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DONN® DX®/DXL™ Concealed Acoustical Suspension System
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A supporting grid that is completely concealed.This Concealed Ceiling Suspension System provides a monolithic, uninterrupted ceiling plane with up to 50-percent access to the plenum. Hot-dipped, galvanized steel body inhibits rust.
The DONN DX/DXL Concealed Ceiling Suspension System offers a smooth continuous look for ceilings, with a completely concealed supporting grid.
Light fixtures, air diffusers, and plenum access points can be arranged with great flexibility. Grid components are connected with plug-in, positive-lock insertion for quick installation and removal without tools. Standard cross tees have offset ends that rest on main tees for better appearance, without sagging or twisting. They cantilever during installation, and will not drop out. Locking tee ends provide pullout tension values in excess of 200 lbs.
This system’s design flexibility helps meets or exceeds all national code requirements, including seismic, and load compliance specifications per ASTM C635.
Lifetime limited warranty when used with USG ceiling panels. Fire-rated systems are available.
| Title | Size | Add to Submittal |
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| DONN® Suspension Systems Brochure - AC3163 [PDF] | 268 KB |
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| Title | Size | Add to Submittal |
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| Seismic Certification of Performance (English) - AC3235 [PDF] | 1,022 KB |
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| Seismic Certification of Performance (Spanish) - AC3235SP [PDF] | 1,040 KB |
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| Title | Size | Add to Submittal |
|---|---|---|
| DONN® Suspended Ceiling Installation Guide - R38 [PDF] | 815 KB |
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| Title | Size | Add to Submittal |
|---|---|---|
| Ceiling Systems Catalog - SC2000 [PDF] | 42,936 KB |
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| Ceiling Systems Catalog Supplement - SC2000A [PDF] | 29,752 KB |
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| DONN® Suspension Systems System Catalog - SA904 [PDF] | 238 KB |
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| Title | Size | Add to Submittal |
|---|---|---|
| DONN® Ceilings Warranty - SC2102 [PDF] | 92 KB |
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Installation
Q: How is the spacing of wire hangers determined for fire-rated assemblies?
A: All systems must be installed and tested in compliance with ASTM C636.
Q: How much force is required to insert a cross tee with a quick release clip?
A: It takes 12-14 pounds of force to install a cross tee.
Q: How do you remove cross tees without a tool?
A: To remove a cross tee, push up on the main tee with your thumbs (where the cross tee is connected) and rotate it until the cross tee pops up and out of the slot.
Q: Do you mechanically attach the SHEETROCK ® Brand Liner Panels to the USG H studs?
A: No. The panels just slide into place.
Q: How do you take main tees apart without a tool?
A: Facing the main tee splice place your left hand near the left side of the splice and right hand near the right side of the splice. Using a shearing motion, push with your left hand and pull with your right hand. This disconnects the main tee splice. Be sure to straighten the end tabs before attempting to reconnect.
Q: What gauge hanger wire is needed to install grid?
A: For residential installation 18-gauge wire is required. For commercial installation 12-gauge wire is required.
Q: What is the best way to suspend a ceiling system beneath an existing grid system?
A: What is the best way to suspend a ceiling system beneath an existing grid system?
Q: How far apart should hanger wires be spaced when installing grid?
A: Hanger wires should be spaced between 4' and 6' depending on how much load the grid will carry. Hanger wires that are spaced closer allow the system to carry heavier loads.
Performance
Q: Which grid is the best grid to use in a Clean Room environment?
A: DONN ® CE is the best grid for a Clean Room environment.
Q: What is the standard warranty of grid?
A: Ten years. See complete warranty for details.
Q: What are the best grids to use in an area that is accessible to moisture?
A: DONN ® AX™ or ZXLA™.
Q: What is the warranty for a system, that uses USG tile and grid together?
A: There is a lifetime warranty on any ceiling system that is used in conjunction with our tile and grid. All grid is lifetime when used with USG tile, however not all tile is lifetime when used with USG grid. See complete warranty for details.
Technical
Q: How is the load test data collected for ceiling grid?
A: Load data and spans are based on simple span tests in accordance with ASTM C635, with a deflection limitation of L/360.
Q: When installing grid, what is the minimum clearance needed from the overhead structure?
A: Minimum clearance is 3", which allows ceiling tiles to be inserted and removed freely
Additional Resources
Quick Facts
- Fire Rated
- Fire Class A
- Edge/Profile: [DXL Concealed - 15/16"]
