AstroShield II R-6 HVAC Reflective Duct Insulation

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Safe and energy-efficient R-6 HVAC Reflective Duct Insulation

AstroShield II consists of two layers of air-encapsulated polyethylene bubbles separated by a reflective surface, sandwiched between two outer reflective surfaces. When wrapped around the exterior of HVAC ducts, AstroShield II enhances thermal performance by reflecting as much as 95% of radiant heat.
  • Can yield a thermal resistance of R-6 around HVAC ducts installed with spacers*
  • Minimizes the risk of condensation
  • Resists growth of fungi, mold, and mildew
  • Greatly reduces operating noise transfer
  • Safe and easy to install, no special tools required
  • Non-toxic itch and fiber free
  • Improves interior comfort

  • Install Spacer

    1. Attach the adhesive side to the duct for a few inches, then back roll with adhesive side facing outward.
    2. Continue wrapping over the first to achieve maximum R-values.
    3. Install each spacer 24" to 36" apart. 2" strips of AstroShield II can be used for spacers to achieve desired R-values.
    4. Begin wrapping astroduct around the duct starting at the midway point of the right side of the duct. Proceed counter clockwise.
    5. Once at the starting point, extend astroduct to create a second layer along the top of the duct. Extend this second layer to the midway point of the left side of the duct.
    6. Tape all seams and butt-joints using a UL 181 reflective tape for the entire length of the duct until its surface is fully enclosed.
    Product Sizes
    DIS 12: 12"x1'-0"
    DIS 3: 3"x1'-0"

Between Joint Insulation

Product Size
ASTROSHIELD II 2x25: 2"x25'
ASTROSHIELD II 4x25: 4"x25'
ASTROSHIELD II 6x72: 6"x25'
ASTROSHIELD II 9x50: 9"x50'
ASTROSHIELD II 9x125: 9x125'
ASTROSHIELD II 12x25: 12"x25'

Reflective R-6 Duct Insulation

Product Size
ASTROSHIELD II HVACDUCT 12x50: 12"x50'
ASTROSHIELD II HVACDUCT 24x50: 24"x50'
ASTROSHIELD II HVACDUCT 36x50: 36"x50'
ASTROSHIELD II HVACDUCT 48x50: 48"x50'
ASTROSHIELD II HVACDUCT 48x100: 48"x100'
ASTROSHIELD II HVACDUCT 48x125: 48"x125'
ASTROSHIELD II HVACDUCT 60x100: 60"x100'
ASTROSHIELD II HVACDUCT 48x50 Outdoor: 48"x50'

 

Physical Property:

Test Method

Result
Nominal Thickness:   5/16"
Thermal Resistance: ASTM C335 R-6*
Reflectivity: ASTM C1371 95%
Emissivity: ASTM C1371 5%
Fire Rating: ASTM E84-08 1-A
Water Vapor Transmission: ASTM E96 <0.2 perms
Temp/Humidity/Resistance:: ASTM C1258 Pass
Bleeding and Delamination: ASTM C1224 None
Pilability/Cracking or Delamination:   No Cracking or Delamination

*When installed with 1/2" spaces

Duct Insulation with Spacers

  1. Position spacers along the corners of the duct. The additional airspace will increase resistance to heat loss or gain. Spacers are available from Innovative Energy.
  2. Begin wrapping astroduct around the duct starting at the midway point of the right side of the duct. Proceed counter clockwise.
  3. Once at the starting point, extend astroduct to create a second layer along the top of the duct. Extend this second layer to the midway point of the left side of the duct.
  4. Tape all seams and butt-joints using a metalized tape. Repeat the above steps for the entire length of the duct, until its surface is fully enclosed.

Installing 2"x100' Bubble Spacer Roll

  1. Attach the adhesive side to the duct for a few inches, then back roll with adhesive side facing outward.
  2. Make a second wrap over the first to achieve maximum R-values.
  3. Install each spacer 24" to 36" apart. 2" strips of AstroShield II can be used for spacers to achieve desired R-values.
  4. Begin wrapping astroduct around the duct starting at the midway point of the right side of the duct. Proceed counter clockwise.
  5. Once at the starting point, extend astroduct to create a second layer along the top of the duct. Extend this second layer to the midway point of the left side of the duct.
  6. Tape all seams and butt-joints using a UL 181 reflective tape for the entire length of the duct until its surface is fully enclosed.
View all of our product Test Data