JORDAHL® Sound Insulation JAI

Application

  • New structures: For new structures two adjustable JORDAHL® T-bolts are typically used to connect the JAI bracket to dynamically rated hot rolled JORDAHL® Anchor Channels JTA (ETA-09/0338), which are embedded into the concrete elevator walls.
  • Existing structures: The acoustic performance of existing structures may also be uprated by retro fitting JAI brackets to JORDAHL® Mounting Channels (ETA-15/0386) that are either welded to structural steel or connected to concrete walls using drilled connections that are suitable for transferring dynamic loads.

Description

Elevator Insulation JAI is used to reduce structure borne noise transfer from operating machinery by acoustically decoupling load bearing connections from building structures. The bracket used with the JAI system comprises of vibration absorbing material that is housed within a steel frame capable of transferring the applied loads back to the structure. It behaves like a mass spring system. In elevator shafts the system is used for acoustically isolating guide rail and elevator machinery connections by significantly reducing impact sound transmission through elevator shaft walls. This reduces noise levels experienced by occupants of rooms in the vicinity of the elevator shaft when the elevator is operating.”

Features and benefits:

  • Significant reduction of sound transmission.
  • Increased predictability of acoustic design.

Application:

  • New structures: For new structures two adjustable JORDAHL® T-bolts are typically used to connect the JAI bracket to dynamically rated hot rolled JORDAHL® Anchor Channels JTA (ETA-09/0338), which are embedded into the concrete elevator walls.
  • Existing structures: The acoustic performance of existing structures may also be uprated by retro fitting JAI brackets to JORDAHL® Mounting Channels (ETA-15/0386) that are either welded to structural steel or connected to concrete walls using drilled connections that are suitable for transferring dynamic loads.

General information

Features

Significant reduction of sound transmission, increased predictability of acoustic design

Material

Mixed cell polyurethane sound Insulating material

Shape

Rectangular

Size

120 x 192 (h x w)

Top hole/ slot spacing: 135 mm

Uniclass 2015

Pr_35_90_15_12 Carbon steel shear load connectorsPrimary

CAWS

E40/440 Load transfer systems

Product range

Machine and Steel Connections

Specification data - Carbon steel shear load connectors

Product Reference

JORDAHL® Sound Insulation JAI-A1

With round hole connection points, 42 mm depth, threaded M12 top hole.

JORDAHL® Sound Insulation JAI-A1J

With slotted connection points to enable increased positional adjustment, 63 mm depth, 13 x 40 mm top slot.

Anchors

-

Configuration

JORDAHL® T-bolts fixed to JORDAHL® Channels

Position

Rear of bracket

Shape of dowel plate

Rectangular

Material

Electroplated steel

Standard.

Stainless steel

Sound reduction

18 dB (average)

Standard product features

Features:

Significant reduction of sound transmission, increased predictability of acoustic design.

Material:

Mixed cell polyurethane sound Insulating material.

Shape:

Rectangular.

Size:

  • 120 x 192 (h x w).
  • Top hole/ slot spacing: 135 mm.