About us
Color Charts
What's New
How To Purchase
Shipping & Returns
Technical Information

"Moisture Protection & Firestop Specialists"

Business Hours:
7AM to 5PM (eastern) Mon-Fri

To open an account, please complete our

Credit Application 
  and return it to Midwest Sealant Supply.

3M Detector Loop Sealant now a stock item.
We are please to announce that

3M 5000 Bondo Detector Loop sealant
  is now available in 1 liter sausages (ply pack).

In time for fall applications, we have added an additional line of Backer Rod to our Inventory.  We are now stocking Nomaco's


Concrete Pavement joint sealant backup for use with hot-applied sealants

We are pleased to welcome GE Silicones to Midwest Sealant Supply as a supplier of  sealants for the construction marketplace. Click on Momentive for information on GE Sealants.

We now stock Wood's 8" Vacuum Cups

Featured Product:

3M has introduced FIP 1-Step, an expanding foam-in-Place intumescent Firestop that does not require the use of mineral wool.

Click the image to learn more.


We are now a distributor for SMK Battery powered sprayers for water based sealers. Please Call for information.

Looking for Safe-T- Guard?  Click on What's New.

A new fireproofing product for wood and fabrics is available.   To learn more, click on FireTect.

We are pleased to announce we now stock 3M Marine Adhesive Sealant 5200.
For technical information  please click on 5200

Heavy Duty, 8 " floor scrapers:  Heat treated investment cast heads, solid steel handles and cushioned grips create the ultimate hand scraper.

Flash News! 
We now stock Euco 700, Epoxy Floor Joint Sealant Tint Base. Color paks allow selection from our inventory of 75 colors.

Field Tintable Silicone Sealant

Eighty (80) colors in stock.
Low & Ultra-low modulus Silicones

Tremco Spectrem 4 textured silicone

 Pecora 890FTS smooth silicone.

Welcome to our website.  Midwest Sealant Supply, is a leading supplier of high performance sealants, firestop and coatings to the construction marketplace. See What's New.

Our website is designed to streamline your information search by providing easy access links to our leading manufacturers' and information sites.  Sealants constitute one of the smallest expenses on any project but carry one the greatest reponsibilities - keeping your building dry and safe.  Protect that investment by allowing Midwest Sealant Supply to assist with your selection of the correct sealant for each application.

We do our best to keep this site running properly.  If you find any links that do not get to where you want to go - Please let us know.  Thanks for your help.

FAQ's address your need for red colored products in firestop applications.  Click  firestop  to debunk your need to use Red.

* use our "Color Charts" link for direct acess to online color charts.

Make Midwest Sealant Supply your source for Horseshoe Shims.  We stock 1 1/2" X 3 1/2" shims in 1/16", 1/8" , 1/4", 3/8" & 1/2" thickness.  Made in the U.S.A.  Call for Prices.

We have increased our inventory and now stock several different finishes of Citadel "Panel 15" architectural panels.

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