Insulation & membrane stress plates


Trust Dekfast™ stress plates to evenly distribute loads throughout the lifetime of your roof.


Partner with SFS to choose the right Dekfast stress plate for your next build. Like all our products, these plates are the result of scrupulous testing and regular customer feedback. Achieve your project’s goals with the help of SFS, a manufacturing partner who delivers success each and every time. 

Insulation Plates

isoweld® TPO Plate

TPO and PVC/KEE/TPA membrane attachment using isoweld® induction welding tools
  •  OD: 3.12" Round
  •  ID: .260"
  • Material: G90 Steel w/proprietary TPO adhesive coating
  • Color: Yellow
  • Coating back of plate: polyester gray
Product data sheet | PDF

isoweld® PVC Plate

TPO and PVC/KEE/TPA membrane attachment using isoweld® induction welding tools
  • OD: 3.12" Round
  • ID: .260"
  • Material: G90 Steel w/proprietary PVC adhesive coating
  • Color: Purple
  • Coating back of plate: polyester gray
Product data sheet | PDF

Galvalume Steel Hex Insulation Plate

 Insulation and cover board attachment to steel and wood roof decks
  • OD: 2-7/8" Hex
  •  ID: .270"
  •  Thickness: . 019"
  •  Finish: AZ50 Galvalume
Product data sheet | PDF

Galvalume Steel 3" Round Insulation Plate

Insulation and cover board attachment to steel and wood roof decks
  •  OD: 3" Round
  •  ID: .260"
  •  Thickness: . 019"
  •  Finish: AZ50 Galvalume
  •  Available pre-assembled to Dekfast™ #12 Phillips head fastener
Product data sheet | PDF

Dekflat™ 3" Round Plastic Lock Plate

Insulation and cover board attachment to steel and wood roof decks
  • OD: 3" Round
  • ID: .260"
  • Material: Polypropylene
  • Flat bottom is ideal for use with rigid board surfaces as well as standard insulation boards
Product data sheet | PDF

Membrane Plates

Galvalume Steel Round 2" Barbed Plate

Membrane and cover board attachment to steel and wood roof decks
  • 22 Ga. Galvalume Steel
  • OD: 2"
  • ID: .265"/.270"
  • Thickness: .032"
  • Finish: AZ55 Galvalume
Product data sheet | PDF

Galvalume Steel 2" Round Plate Non-Barbed

Membrane and cover board attachment to steel and wood roof decks
  • OD: 2" Round
  • ID: .255"
  • Thickness: .032"
  • Finish: AZ55 Galvalume
Product data sheet | PDF

Galvalume Steel 2-3/8" Round Barbed Plate

Membrane attachment to steel and wood roof decks
  •  20 Ga. Galvalume Steel
  • OD: 2-3/8"
  •  ID: .260/.262"
  • Thickness: .038"
  • Finish: AZ50 Galvalume
Product data sheet | PDF

Galvalume Steel 1-1/2" x 2-3/4" Oval Barbed Plate

 PVC roofing membrane to roof deck
  • 18 Ga. Galvalume Steel
  •  2.75" Length x 1.50" Width
  • ID: .0.250"
  • Thickness: .048"
  • 12 barbs
  • Finish: AZ50 Galvalume
Product data sheet | PDF
Insulation and membrane stress plates are not one-size-fits-all. Call 1-800-234-4533 to consult with a member of the team about which part best fits your plans or to place an order.  

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