Browse Products by Technology

Browse Products by Market

Products

Brands

Formulations

Documents

Experts

McGill AirSeal specializes in providing solvent and water-based duct sealants for many types of ductwork, including sheet metal duct, flexible duct, and fiberglass ductboard. Our duct sealants provide reliable, airtight seals in commercial, industrial, and residential duct systems. Our duct liner adhesives provide fast grab and secure bonding of fiberglass duct liner to sheet metal ductwork while allowing positioning flexibility. Our duct liner adhesives are ideal for spray systems, extrusion systems, roller application, or brush application. We also offer sealants and adhesives for specialty applications. Through our nationwide network of distributors, we offer a high-quality and diversified product line at economical prices.

Privacy

Terms & Conditions

Terms of Sale

Cookie Policy

Uni-Mastic

United Duct Sealer

Uni-Extreme

Uni-Thane

Uni-Fast

Uni-Butyl

Uni-Fast™ (Non-Flammable) Duct Liner Adhesive is a non-flammable, economical, sprayable, and instantly tacky adhesive that provides a high-strength bond between metal and fiberglass duct liner. It can also be used for bonding with wood, concrete, paper, cardboard, and some plastics. LEED Compliant.

Uni-Fast™ (Non-Flammable) Duct Liner Adhesive

Uni-Mastic™ 181 Duct Sealer is specially formulated for sealing low-,medium-,and high-pressure duct systems. It is recommended for indoor and outdoor application. It provides excellent adhesion to galvanized metal and cures to a tough, durable film. This water based sealant is free of VOC’s and meets LEED V4 requirements. It is non-flammable wet and dry. UL Listed.

Uni-Mastic™ 181 Duct Sealer

Uni-Thane™ Polyurethane Sealant is a one-part, non-sag, permanently flexible, muti-purpose sealant and adhesive. It is paintable and has excellent adhesion to metals, wood, glass, and plastics. It is ideal for sealing indoor/outdoor joints with dynamic and thermal movement. LEED Compliant.

Uni-Thane™ Polyurethane Sealant

Uni-Extreme™ High Temperature Sealer is a one-part sealant that can withstand extreme temperatures of -320°F to +2400°F continuous (3100°F intermittent) while maintaining a sure seal. Excellent adhesion makes it resistant to most chemicals, solvents, and electricity. Ideal for forming gaskets and sealing clean metal, stacks, flues, exhaust systems, engines, turbines, fire bricks, mortar, and ceramic surfaces. LEED Compliant.

Uni-Extreme™ High Temperature Sealer

Uni-Fast™ Duct Liner Adhesive is an economical, solvent-based product that provides a high-strength bond between metal and fiberglass duct liner. Uni-Fast is sprayable and instantly tacky, making it ideal for shop and field application. Uni-Fast can be used for a variety of special applications including bonding to wood, concrete block, carpet, paper, cardboard, fabric, and some plastics.

Uni-Fast™ Duct Liner Adhesive

Uni-Butyl™ XT Butyl Gasket is a 100 percent solids cross-linked butyl gasket tape, designed for use on four-bolt flange connector systems. It is non-hardening, has excellent adhesion to metal surfaces, and has outstanding resistance to extreme temperatures.

Uni-Butyl™ XT Butyl Gasket

United Duct Sealer (Water Based) is specially formulated for sealing low, medium, and high-pressure duct systems. It is recommended for indoor and outdoor application. It provides excellent adhesion to galvanized metal and cures to a tough, durable film. This water based sealant is free of VOC’s and meets LEED V4 requirements. It is non-flammable wet and dry and is UL Listed.

United Duct Sealer™ Water Based

Mcgill Airseal

McGill AirSeal specializes in providing solvent and water-based duct sealants for many types of ductwork, including sheet metal duct, flexible duct, and fiberglass ductboard. Our duct sealants provide

Mcgill Airseal - Duct Sealant - Duct Liner Adhesive - Knowde

Website

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Regulatory & Compliance

Technical Details & Test Data

Safety & Health

Packaging & Availability

Storage & Handling

Innovation Hub

Uni-Butyl™ XT Butyl Gasket Safety Data Sheet

Uni-Butyl™ XT Butyl Gasket Safety Data Sheet - Mcgill Airseal

Uni-Butyl™ XT Butyl Gasket is a 100 percent solids cross-linked butyl gasket tape, designed for use on four-bolt flange connector systems. It is non-hardening, has excellent adhesion to metal surfaces

Uni-Butyl XT Butyl Gasket - Mcgill Airseal - Flanges - Metal

Product Type

Application Area

Compatible Substrates & Surfaces

Features

Job Title

Shipping Terms

Name

and the data associated with it — permanently.

This is a Premium Feature

Changes to filters have not been applied.

Discard changes?

{userCompanyName} notice

In order to join {userCompanyName} on Knowde, you must use your business email address.

Business already on Knowde

{userCompanyName} requires all users on {companyName} to register with their business email address to ensure confidentiality and security.

{userCompanyName} requires registering your business email address

There's only a little ways to go.

Creating an account is free and the only way to directly download documents, order samples, request quotes and use direct messaging.

Quit Sign Up?

Tell us about {userCompanyName}

from concierge@knowde.com

Click the link in the email, or enter the 6-digit code

Verification email sent

Since you’re using a personal email address, we require proof to verify the information you have provided.

Please verify your account

Please go back and enter in an email address that is directly associated with a business.

Knowde is built for businesses

Also, using a personal email for creating your {companyName} account may require additional verification of your company details.

We recommend signing up with a work email address to get faster responses, especially when requesting samples, documents, and more.

Please enter your business email address below.  We’ll send you a confirmation code to quickly verify.

Enter your business email

{companyName} uses Knowde for account management so you can manage all of your sample requests, RFQs, orders and more in one place.

Knowde is for businesses, you may have a hard time receiving responses to your requests if you use a personal email address.

to {email}

We sent an email to {email}

Please click the link to reset your password

Check your email

Create a new password

Password expired

Sign in to {companyName}

Enter a new secure password

Change your password

Enter the email address associated with your account

Reset your password

Enter your password for

Use your Knowde password to sign in:

Please provide additional information to help us verify your company.

Terms and Conditions

Compare multiple products at once and find the best fit for your project needs.

Why is this important?

Enter your password

Unlock your account

Knowde is the world’s biggest marketplace to search for ingredients, polymers, and chemistry. You can:

Welcome to Knowde

View All Products

Cart

Please fix the following before proceeding to payment

An order receipt has been emailed to {email}

Order

This feature is currently unavailable at this screen size.

Payment

Shipping

Checkout

KEEP IN MIND

You will lose any existing chat history by starting a new chat.

Start a new chat?

Compare Products

This document is restricted content.

If you believe you should have permission to this document, please request access.

Restricted Access

It only takes 60 seconds to create an account.

Available {documentType} documents for this product ({counter})

Describe Documents You’d Like to Request

Invalid job title

Try searching different page above. You'll find what you're looking for there.

Page not found - Store for chemicals, polymers and ingredients

Internal Server Error - Store for chemicals, polymers and ingredients

Unexpected error occurred. Please contact us.

Client Side Exception - Store for chemicals, polymers and ingredients

Show products with

Filters

Featured Products

Flavor & Taste Explorer

Flavor Families

Enter your inquiry here, include as much detail as you’re able. *

To submit an inquiry to {companyName}, please fill out the form below and click Submit. They will get back to you as soon as they’re able.

Home Page

Request samples, documents, and quotes directly from suppliers

{companyName} experts - Knowde

Knowde is the first marketplace for chemicals, polymers and ingredients. Our leading-edge digital capabilities connect thousands of suppliers and customers every day.

Chemicals Marketplace - ingredients & raw materials - Knowde

Learn how to take full advantage of the free to use tools that you have unlocked.

Explore the capabilities of the platform and get immediate assistance for your needs with one of our experts.

Schedule a Demo

You’ll meet with Kiana from our Knowde Marketplace Team

Explore the capabilities of the platform and get immediate assistance for your needs.

Learn how you can make the most of the free tools now available to you.

Explore the capabilities of the platform with our dedicated team.

Weekly Webinar

See which others might better fit your needs.

This is just one of {allProducts} products on Knowde.

BROWSE BY

Knowde for Suppliers

Most popular categories

Gain instant access to our marketplace of over 250,000 chemicals, ingredients and polymers from 8,000 suppliers. Browse, search, and filter to quickly compare products, find information, request documents, order samples, and get quotes directly from suppliers.

Search and filter over 250,000 chemicals, ingredients and polymers, access documents and download starter formulations. Interact with over 8,000 suppliers whose representatives are ready to help. Sign up for a free Knowde Marketplace account today.

Create a free account to gain instant access to our marketplace of over 250,000 products and their documents.

Get new products to market faster with a free Knowde Marketplace account

The fastest way to find the right raw materials for your products

Want to explore more products?

Popular {companyName} Products

Start Order

Get a Quote

{price} each for {name}

1 of {brandProductsCount} products in this brand

This will be used for any follow-up questions so we can best meet your needs

Please fill out the form below to help {companyName} prepare your quote

Your request has been sent to {companyName}

This information will help us get you the right materials.

All Categories

{numberOfResults, plural, one {Brand} other {Brands}}

{numberOfResults, plural, one {Product} other {Products}}

Search Tips

{charactersCounter}/{limitCharacters} Characters

Visit

Your account has been verified. You now have access to the full power of {companyName}

The quantity your business will require annually, if the sample product suits your project's needs.

Roll
Th	W	L
3/16 in	5/8 in	25 ft

Uni-Butyl™ XT Butyl Gasket

Knowde Enhanced TDS