STJH-HVAC-DUCT-WRAP-INSULATION-R42-38MM

HVAC Duct Wrap Insulation 38 mm R-4.2

Light fiberglass wrap for moderate indoor duct insulation needs.

Thin flexible blanket wraps small ducts and fittings readily.
Long roll length suits repeated branch insulation work.

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Product Introduction

A flexible 38 mm blanket conforms around metal ducts and fittings. The roll format allows lengths to be cut around changing perimeters, while an optional reinforced facing provides an exterior vapor-control surface for appropriate indoor use.

Key Features

Thin flexible blanket wraps small ducts and fittings readily.
Long roll length suits repeated branch insulation work.

Technical Parameters

Insulation Material	Fiberglass blanket
Nominal Thickness	38 mm
Density	12 kg/m³
Roll Width	1219 mm
Roll Length	30.48 m
Installed R-Value	R-4.2 at 25% compression
R-Value Reference Temperature	24 °C mean
Thermal Conductivity	0.042 W/(m·K) at 24 °C, uncompressed
Facing Options	FSK, PSK or unfaced
Customization	Available for the intended duct shape and operating environment.

Applications

Indoor return duct wrapping
Moderate-duty branch insulation

Solutions for Your Application

Rigid insulation is awkward around small offsets.

The flexible blanket follows the duct perimeter and fitting shape.

Installed compression changes the effective resistance.

The stated installed value identifies the compressed configuration rather than the loose blanket.

Available Options

Foil-scrim-kraft facing
Poly-scrim-kraft facing

Planning a HVAC Duct Wrap Insulation 38 mm R-4.2 specification?

Send us your dimensions, installation conditions, performance targets and required surface finish.

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