KEY SELECTION ATTRIBUTES• Armstrong Seismic Rx Suspension System Saves

Time and MoneyIBC Category C:

• Easier to square the system by installing tight to adjacent walls

• Tighter, more secure installation

• Eliminate stabilizer barsnside corner and outside corner posts available

IBC Category D, E, F:

• Reduce material costs by using 7/8" molding

• Eliminate stabilizer bars

• Eliminate installation hassles from 2" wall molding

ICC-ES Recognizes the Armstrong Seismic Rx Suspension System as a Code Compliant Solution

The independent and expert evaluation and confirmation by ICC-ES provides the code official with proven evidence supporting the Armstrong Seismic Rx Suspension System as a code-compliant alternative design to current IBC requirements.

Please visit www.icc-es.org for a copy of the ESR report.

COMPONENTS

MOLDINGS

TechLine 877 276 7876

armstrongceilings.com/seismic

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Calculate LEED contribution at armstrong.com/greengenie

SEISMIC RX® Code Compliant SolutionSuspension Systems ICC-ESR-1308

Suspension Systems Categories D, E and F Category C

PRELUDE® XL® 15/16" Exposed Tee System Heavy-duty Intermediate-duty

PRELUDE XL Fire Guard™ 15/16" Exposed Tee System Heavy-duty Intermediate-duty

PRELUDE XL 15/16" Environmental Tee System Heavy-duty Intermediate-duty

SILHOUETTE® XL 1/4" Reveal 9/16" Bolt Slot System Heavy-duty Intermediate-duty

SILHOUETTE XL 1/8" Reveal 9/16" Bolt Slot System Heavy-duty Intermediate-duty

SUPRAFINE® XL 9/16" Exposed Tee System Heavy-duty Intermediate-duty

SUPRAFINE XL Fire Guard 9/16" Exposed Tee System Heavy-duty Intermediate-duty

INTERLUDE® XL 9/16" Dimensional Tee System Heavy-duty Intermediate-duty

AL PRELUDE PLUS XL 15/16" Environmental Tee System Intermediate-duty

SONATA™ 9/16" Dimensional Tee System Intermediate-duty

SS PRELUDE PLUS XL 15/16" Environmental Tee System Intermediate-duty

Item No.

Description Length

(A) Flange

(B) Flange

(C) Flange

Pcs./ Ctn.

Lin. Ft./ Ctn.

Angle molding

7800 144" hemmed with prefinished exposed flanges 144" 7/8" 7/8" – 30 360

7802 120" hemmed with prefinished exposed flanges 120" 7/8" 7/8" – 30 300

7803 144" hemmed with prefinished exposed flanges 144" 7/8" 7/8" – 30 360

7809 144" hemmed with prefinished exposed flanges 144" 15/16" 15/16" – 30 360

HD7801 120" hemmed with prefinished exposed flanges 120" 7/8" 7/8" – 30 300

780036 144" hemmed with prefinished exposed flanges 144" 7/8" 7/8" – 30 360

Shadow molding

7823 120" hemmed with prefinished exposed flanges 120" 2" 1-1/4" 3/4" 10 100

7877 120" compatible with BERC and BERC2 120" 15/16" 15/16" 1/4" 30 300

7878 120" compatible with BERC and BERC2 120" 15/16" 15/16" 3/8" 30 300

7897 120" compatible with BERC and BERC2 120" 15/16" 15/16" 1/2" 30 300

ACCESSORIES

2" Beam End Retaining Clip – Joins main beam or cross tee to wall molding and web of suspension system with no visible pop rivets.ALBERC2 (aluminum) – 200 pcs FZALBERC2 (aluminum) – 50 pcs

BERC2 (steel) – 200 pcs FZBERC2 (steel) – 50 pcs

Angle Molding

Prelude Grid

Armstrong®

AL BERC2

NOTE: It is REQUIRED to attach a screw through the ALBERC2 into the wall molding as shown.

SEISMIC RX® Code Compliant Solution Suspension Systems ICC-ESR-1308

INSTALLATION GUIDELINES

LEED® is a registered trademark of the U.S. Green Building Council All other trademarks used herein are the property of AWI Licensing Company and/or its affiliates © 2017 AWI Licensing Company Printed in the United States of America

TechLine / 1 877 276 7876 armstrongceilings.com

(search: seismic)

BPCS-3751-1017

CATEGORY D, E, F

CATEGORY C

Unattached Wall

7/8"

Tight screw

B

B

B

B

B

B

B

B

X X

XX

XX

X X

Attached Wall

Una

ttach

ed W

all

Unattached Wall

2' O.C.

BB B

B or PB or PB or P

7/8"3/8"

7/8"

8" Max.

Pop Rivet

8" Max.

7/8" 3/4"

X Hanger WireB BERC or BERC2 ClipP Pop Rivets

7/8" Angle Molding 3/4"

BERC2

Unattached Side

Optional (Loose Screw)

7/8" Angle Molding

BERC2

Screw tightened throughweb of grid, restrictingseparation from wall molding

Attached Side

BERC2

AngleMolding

7800 Acoustical Panel

Silhouette GridTight Screw

Attached Side

BERC2

Angle Molding

7800

Acoustical Panel

Silhouette GridLoose Screw

Unattached Side

7877Shadow Molding

BERC2

Prelude or Supra�ne Main Beam

Tight Screw

Attached Side

7878ShadowMolding

BERC2

Prelude Or Supra�ne Main Beam

Loose Screw

7897ShadowMolding

BERC2

Prelude Main BeamLoose Screw

7800 AngleMolding

BERC2

Acoustical Panel

Exposed Tee GridLoose Screw

Unattached Side

7800 AngleMolding

BERC2

Acoustical Panel

Exposed Tee GridTight Screw

Attached Side

7877ShadowMolding

BERC 2

InterludeMain Beam

Tight Screw

Attached Side

7877ShadowMolding

BERC2

SilhouetteMain Beam

Loose Screw

Unattached Side

7877ShadowMolding

BERC2

SilhouetteMain Beam

Tight Screw

Attached Side

7877ShadowMolding

BERC2

InterludeMain Beam

Loose Screw

Unattached Side

7877Shadow Molding

BERC2

Prelude or Supra�ne Main Beam

Loose Screw

Unattached Side

10Scale: 1:2

11Scale: 1:2

14Scale: 1:2 15

Scale: 1:2

16Scale: 1:2

17Scale: 1:2

18Scale: 1:2

12Scale: 1:2

13Scale: 1:2

7/8" Angle Molding 3/4"

BERC2

Unattached Side

Optional (Loose Screw)

7/8" Angle Molding

BERC2

Screw tightened throughweb of grid, restrictingseparation from wall molding

Attached Side

BERC2

AngleMolding

7800 Acoustical Panel

Silhouette GridTight Screw

Attached Side

BERC2

Angle Molding

7800

Acoustical Panel

Silhouette GridLoose Screw

Unattached Side

7877Shadow Molding

BERC2

Prelude or Supra�ne Main Beam

Tight Screw

Attached Side

7878ShadowMolding

BERC2

Prelude Or Supra�ne Main Beam

Loose Screw

7897ShadowMolding

BERC2

Prelude Main BeamLoose Screw

7800 AngleMolding

BERC2

Acoustical Panel

Exposed Tee GridLoose Screw

Unattached Side

7800 AngleMolding

BERC2

Acoustical Panel

Exposed Tee GridTight Screw

Attached Side

7877ShadowMolding

BERC 2

InterludeMain Beam

Tight Screw

Attached Side

7877ShadowMolding

BERC2

SilhouetteMain Beam

Loose Screw

Unattached Side

7877ShadowMolding

BERC2

SilhouetteMain Beam

Tight Screw

Attached Side

7877ShadowMolding

BERC2

InterludeMain Beam

Loose Screw

Unattached Side

7877Shadow Molding

BERC2

Prelude or Supra�ne Main Beam

Loose Screw

Unattached Side

10Scale: 1:2

11Scale: 1:2

14Scale: 1:2 15

Scale: 1:2

16Scale: 1:2

17Scale: 1:2

18Scale: 1:2

12Scale: 1:2

13Scale: 1:2

7/8" Angle Molding 3/4"

BERC2

Unattached Side

Optional (Loose Screw)

7/8" Angle Molding

BERC2

Screw tightened throughweb of grid, restrictingseparation from wall molding

Attached Side

BERC2

AngleMolding

7800 Acoustical Panel

Silhouette GridTight Screw

Attached Side

BERC2

Angle Molding

7800

Acoustical Panel

Silhouette GridLoose Screw

Unattached Side

7877Shadow Molding

BERC2

Prelude or Supra�ne Main Beam

Tight Screw

Attached Side

7878ShadowMolding

BERC2

Prelude Or Supra�ne Main Beam

Loose Screw

7897ShadowMolding

BERC2

Prelude Main BeamLoose Screw

7800 AngleMolding

BERC2

Acoustical Panel

Exposed Tee GridLoose Screw

Unattached Side

7800 AngleMolding

BERC2

Acoustical Panel

Exposed Tee GridTight Screw

Attached Side

7877ShadowMolding

BERC 2

InterludeMain Beam

Tight Screw

Attached Side

7877ShadowMolding

BERC2

SilhouetteMain Beam

Loose Screw

Unattached Side

7877ShadowMolding

BERC2

SilhouetteMain Beam

Tight Screw

Attached Side

7877ShadowMolding

BERC2

InterludeMain Beam

Loose Screw

Unattached Side

7877Shadow Molding

BERC2

Prelude or Supra�ne Main Beam

Loose Screw

Unattached Side

10Scale: 1:2

11Scale: 1:2

14Scale: 1:2 15

Scale: 1:2

16Scale: 1:2

17Scale: 1:2

18Scale: 1:2

12Scale: 1:2

13Scale: 1:2

8" Max.

7/8"

7/8" Angle Molding 3/4"

BERC2

Unattached Side

Optional (Loose Screw)

7/8" Angle Molding

BERC2

Screw tightened throughweb of grid, restrictingseparation from wall molding

Attached Side

BERC2

AngleMolding

7800 Acoustical Panel

Silhouette GridTight Screw

Attached Side

BERC2

Angle Molding

7800

Acoustical Panel

Silhouette GridLoose Screw

Unattached Side

7877Shadow Molding

BERC2

Prelude or Supra�ne Main Beam

Tight Screw

Attached Side

7878ShadowMolding

BERC2

Prelude Or Supra�ne Main Beam

Loose Screw

7897ShadowMolding

BERC2

Prelude Main BeamLoose Screw

7800 AngleMolding

BERC2

Acoustical Panel

Exposed Tee GridLoose Screw

Unattached Side

7800 AngleMolding

BERC2

Acoustical Panel

Exposed Tee GridTight Screw

Attached Side

7877ShadowMolding

BERC 2

InterludeMain Beam

Tight Screw

Attached Side

7877ShadowMolding

BERC2

SilhouetteMain Beam

Loose Screw

Unattached Side

7877ShadowMolding

BERC2

SilhouetteMain Beam

Tight Screw

Attached Side

7877ShadowMolding

BERC2

InterludeMain Beam

Loose Screw

Unattached Side

7877Shadow Molding

BERC2

Prelude or Supra�ne Main Beam

Loose Screw

Unattached Side

10Scale: 1:2

11Scale: 1:2

14Scale: 1:2 15

Scale: 1:2

16Scale: 1:2

17Scale: 1:2

18Scale: 1:2

12Scale: 1:2

13Scale: 1:2

Attached SideUnattached Side

8" Max.

3/4"

8" Max.

Attached SideUnattached Side

8" Max.

3/4"

8" Max.

BERC2 Clips BERC2 Clips Pop Rivets

7/8"3/4"

ArmstrongBERC2

ArmstrongBERC2

Angle Molding

8Scale: 1:8

8" Max.

Tight Wall

B

B

B

B

B

B

B

B

X

X

X

X

X

X

X

X

3/8" Clearance Wall

Tight WallTi

ght W

all

2' O.C.

Cross Tee

Cross Tee

Main Beam

Main Beam

B B B

B B B

X Hanger WireB BERC or BERC2 Clip

BERC2

BERC2

Attached Wall