The 9Wood Cross Piece Grille style wood ceiling offers a design where the individual wood member is deeper than it is wide. The standard panel width is 12” or 24”. Standard panel lengths are 4’, 6’, 8’, or 10’ (nominal).
The Cross Piece Grille uses a pre-assembled panel fabrication process. This product can be installed throughout the country and is the preferred design in areas requiring seismic compliance. Full panel access is available by means of removing attachment screws hidden in reveals. Repeated removal requires threaded 9Wood T-Bolt™ attachment as opposed to screws.
Show Specification and Performance Info
Acclimatization
Cross Piece Grilles must be cared for in a controlled interior environment (RH 25%-55% max; temp. 60°-80°) and installed only after reaching equilibrium moisture content. Should the building fall outside these limits consult 9Wood, Inc. for our 3 Tests/3 Tracks Acclimatization Advisory.
Acoustics
The Cross Piece Grille can enhance acoustics via soundabsorbing material placed over open reveals within the T-Bar grid. Insulation is typically provided locally.
Fire Rating
Individual members and components can be treated with Class I (A) Fire Retardant chemicals (solid wood use FR coatings, veneered particleboard use FR formulas). Particular species or styles have not been tested.
LEED
Cross Piece Grilles may qualify toward MR-3, MR-4.1/4.2, MR-5.1/5.2, MR-6, MR-7, IEQ-4.2 or IEQ-4.4. As all products are custom-fabricated, LEED credit opportunities are project by project. Please contact 9Wood, Inc. for specifics.
MEP
The Cross Piece Grille permits MEP penetrations in the ceiling’s surface. Cut panels may require supplemental reinforcement. Fixtures and diff users must be independently supported.
Seismic
Cross Piece Grilles provide seismic code compliance by means of mechanical direct screw attachment to T-Bar via the cross-piece backer. Please consult local code or a licensed engineer for any additional requirements.
Species & Finishes
9Wood can offer both domestic and imported species for the Cross Piece Grille. Clear, satin sheen finish is standard; custom stain matches are available. For additional information see our species article.
Suspension
Cross Piece Grilles are directly attached to 15/16” heavy duty T-Bar main runners. Main runners are typically 2’ on center.
System Weight
Cross Piece Grilles typically weigh 2-4 pounds per square foot, depending on members per linear foot and species.
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1100 Cross Piece Grille (click links to downlad CAD details)
Member Width
(Softwood) |
Member Width
(Hardwood or Veneer) |
Member Depth |
Members per Linear Foot |
| 2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
| 5/8" |
3/4" |
1 3/8" |
1112-2 |
1112-3 |
1112-4 |
1112-5 |
1112-6 |
1112-7 |
1112-8 |
1112-9 |
1112-10 |
| 5/8" |
3/4" |
2 1/4" |
1113-2 |
1113-3 |
1113-4 |
1113-5 |
1113-6 |
1113-7 |
1113-8 |
1113-9 |
1113-10 |
| 5/8" |
3/4" |
3 1/4" |
1114-2 |
1114-3 |
1114-4 |
1114-5 |
1114-6 |
1114-7 |
1114-8 |
1114-9 |
1114-10 |
| 1 3/8" |
1" |
1 3/8"" |
1122-2 |
1122-3 |
1122-4 |
1122-5 |
1122-6 |
|
|
|
|
| 1 3/8" |
1" |
2 1/4" |
1123-2 |
1123-3 |
1123-4 |
1123-5 |
1123-6 |
|
|
|
|
| 1 3/8" |
1" |
3 1/4" |
1124-2 |
1124-3 |
1124-4 |
1124-5 |
1124-6 |
|
|
|
|
| 1 3/8" |
1" |
3 1/4" |
1124-2 |
1124-3 |
1124-4 |
1124-5 |
1124-6 |
|
|
|
|
| 1 3/8" |
1" |
5 1/4" |
1126-2 |
1126-3 |
1126-4 |
1126-5 |
1126-6 |
|
|
|
|
NOTE: If the CAD details for your preferred product are not available, please let us know and we will get them to you as soon as possible.
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