White trim of house roof

Residential Insulating Glass

Enhance the quality and performance of IG units with silicone

DOWSIL™ brand insulating glass (IG) sealants, used in conjunction with a polyisobutylene (PIB) primary sealant, consistently outperform non-silicone sealants in areas critical to the long-term performance of IG units. Additional benefits of Dow solutions for residential IG units include: 

Excellent UV and weathering resistance
Exceptional unprimed adhesion to most substrates
Unmatched service temperature range
Superior long-term durability
Low shrinkage
Three employees looking at blueprints and schematics

High Performance Building Solutions Submittal Generator

Browse through products with ease and access the resources you want in three steps – search through products you use for the resources you need, add your chosen resources to an organized submittal pack, and download your pack. Available in North America. 

Sealants designed to meet application and performance challenges

Dow offers a range of insulating glass sealant options, including one-part and fast-curing two-part neutral-cure sealants for use as secondary seals in:

  • Dual and triple IG units
  • Gas-filled IG units
  • IG units that incorporate specialty glass types
  • Environments where high heat or humidity is encountered
  • Cold climate environments
  • Heat mirror applications
A large apartment building and a blue sky.

One-part IG Sealant

One-part products simplify the application process.

DOW20 Doppelhauptschule der Stadt Wein / 3362 insulating glass silicone sealant / glass / building / silicone sealant / school / Vienna, Austria / exterior / highrise / high rise / construction

Two-Part IG Sealants

Fast-curing two-part sealants increase productivity – shorter hold times enable you to build and ship more units in less time.

Beautiful living room with hardwood floors, fireplace, and large bank of windows with view of lush vegetation, in new luxury home

Window and Door Sealants

One-part products simplify the application process.

Building with calculator overlay

Silicone Construction Calculators and Estimators

Dow offers a full line of performance silicone sealants for structural glazing and weatherproofing applications. Determine the amount of sealants you may need for your project. Estimate the needs based on your own past experience with percent waste on the job. 

Speak to an expert

We are committed to connecting you with experts and resources to tackle any challenge.

Sign up for email updates

Get news on products, innovations, events and more delivered to your inbox.