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Metal Building, Home & Pole Barn

Buy Metal Building, home, and Pole Barn Insulation at Wholesale Rates

Insulation Overstock is your go-to for DIY metal building, home, and pole barn insulation projects. Its higher-conscious selling approach reveals the Wholesale Cost—before profit has been added. Instead of following industry protocol, it allows the general public to determine the profit amount rather than relying on commission-based salespeople. This unique selling method is a refreshing change from the traditional system, where the average consumer is at the mercy of corporate pricing control.

Shop Metal Building Insulation

Sale: WMP-VR-R (plus) and WMP-50 Metal Building Insulation

After using the Fiberglass Insulation Wholesale Calculator, click the Order Form button (below). While filling out an order form, indicate a fair profit amount for Insulation Overstock.

VR-R-Plus -Sale!
STANDARD STRENGTH

VR-R-Plus -Sale!

What makes this vinyl faced metal building insulation unique is its metalized polyester backing. This allows the facing to reflect radiant heat away from the structure. Preferred over VR due to its additional robust vapor retarder and tear resistance. It has a Class A-1 Fire Rating and is a Class 1 Vapor Barrier. Even with its reinforced tri-directional scrim strength, it is easy to cut, roll, and install.

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WMP-10 Rolls
ENHANCED STRENGTH

WMP-10 Rolls

Heavy Kraft Metal Building Insulation Facing. Excellent general purpose. However, it is not the ideal choice when insulation will be exposed to abuse. It has an impressive 0.2 Perm Rating, so it is a Class 1 Vapor Barrier. It also has a Class A-1 fire rating.

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WMP-30 Rolls
HEAVY DUTY STRENCH

WMP-30 Rolls

Heavy Kraft Metal Building facing for improved strength. Preferred over WMP-10 due to its enhanced puncture and tear resistance. It also has an impressive 0.2 Perm rating, with a Class 1 vapor barrier. Mullen Burst PSI is 70 lbs. Class A-1 firing rating. Class 1 Vapor Barrier.

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WMP-50 - SALE!
PREMIUM DUTY STRENGTH

WMP-50 - SALE!

The WMP-50 metal building insulation was created for high-abuse areas. Its tensile strength is an impressive 65 lbs. per inch. The Mullen Burst PSI is 120 lbs. The fire rating is Class A-1, and the Perm Rating is excellent at 0.2. Its metalized polyester back enables it to reflect radiant heat away from the structure. It also features a reinforced tri-directional scrim. Because the material is thicker, it is more challenging to cut, roll, and install.

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Fiberglass Insulation Accessories

Add desired accessories to the order form

Patch Tape
$35

Patch Tape

1/2" x 60' - Seal gaps, joints, and seams to ensure a continuous thermal barrier. One roll per 15,000 sq. ft. of coverage.

Double-Sided Tape
$35

Double-Sided Tape

3" x 150' - Holds insulation in place during construction. One roll per 2,000 sq. ft.

Banding
$195

Banding

Banding is often used when retrofitting insulation to prevent sagging and shifting. One roll of 500' banding per 1,000 sq. ft coverage

Banding Screws
$35

Banding Screws

Tek 3/4" screws are self-tapping. Washers not included. Used to secure banding straps. One bag of screws per roll of banding.

Fiberglass Roll Dimensions

Faced Dimensions: widths are 3', 4', 5', and 6', lengths are 16' - 100', and 2-3" tabs or 1-6" tabs.

Calculate the building Sq. Ft.

Why Buy From Us?

Price, Quality, and Service

Insulation Overstock operates under a non-dual selling philosophy—viewing itself and the customer as a single, unified entity. In this model, the customer is seen not as separate, but as an extension of FSO. This approach empowers customers to decide the added profit, rather than relying on traditional commission-based salespeople who may inflate margins for personal gain. Insulation Overstock is the brainchild of a 40-year industry veteran and spiritual practitioner committed to leveling the playing field between corporations and consumers with transparency. " Be the change you wish to see in the world." - Mahatma Ghandi

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Best Price Guarantee

Best Price Guarantee

Since we strategically ship out of 40 insulation plant locations and allow you to determine a fair profit amount, you can be assured of savings!

Quality

Quality

• The Fiberglass Insulation is certified by NIAMA, NIA, and ASTM • High R-Value Reflective Insulation is certified by ES-ICC. Over a million orders, totaling over 5 million square feet. The I-Beam Metal Building manufacturer's facility has IAS Accreditation. You can purchase metal buildings through our Factory Steel Overstock website.

Service

Service

Phone assistance Monday - Saturday. 40-year industry expert available to answer your questions. Honest, neutral, and objective insights and advice.

5-Star Credibility

Insulation Overstock, a newly established division of Factory Steel Overstock, launched in September 2024, has received 5-star credibility from testimonials. Since its founding in 2011, Factory Steel Overstock has earned a stellar reputation, holding an A+ rating with the Better Business Bureau and a glowing 5-star customer review score. Explore a few of Insulation Overstock's satisfied customers by clicking the small circles (below) or the "Additional Testimonial" button. Want to learn more about Factory Steel Overstock's history with the Better Business Bureau? Search "Factory Steel Overstock" under Denver, CO, on the BBB website.

Additional Testimonials

 “The Insulation was delivered without any issues. Great company to work with.” - VR-R Plus

“…John Barber is always helpful throughout the entire process from start to finish." -

“…Thanks, John for helping my dream come true!"

“Thanks again for guiding me through the process."- VR-R Plus

Michael FournierBelmond, IA (10/17/2024)
David Muniz
Mark M.
David GoingGreenfield, IN (1/22/2025)
Insulation Overstock BBB Seal

Insulation Overstock is a new division of Factory Steel Overstock. Click the BBB logo above for the Factory Steel Overstock Report.

FAQ's

Is fiberglass insulation safe to handle and install?

Yes. fiberglass insulation is relatively safe to install and handle if proper precautions are taken. Read more...

Can fiberglass insulation be used in all parts of a building?

Fiberglass insulation is one of the most versatile insulation types. It can be used in walls, attics, and floors, but it's not ideal for areas prone to moisture or direct water exposure. Read more...

Why is Fiberglass Insulation chosen over spray foam?

Fiberglass insulation is often chosen over spray foam because it is more cost-effective, easier to install, non-combustible, and offers good thermal performance. Read more...

How to install Fiberglass Batt insulation in a metal building?

The condense instructions are to install fiberglass insulation in a metal building by placing batts between studs, securing with insulation supports, and covering with a vapor barrier or facing. Here is are step by step instructions... Read more...

How to install Fiberglass Batt insulation in a pole barn?

The condense answer is to Install fiberglass insulation in a pole barn by placing batts between framing, securing with supports, and adding a vapor barrier if your didn't purchase faced insulation. Here are more more detail instructions Read more...