K6746MD Flange or Sleeve 
Installation Guide
Florida Product Approval No: FL10093
Miami-Dade NOA No.: 17-0919.06
Maximum Wind-load: 150 PSF
Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself and others by observing all safety information. Failure to comply with these instructions will result in voiding of the product warranty and may result in personal injury and/or property damage.
Maximum Size and Installation Information
Model K6746MD is a Miami-Dade Qualified and Florida Product Approved louver and must be installed in accordance with the installation instructions shown herein. Model K6746MD is qualified for installation within concrete/masonry, steel stud, structural steel or wood framed building conditions. Model K6746MD is structurally calculated to withstand positive and negative wind-loads up to 150 PSF. The maximum single section rough opening width is 72.50 in. The maximum single section rough opening height is 144.50 in. While the maximum rough opening height is limited to 144.50 in., the rough opening width is limited to 1,000 in. as multiple sections may be installed side by side in accordance with installation instructions.
| Minimum Rough Opening Size 12 in. W x 12 in. H | Maximum Single Section Rough Opening Size 72.50 in. W x 144.50 in. H |
Building Condition/Substrate Limitations
- All wood substrate shall be G= 0.55 density or better
- All metal stud substrate should be min. 16 Ga. FY= 50 KSI
- All structural steel substrate shall be min. 0.25 in. thick FY= 36 KSI
- All concrete substrate shall be min. 3000 PSI
- Concrete masonry shall be ASTM C90, Type II, 2000 PSI, grout-filled
Single Section
Multiple Sections
Height ≤ 96 ½
Height > 96 ½ ≤ 144 ½
Single Section
Structure Depth
- Min. structure depth 4 in.
- Max. structure depth 10.5 in. (12 in. sleeve)
- Max. structure depth 14.5 in. (16 in. sleeve)
Height ≤ 96 ½
Structure Depth
- Min. structure depth 4 in.
- Max. structure depth 11.5 in.
Height > 96 ½ ≤ 144 ½
The look that works.™
P.O. Box 410, 525 Western Road, Schofield, WI 54476-0410 USA
715.841.8757 © fax 715.841.8773 www.airolite.com
As a result of our commitment to continuous improvement, Airolite reserves the right to change specifications without notice.
474786 • K6746MD Flange/Sleeve Installation, Rev. 2, 12-18
Copyright 2018 © The Airolite Company LLC
