Underlayments
We at Metal Formers, Inc. provide top-of-the-line Synthetic Roofing Underlayments by VB Synthetics. A leading distributor of synthetic underlayment solutions, VB Synthetics is dedicated to excellence and committed to innovation in the building envelope industry.
VB Synthetics’ passion for all aspects of the building envelope ensures that their products are designed to meet the highest standards of durability and performance, providing comprehensive roofing solutions that prioritize quality and innovation. They are engineered to withstand harsh weather conditions, are lighter in weight, and offer easier installation, making them an ideal modern alternative to traditional felt.
TYPES OF ROOFING UNDERLAYMENT
VB Synthetics Roof Underlayment™ – Armor
VB Defender 6.5 mil Synthetic Felt
VB Extreme SA™ for Hi-Temp, Ice, & Water
VB Shield 7 mil Synthetic Felt
UNDERLAYMENT SPECS
VB Synthetics Roof Underlayment™ – Armor is a durable, non-warping underlayment made for tough roofing jobs. It’s designed for steep slopes and has a special anti-slip coating for safety. It’s easy to install without wrinkles, thanks to the printed fastening pattern. Made from 100% inorganic materials, it resists biological growth and can be left exposed to sunlight for up to 180 days. Lightweight yet strong, it’s the preferred choice for saving time and money on roofing projects.
When it comes to sloped roof applications, VB Synthetics Roof Underlayment™ – Armor stands out as a preferred choice over traditional felt paper. This synthetic underlayment not only offers superior durability and ease of installation but also excels in performance on steep slopes where felt paper might fall short.
Key Benefits:
- Non-Warping: Maintains its shape under tough conditions.
- Anti-Slip Coating: Ensures safety during installation.
- Easy Installation: Printed fastening pattern prevents wrinkles.
- Inorganic Materials: Resists biological growth.
- UV Resistant: Can be exposed to sunlight for up to 180 days.
- Lightweight Yet Strong: Saves time and money on roofing projects.
By choosing VB Synthetics Roof Underlayment™ – Armor, you are opting for a product that delivers exceptional performance and reliability, making it a standout choice for modern roofing needs.
| Width | 4ft | N/A |
|---|---|---|
| Length | 250ft | N/A |
| Area Per Roll | 1,000 sq ft | N/A |
| Total Fabric Weight (GSM) | 155.5 | +/-5 |
| CD Grab Strength | 170lbs | ASTM D751 |
| MD Grab Strength | 165lbs | ASTM D751 |
| Elongation | 19-18 | ASTM D751 |
| Sandwich Coating (GSM) | 20 | ASTM D751 |
| Anti-Slip Coating (GSM) | 24 | ASTM D751 |
| Scrim (Weave Count) | 9×7 | N/A |
| Coefficient of Friction | 0.46 | ASTM D1894 |
Packaging
- 11 mil
- 32lb Roll Weight
- 42 Rolls Per Pallet
- 1,456 Weight Per Pallet
Compliance
- ASTM D266 TYPE II
- ICC-ES AX207
- CSA A123.3
- TDI APPROVED
- Florida Building Code – FL20155
- ASTM E108 CLASS A
- UL 790 CLASS A
- Miami Dade Approved
VB Synthetics Roof Underlayment™ – Defender is a four-layer, rugged roofing material crafted for steep slopes. Made from 100% inorganic materials, Defender underlayment boasts superior grip with two surface anti-slip coating, stays flat during installation using either caped roofing nails or caped staples, and is resistant to biological growth with the ability to endure sunlight exposure for up to 180 days. This lightweight yet durable underlayment is a cost-effective and time-efficient solution for roofing projects.
Key Features:
- Mechanical Attachment: The underlayment is securely fastened with nails or staples, ensuring it stays in place even in high winds.
- Coated Surface: A specialized coating on the woven material enhances water resistance, protecting your roof from potential leaks.
- Woven Synthetic Material: This construction offers superior strength and flexibility, allowing the underlayment to conform to the roof’s shape while resisting stretching and damage.
Benefits:
- Durability: Synthetic roofing underlayments like this are less likely to rip and more capable of withstanding harsh weather conditions.
- Safety: The non-slip surface protects workers during installation by providing better traction.
- Water Resistance: The coated surface effectively sheds water, protecting your home until the final roofing material is installed.
| Width | 4ft | N/A |
|---|---|---|
| Length | 250ft | N/A |
| Area Per Roll | 1,000 sq ft | N/A |
| Total Fabric Weight (GSM) | 100 | +/-5 |
| CD Grab Strength | 90lbs | ASTM D751 |
| MD Grab Strength | 100lbs | ASTM D751 |
| Elongation | 19-18 | ASTM D751 |
| Sandwich Coating (GSM) | 16 | ASTM D751 |
| Anti-Slip Coating (GSM) | 17 | ASTM D751 |
| Scrim (Weave Count) | 9×7 | N/A |
| Coefficient of Friction | 0.3 | ASTM D1894 |
Packaging
- 6.5 mil
- 21lb Roll Weight
- 56 Rolls Per Pallet
- 1,288 Weight Per Pallet
Compliance
- ASTM D266 TYPE II
- ICC-ES AC207
- CSA A123.3
- TDI APPROVED
- Florida Building Code – FL20155
- ASTM E108 CLASS A
- UL 790 CLASS A
- Miami Dade Approved
VB Extreme SA™ is a specialized Peel & Stick material for sloped roofs. It uses advanced SBS Modified Bitumen adhesive that works well in extreme temperatures (-20˚F to 260˚F). It sticks to metal and plywood surfaces securely. The split release liner with silicone coating makes installation easier. Plus, it features Suregrip Technology for safe walking on sloped roofs.
This product is also specifically crafted to serve as a secondary water barrier in the construction of sloped roof systems. It is designed to provide enhanced durability, making it suitable for scenarios demanding extended exposure periods. Whether you’re dealing with harsh weather conditions or simply looking for long-lasting protection, VB Extreme SA™ ensures your roof stays dry and secure.
Key Features:
- Self-Adhesive Underface: Simplifies the installation process with a silicone split-back release film, ensuring a hassle-free application.
- Durability: Capable of withstanding up to 260°F, making it suitable for various high-temperature applications.
- UV Protection: Offers substantial UV resistance for up to 180 days, providing reliable performance even under prolonged sunlight exposure.
Optimize your roofing projects by selecting a membrane that combines ease of use, durability, and excellent UV protection.
| Test Properties | Test Standard | Typical Values |
|---|---|---|
| Unrollability | ASTM D 1970 | NO CRACKING, TEARING OR DAMAGE |
| Thickness Mills | ASTM D 5147 | 48 MILS |
| Tensile Strength | ASTM D 1970 | MD128/CD107 |
| Adhesion To Plywood Lb/Ft | ASTM D 1970 | |
| 40°F | 9.4 | |
| 75°F | 13.3 | |
| Thermal Stability | ASTM D 1970 | 250°F PASS |
| Low Temperature Flexibility | ICC AC 48 | PASS |
| Tear Resistance Lb/F | ASTM D 1970 | MD163/CD184 |
| Permeability | ASTM E96 | 0.03 |
| Nail Sealability | ASTM D 1970 | PASS |
| Temperature Range | -40°F TO 260°F | |
| Fire Rating | ASTM E 108 |
Packaging
- 66.7′ Roll Length
- 36″ Roll Width
- 48LBS Roll Weight
- 2 Squares Per Roll
- 25 Rolls Per Pallet
- 1,300LBS Weight Per Pallet
VB Synthetics Roof Underlayment™ – Shield is a top-tier roofing solution, meticulously engineered for challenging applications. With its innovative anti-slip coating and wrinkle-free installation, it offers unmatched traction and ease of use. Crafted from 100% inorganic materials, it resists biological growth and can withstand prolonged sunlight exposure. Lightweight yet strong, it’s the ultimate choice for cost-effective and efficient roofing projects.
| With | 4ft | N/A |
|---|---|---|
| Length | 250ft | N/A |
| Area Per Roll | 1,000 sq ft | N/A |
| Total Fabric Weight (GSM) | 110.5 | +/-5 |
| CD Grab Strength | 110lbs | ASTM D751 |
| MD Grab Strength | 120lbs | ASTM D751 |
| Elongation | 19-18 | ASTM D751 |
| Sandwich Coating (GSM) | 18 | ASTM D751 |
| Anti-Slip Coating (GSM) | 20 | ASTM D751 |
| Scrim (Weave Count) | 9×7 | N/A |
| Coefficient of Friction | 0.46 | ASTM D1894 |
Packaging
- 7 mil
- 23lb Roll Weight
- 56 Rolls Per Pallet
- 1,400 Weight Per Pallet
Compliance
- ASTM D266 TYPE II
- ICC-ES AC207
- CSA A123.3
- TDI APPROVED
- Florida Building Code – FL20155
- ASTM E108 CLASS A
- UL 790 CLASS A
- Miami Dade Approved