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Building Insulation

Thin insulation blanket rolled up

This Flexible, Thin-Profile Material Delivers Significantly Improved Thermal Resistance in Space-Limited Areas

Pack More Energy Efficiency into Tight Spaces with Thin, High-Performance Insulation

Increase thermal performance and address thermal bridging problems with an insulation material designed especially for use in space-limited and hard-to-insulate places.

DOWSIL™ Building Insulation Blanket is a new, thin, flexible insulation material that uses advanced silicon-based aerogel technology to deliver significantly improved thermal resistance vs. conventional insulation products.

Achieve Superior Thermal Performance

R 9.6 (hr*ft2*F)/(BTU*in); U-value = 0.58 W/m2K per 25 mm thickness

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1Thermal conductivity varies by specific grade of insulation for any given material family. Values shown represent typical values and are only provided for general comparison of families.

In thermal modeling evaluations, the reduction in heat loss achieved with the DOWSIL HPI-1000 Building Insulation Blanket ranged from 25-73%.

Get High-Performance Solutions for Challenging Floor and Wall Insulation Applications

Thin insulation solutions from Dow are based on the company’s proven record in the construction industry and 70 years of success innovating silicon-based materials.

DOWSIL HPI-1000 Building Insulation Blanket benefits:

  • Thin profile is ideal for insulating tough connection points in building envelopes, such as where glazing systems meet cavity walls, where below-grade systems meet above-grade systems, and where parapets meet roofs 
  • Thin profile for retrofitting existing designs to meet new performance requirements 
  • Fire resistant 
  • Hydrophobic 
  • Compression resistance 
  • Easy to install in difficult profiles such as curves and corners 
  • Easy to cut, bend, shape and glue in shop or onsite

DOWSIL™ HPI-1000 Building Insulation Blanket
Explore the features and benefits.

Thermal Modeling: An Evaluation of Thermal Performance
See heat loss data with and without DOWSIL Building Insulation Blanket.

Energy Efficient Insulation
Learn about energy efficient options from Dow Consumer Solutions.