier properties.
The two layers of aluminum foil act as reflective surfaces, reflecting radiant heat away from the insulated space. This helps to reduce heat transfer through radiation, keeping the interior space cooler in hot climates or warmer in cold climates. The aluminum foil also acts as a vapor barrier, preventing moisture from penetrating the insulation and causing damage to the building structure.
The insulation material between the aluminum foil layers can vary and may include materials such as foam, fiberglass, or bubble wrap. These materials provide additional thermal resistance and help to reduce heat conduction through the insulation.
Double sided aluminum foil insulation is commonly used in applications such as:
1. Attic insulation: It can be installed in the attic to prevent heat gain or loss, improving energy efficiency and reducing heating and cooling costs.
2. Wall insulation: It can be used in wall cavities to provide thermal insulation and moisture protection.
3. Roof insulation: It can be installed under the roof to reflect radiant heat and reduce the transfer of heat into the building.
4. HVAC duct insulation: It can be used to insulate HVAC ducts, preventing heat loss or gain during the distribution of conditioned air.
Double sided aluminum foil insulation is lightweight, easy to install, and offers good thermal performance. It is an effective solution for improving energy efficiency and creating a comfortable indoor environment.
|
Composition |
Description |
Value (English) |
Value (Metric) |
|
Foil |
Aluminum |
0.28 mil |
7 micron |
|
Reinforcing – MD |
Fiberglass |
2/inch |
8/100mm |
|
Reinforcing – MD |
Fiberglass |
3/inch |
12/100mm |
|
Adhesive |
Polyethylene |
|
|
|
Kraft |
Natural |
36.8Ibs/3000ft2 |
60gsm |
|
Adhesive |
Polyethylene |
|
|
|
Foil |
Aluminum |
0.28 mil |
7 micron |
|
Physical properties |
Test Method |
Value (English) |
Value (Metric) |
|
Basis weight |
Scale |
25.5lbs / 1000 ft2 |
125gsm |
|
Permeance (WVTR) |
ASTM E96, Procedure A |
0.02 perm |
1.15 ng/N.s |
|
Tensile Strength-MD |
ASTM D828 |
35.2 lbs / In |
155 N/25mm |
|
Tensile Strength-XD |
ASTM D828 |
19.3lbs / In |
85 N/25mm |
|
Burst Strength |
ASTM D774 |
52.2psi |
36 N/cm2 |
|
Low temperature Resistance |
ASTM D1790 4 hrs @ -40℉ (-40℃) |
Remains Flexible No Delamination |
Remains Flexible No Delamination |
|
High temperature Resistance |
ASTM D1790 4 hrs @ +240℉ (+116℃) |
Remains Flexible No Delamination |
Remains Flexible No Delamination |
|
Emissivity |
ASTM E408 |
0.03 |
0.03 |
|
Fire Rating |
BS476Pt6.7 |
Class 1 |
Class 1 |
Available Roll Width: 1.25m,1.35m
Remarks
1.The data above are typical values only, and should not be used for specifications purpose.
2.Tolerance: Weight and Thickness: ±10%；Width:±3mm; Length: Log Roll: ±0.3m, Jumbo Roll: ±0.5%.
3.Double sided aluminum foil insulation should be stored at room temperature, kept away from wet and heat source.
4.The users should take test and do trial-application on the above products before coming into application so as to witness and ensure suitability for their special purpose and technique.
