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.
![SampleRoof-3](https://metalformersinc.com/wp-content/uploads/2022/09/SampleRoof-3-scaled.jpg)
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.
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.
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
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