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U3400-Series

The double-bolt single-ply U-Anchor®, for the loads a single stud isn't the right answer for: full HVAC units, heavier racking, and structure that bolts to a two-stud pattern. Available in KEE, PVC, TPO, and EPDM.

FM Approved

Specifications

COMPRESSION-FREE™
A watertight, Compression-Free™ seal. The U-Anchor® is considered a component of the roof and included in the roof warranty.
FACTORY-BUILT
Fully encapsulated at the factory in membrane matched to the roofing brand, type, and color. No exposed fasteners, and the seal around the plate is complete before it reaches the roof.
ENGINEERED FOR LOAD
Rated for wind uplift, seismic and vibration per ASCE-7.
Two installers securing a rooftop HVAC unit

Approved for warranty

CarlisleElevateGAFJohns ManvilleSika SarnafilVersicoDuro-LastFibertiteIB Roof Systems

How it works

What this fits to, and what it is fitted to.

The anatomy
03
Sacrificial separation disk
The same membrane as the cover

Attached on top of the cover membrane. It takes the wear from the equipment bolted down over it so the cover does not, and is not part of the waterproofing.

02
U-Anchor cover membrane
PVC, KEE, TPO or EPDM to match the roof — white as standard, other colors available

17.50" x 11.75", approx. 60 mils, factory sealed to the plate. Attached to the roof at its perimeter using the same methods the roofing crew already uses — see the installation steps for each membrane.

01
U3400 anchor plate
19 ga (0.047" / 1.19 mm) G90 galvanized steel

11" x 5.5" plate with twelve 0.265" fastener holes, fastened through the roofing assembly into the structural deck. It sits under the cover membrane.

The membrane it comes in
U3400-KEE — KEE Membrane
U3400-KEE
KEE Membrane
Adhered / Mech. Attached

Lightweight, watertight attachment for KEE membranes. Factory-sealed cover ensures secure, manufacturer-approved installation.

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U3400-PVC — PVC Membrane
U3400-PVC
PVC Membrane
Adhered / Mech. Attached

Watertight attachment for fully adhered PVC. Features factory-sealed cover and mechanically attached 3000 series base plate.

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U3400-TPO — TPO Membrane
U3400-TPO
TPO Membrane
Adhered / Mech. Attached

Lightweight, watertight U-Anchor® for TPO systems. Factory-sealed and fully encapsulated to reduce membrane stress.

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U3400-EPDM — EPDM Membrane
U3400-EPDM
EPDM Membrane
Adhered / Mech. Attached

Lightweight, watertight U-Anchor® for EPDM. Field-installed factory-cut cover; approved for fully adhered and mechanically attached systems.

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Solutions it secures

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