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.

TYPES OF ROOFING UNDERLAYMENT

Photo of VB Armor synthetic roof underlayment available at Metal formers Inc in Tennessee
VB Synthetics Roof Underlayment™ – Armor
Photo of VB Defender synthetic roof underlayment available at Metal formers Inc in Tennessee
VB Defender 6.5 mil Synthetic Felt
Photo of VB Extreme Self-Adhesive synthetic roof underlayment available at Metalformers Inc in Tennessee
VB Extreme SA™ for Hi-Temp, Ice, & Water
Photo of VB Shield synthetic roof underlayment available at Metal formers Inc in Tennessee
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.

 

Dimensions
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.

 

Dimensions
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.

 

Technical Specifications
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.

 

Dimensions
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