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DEXcell Roof Board Products

Very severe hail solution

Defend your roof from very severe hail damage

Introducing DEXcell FA VSH™ Glass Mat Roof Board – an excellent choice for roof assemblies requiring maximum hail and puncture resistance. Read the official announcement here.

New Product

Built to handle the extremes

DEXcell FA VSH™ Glass Mat Roof Board boasts a stronger core designed to withstand a 2-inch ice ball traveling at 106 miles per hour with single-ply membranes in the FM Test Standard 4473.

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Enhanced hail, puncture and wind resistance

DEXcell FA VSH™ Glass Mat Roof Board is an excellent choice for applications requiring maximum hail and puncture resistance. Enhanced wind uplift, fire and moisture resistance and dimensional stability help to protect the assembly and the building owner's investment.

  • Achieves FM VSH approval for single-ply and multi-ply membrane assemblies
  • For mechanically attached and adhered assemblies
  • Easier to handle and install
  • Available in 5/8" 4x4 and 4x8 sizes
  • Manufactured to meet ASTM C1177
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Expert Opinion

Blog: Defending Your Roof

Product Manager Warren Barber shares insights on very severe hail and the importance of utilizing roof coverboard systems.

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Hail damage across the country

The geographic range for very severe hail has increased year-over-year according to FM Global Property Loss Prevention Data.


In addition, costs from hailstorm damage continue to rise and insurance companies are demanding new requirements on commercial roofing systems that will resist damage, including from very severe hail.

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We've got you covered

Four great products. Many great benefits.

Whether your building houses expensive equipment or valued people, DEXcell® Roof Boards will cover more than your roof. With four great products to choose from, there is one that works for every commercial roofing application.


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