Johns manville s microlite vinyl duct wrap is a thermal insulation made from flame attenuated glass fibers.
Hvac duct wrap insulation r value 8.
In order to achieve the r 8 value the spacer strips must be used and placed every 2 on the ducting.
7 948 btu hour 0 66 ton the numbers are even higher for the additional heating load.
This provides an additional air chamber for the insulation.
It is used for external insulation of commercial and residential heating air conditioning and dual temperature ducts.
For round duct the circumference of the duct wrap is 3 14 x outside diameter of the duct thickness of the insulation.
Microlite vinyl delivers a high tensile strength core for improved handling and easy installation.
R 8 hvac duct wrap insulation reflective 2 sided foam core 4 x 25 100 sq ft 4 7 out of 5 stars 42 74 88 74.
They required an r 8 insulation for the duct work that ran throughout the.
3 9 1 5 permeance rating.
Duct outside measurement 0 5 quot.
The product provides an r 8 0 when installed with a 0 75 air gap between the duct and the insulation and r 6 0 when installed direct to the duct without a spacer.
I m looking at you mississippi and alabama r 6 and r 4 2 are common r values for ducts.
When combined with the spacer strips the finished thickness is 11 16 to 3 4 thick ecofoil r 8 hvac duct wrap insulation is meant to be used around any duct work in your home or building.
It is made with a phenolic binder and laminated onto a white vinyl facing.
Check out this video of a customer s state of the art facility under construction.
Owens corning softr duct wrap is a blanket of glass fiber insulation factory laminated to frk vapor retarder facing.
C403 2 9 duct and plenum insulation sealing 1 supply and return air ducts and plenums shall be insulated with a minimum of r 6 insulation where located in unconditioned spaces and where located outside the building with a minimum of r 8 insulation in climate zones 1 4 and a minimum of r 12 insulation in climate zones 5 8.
For example a 6 quot.
Product description the reflectix r 8 0 duct insulation is a nominal 1 thick and consists of an outer reflective surface two layers of big bubbles in the center and a.
88 ecofoil ef2220 48 125 polyethylene radiant barrier double bubble foil insulation 125 length x 4 width x 5 16 thick 5 out of 5 stars 3.
6 305 btu hour 0 53 ton r 4 2 duct insulation.
When insulating ducts understanding the meaning and impact of r values and insulation thicknesses is essential to getting the most efficient affordable outcome on your heating installation project the ratings provide a guide for homeowners that determines the effectiveness of the insulation making it easier to choose the right insulation for your home.
