Fiberglass Insulation
Vinyl-faced fiberglass insulation | White Vinyl Face Insulation
Fiberglass Insulation Wholesale Calculator— below.
Stop Wasting Time Collecting Quotes from Random Retailers!
With Factory Steel Overstock (FSO), anyone, not just contractors, can access authentic wholesale pricing for certified (ASTM, NIA, NAIMA) fiberglass vinyl-faced insulation and I-beam metal buildings online. Instantly view the base cost and brokerage fees (profit margins). FSO is led by a 40-year industry veteran and dedicated spiritual practitioner who believes in empowering everyday buyers, especially those without traditional purchasing leverage. It’s no accident that 100% of FSO’s new business comes from referrals, repeat clients, and organic searches—a testament to the trust built and the results delivered.
🔧 Need to learn Your Building’s Square Footage?
How to Order Fiberglass Insulation Online
Fiberglass Insulation – Order to Delivery
1. Order Insulation Rolls
After calculating savings, click “Buy Now” and complete the Order Form. To begin your order, pay the brokerage fee to Factory Steel Overstock
2. Confirmation Email
You’ll receive a confirmation email within one business day, including your Order Number, supplier contact details, and easy-to-follow instructions to complete your payment to supplier.
3. Scheduled Delivery
Our shipping team will contact you to schedule a convenient delivery date. Expedited shipping arrives in 7–10 days, and standard delivery takes 11–21 days.
4. Sign for Delivered Rolls
When your insulation rolls arrive, simply take a moment to inventory the items, then sign to confirm delivery—ensuring everything is in order for a smooth installation process.
Metal Buildings – Order to Delivery Process
1. Order Building
After receiving a comprehensive proposal reflecting savings, pay the brokerage to FSO on the same day.
2. Confirmation Email
Receive an Order#, which includes easy-to-follow instructions for completing your payment and scheduled dates for plan completion and building delivery.
3. Receive Plans
You receive plans via mail, FedEx, or email in a PDF within 3 to 4 weeks. Standard building delivery is 8 -10 weeks.
4. Shipping Call
Our shipping team will reach out to you to confirm the scheduled delivery date. You will also receive an email reflecting balances owed.
4. Sign for Delivery
When your building arrives, unload the materials, inventory, and sign.
Selling the Old-Fashioned Way
The buying process for large-ticket items has become so riddled with distrust that many customers approach it with skepticism. Factory Steel Overstock is transforming the way consumers purchase fiberglass insulation and metal buildings by removing the common frustrations found in today’s industry. If you’ve ever had to deal with companies with no live support, hard-to-understand overseas representatives, hidden markups, or aggressive commission-based salespeople presenting questionable sales gimmicks, FSO’s approach will align with you!
Factory Steel Overstock offers direct access to wholesale pricing with complete transparency on profit margins. There are no inflated quotes, no guesswork, just honest, upfront pricing available to everyone.
With a network of 40 strategically located fiberglass lamination plants certified by NIA, NAIMA, and ASTM, along with 10 IAS-certified steel building manufacturing locations, Factory Steel Overstock delivers genuine value and nationwide reach.
Backed by an A+ rating from the Better Business Bureau and 100% 5-star customer reviews since 2013, Factory Steel Overstock sets the new standard for integrity and value in the insulation and metal building industry.
This isn’t just a better way to buy—it’s how it should have been all along.
Reinforced Vinyl Fiberglass Insulation
These five tear-resistant reinforced vinyl fiberglass insulation facings are popular for pole barns and metal buildings. To purchase online, just click the desired type, fill out an Order form, and pay the related brokerage fee.
VR-R (Plus)
Normal Strength
Our WMP-VR-R (Plus) reinforced vinyl fiberglass insulation delivers superior energy efficiency, durability, and thermal performance, with enhanced moisture and mold resistance compared to standard VR.”
WMP-10
Superior Strength
The WMP-10 reinforced vinyl fiberglass insulation provides better moisture resistance, improved thermal efficiency, and increased durability compared to VR-R Plus..
WMP-30
Industrial Strength
The WMP-30 reinforced vinyl fiberglass insulation offers superior moisture resistance, improved thermal performance, and greater durability compared to the WMP-10.
WMP-50
Premium Strength
The WMP-50 reinforced vinyl fiberglass insulation provides even greater moisture resistance, superior thermal performance, and enhanced durability compared to the WMP-30.
Black Facing
The Black-Faced reinforced vinyl fiberglass insulation provides an attractive appearance and is one of our popular choices. Available facing options: WMP-VR-R (plus), WMP-10, and WMP-50.
Tape and Banding for Vapor Barrier Fiberglass Insulation
To maintain the insulation’s thermal efficiency, order patch and/or double-side tape and/or banding and screw (white or black).
Two-Sided
$35
The purpose of the double-sided tape is to secure insulation during the construction process.
3″ x 150′. Recommended one roll per 2,000 square feet.
Patch Tape
$35
This tape is used to seal gaps, joints, and seams, ensuring a continuous thermal barrier.
1/2″ x 60′. Recommended one roll per 15,000
Banding
$195
Banding is used to prevent the insulation from sagging and shifting.
One roll of 500′ banding per 1,000 square foot of coverage.
Reinforced fiberglass Roll dimensions
Standard Length: 16′ – 100′.
Standard Width: 3′, 4′, 5′, and 6′
Custom cuts shorter than 16′ are an additional cost.
Cost-Plus Metal Buildings
Why rely on a commission-driven salesperson when you can calculate a great price yourself?
The general public can use the Metal Building Wholesale Calculator to determine a delivered price (below). Then, prepared buyers can receive a Cost-Plus quote guaranteed to be below market rates.
| Metal Building Wholesale Cost | Brokerage Fee / Profit Amount |
| $0 – $50,000 | $2,000 |
| $50,001 – $100,000 | $3,000 |
- Locate your REGIONAL area
- Then use the Metal Building Calculator
Building Models
Economy, Standard, Deluxe, and Executive.
Economy
1:12 Pitch
30-year Galvalume plus roof finish..1-Fully Flashed F/O. 40-year color wall and trim finish, 1-3′ x 7′ Insulated Commercial Walk Door
Standard
4:12 Pitch
40-year Color roof, wall, and sculptured trim finish. 1-Fully Flashed F/O. 1-3′ x 7′ Insulated Commercial Walk Door.
Deluxe
3:12 Pitch
2′ Purlins & Canopy Extensions with soffits. Gutters & Downs, 1-Fully Flashed F/O. 1-3′ x 7′ Insulated Commercial Walk Door. 40-year color roof, wall, and sculptured trim.
Executive
3:12 Pitch
2‘ Purlin and Canopy Extension with soffits. 4’ Wainscot with transition trim. Gutters & Downs, 1-Fully Flashed F/O. 40-year color roof, wall, and sculptured trim finish. 1-3′ x 7′ Insulated Commercial Walk Door.
Metal Building Accessories
Some Metal building outlets sell the barebones building first, then mark up accessories considerably after the initial sale. This is immoral! With FSO, you see the accessory wholesale costs upfront! More accessory prices will be posted shortly.
Frame Opening
F/O are available for walk doors, windows, and roll up or overhead doors. They are available with standard trim or beautifully fully flashed
Requirements for a Cost-Plus Quote
✅ Review one or more market quotes.
✅ Fill out the Quote-Order form with “ideally” the features included in the competitor’s quote so that an apples-for-apples comparison can be made.
✅ FSO will provide the actual wholesale rate, confirming the savings. Then, pay the brokerage fee that same day.
✅ Pay the building deposit to the certified IAS manufacturer within 7 days of the order.
First-Time Customer Policy:
To receive a comprehensive cost-plus quote, first-time customers are required to pay a fully refundable deposit of $50 to verify their intention. Please note that if FSO’s quote does not offer net savings with equal or superior specifications compared to current market options, the deposit will be refunded immediately. This step enables FSO to reduce operational costs by directing its quotes exclusively towards prepared buyers.
Questions, call 1-888-512-1116.
Returning Customer Benefits:
Customers making a second purchase are exempt from the deposit requirement and enjoy a 20% discount on brokerage fees.
A Selling Practice of Some Metal Building Companies
We don’t typically comment on the practices of other steel building suppliers. However, a recent experience shared by one of our insulation customers is essential enough that we feel compelled to pass it along. If there were only one article you read before buying a building, this should be it!
The customer had already purchased a steel building from a well-known seller and came to us afterward for insulation. Naturally, we asked why he hadn’t purchased insulation—and other necessary components—from the original supplier. His response was eye-opening.
He said the seller’s initial offer included only the bare-bones building—no framed openings, walk doors, windows, or essential accessories such as closures. He was told these items would be more affordable if he waited for a project coordinator to follow up after the purchase.
When the coordinator did reach out, he presented a list of add-ons—many of which are critical for any steel structure—at prices that were, frankly, outrageous. In fact, the cost of these “extras” exceeded the original price of the building.
The customer found himself in a difficult position. Having already paid a deposit and lacking the experience to source these critical components on his own, he felt pressured to move forward and pay the seller’s inflated prices.
Fortunately, after reviewing the proposal with us, he discovered that even after forfeiting his deposit, he could still purchase the necessary materials through us and come out ahead, with a net savings overall.
Reflective “Barrier” Insulation
“I have been a part of two orders and now working on my third…” Dave Muniz
Factory Steel Overstock offers the industry’s best reflective insulation. It is a RADIANT, VAPOR, and AIR BARRIER, far superior to Bubble Insulation! It is an excellent product to supplement your fiberglass insulation.
R-Value 22
4′ X 85.3′ (341 sq. ft.)
Boost insulation with twice the thickness of R-17 and a higher R-value. Enjoy superior strength, tear resistance, and easy installation using a hot gun—no tape needed. Features reflective reinforced foil, closed-cell polyethylene foam, and an extra reflective foil layer.
R-Value 17
4′ x 175′ (700′ sq. ft.)
With a 5 mm (0.2″) thickness, this barrier provides radiant, vapor, and air protection in one. It blocks 97% of radiant heat transfer and is resistant to humidity and condensation. Each 175′ roll includes adhesive for seamless installation—no tape required.
R-Value 15
4′ x 175′ (700′ sq. ft.)
This 5 mm (0.2″) barrier offers a frame spread of 0 and blocks 97% of radiant heat transfer. Combining radiant, vapor, and air protection in one, it features a durable multi-layer design with reflective reinforced foil, closed-cell polyethylene foam, and a UV-resistant black facing.
R-Value 15.3
4′ x 175′ (700′ sq. ft.).
At 5 mm (0.2″) thick with a frame spread of 0, this all-in-one solution blocks 97% of radiant heat transfer while serving as a radiant, vapor, and air barrier. Its durable layers include reflective reinforced foil, closed-cell polyethylene foam, and a UV-resistant white facing for enhanced performance.
“I have been a part of two orders and am now working on my third order from Factory Steel Overstock. John Barber is always helpful throughout the entire process from start to finish.”
David Muniz
30′ x 50′ x 16′ w/ R-22 Reflective Insulation
“We love our steel building. We erected it ourselves.
Thank you Factory Steel Overstock.”
Gerald Johnston
50’x60’x16′
“I got a good deal on the building, and good service.”
G. Benz
50′ x 75′ x 16′
“We love our building! Mr Barber was really easy to work with. Our building was delivered as scheduled. Everything was there with good instructions. Would buy from this company again.”
L. Hadcock
40′ x 60′ x 14′
“Well, 14 months in the making and a lot of sweat and work but it’s done. FSO was overall great to work with even though there were some hiccups along the way, I continue to refer other friends and people to what I feel is still the best deal on manufactured buildings! Thanks, John for helping the dream come true!”
Mark M.
40′ x 60′ x 14′
“Thank you for everything!”
Lauren F.
40′ x 40′
“Easy process. Do your homework, know what you want when you call and you will save $$. I saved hundreds over other prices I got.”
Brad Lezzi
1/10/2024 (Fiberglass Insulation Order)
“I would recommend this company. They do things the right way.”
Carlos Frank Rodriguez
1/11/2024
3″ Fiberglass Insulation
CLICK to read more Testimonials
Helpful Videos
Podcast on Buying I-Beam Steel Buildings the Smart Way!
“One supplier even asked us to remove our insulation pricing from our site. That tells you everything you need to know.
We didn’t flinch—and we won’t. Our loyalty starts and ends with the public!” – John Barber
Factory Steel Overstock was founded by a 40-year veteran of steel building and insulation who witnessed the industry’s pervasive unfair selling dynamics firsthand. Recognizing that the average consumer lacked the specialized knowledge or buying leverage, he changed the game, creating a business model rooted in transparency, fairness, and customer empowerment.
In an industry full of hidden fees, vague quotes, and confusing markups, he chose a different path—one guided by values. His company transparently lists prices! While many companies conceal their pricing until they’ve got you on the phone, his company believes in being upfront from the start—which builds trust.
Because of his unwavering commitment to fair pricing, Factory Steel Overstock’s growth has been fueled entirely by repeat customers, referrals, and organic search traffic—without spending a single dollar on advertising. Since 2013, the company has maintained an A+ rating with the Better Business Bureau and consistently earned 5-star reviews. This track record demonstrates that Factory Steel Overstock isn’t just offering a better way to buy insulation—it’s setting the standard for how the industry should operate.
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