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.

The JM VSH Plate must be properly driven into the DensDeck StormXPrime Roof Board without over-driving or under-driving the fastener.Over-driving the fastener can cause “mushrooming” of the steel deck.

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