JM VSH Plate

JM VSH Plate

Product Descriptive Name
Product Short Description
JM VSH Plates are 2.2" round heavy duty reinforced polymer plates with barbs utilized for in seam single ply membrane securement, and cover board preliminary securement of Very Severe Hail rated single ply membrane systems.

Product Details

JM VSH Plate

Product Long Description


JM VSH Plate


Use: Single Ply Membranes & Cover Boards

Material: High Strength Reinforced Polymer

Size: JM VSH Plate - 2.2" (5.588 cm) round

Color: Black


Maximizing Your Roof's Protection From Hail

When it comes to your roof, hail can cause significant damage. However, incorporating the appropriate cover board into your roofing system can provide you with superior protection. Upgrade your roof to VSH-rated with DexCell FA VSH Glass Mat Roof Board today!

FM VSH Approval Rating Image of Hand with a Hail Ball and Custom Logo

Very Severe Hail is two inches or wider in diameter.

Hail can fall as speeds up to 72 mph

The Very Severe Hail region was recently expanded. Are you in the danger zone? Visit the FM Global natural hazards map here.


Building Owner Resources

Johns Manville offers one of the most comprehensive portfolios of commercial low-slope roofing solutions. We have a long standing dedication to providing solution-based systems for building owners.

Codes Corner

Here you will find quick links and cheat sheets to Johns Manville roofing systems code approvals and ratings. 

Guarantees and Roof Maintenance

Support services can include: conceptual product information, building science, wind uplift data, national and local code understanding, FM Global® and UL® regulations, fastening patterns and sheet layouts, installation guidelines and standard details.

Recycling Resources

Re-roofing mechanically attached or ballasted insulated single-ply systems now have the potential for recycling versus contributing to a landfill.

SmartBinder Resource Library 

Your resource for all JM documents in one place. 

Submittal Wizard

The Submittal Wizard is a tool to help you pull together the necessary documents for your submittal package.

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