Airtight, durable, and fire safe enclosure that remains in place and prevents air movement @ 50 Pascals of pressure
Specifications
- SF
- MH
- MF
Specification | Objective |
---|---|
Select sealants that: are compatible with their intended surfaces, allow for differential expansion and contraction between dissimilar materials, meet the requirements of the applicable fire safety code (e.g. thermal or ignition barriers), and for use inside the pressure boundary select low volatile organic compound (VOC) sealants that meet independent testing and verification protocols |
Select safe and effective sealants |
- SF
- MH
- MF
Specification | Objective |
---|---|
Select materials that: adequately support applied load and are permanent air barriers, meet the requirements of the applicable fire safety code (e.g. thermal or ignition barriers), and for use inside the pressure boundary select low volatile organic compound (VOC) materials that meet independent testing and verification protocols |
Select safe and effective materials |
- SF
- MH
- MF
Specification | Objective |
---|---|
Maintain a minimum clearance of 3 inches between enclosure and all portions of fixture (e.g. wiring, box, and ballast) Enclosure must be at least as tall as the surrounding insulation Maintain a minimum clearance of 3 inches between enclosure and all portions of fixture (e.g. wiring, box, and ballast) Enclosure must be at least as tall as the surrounding insulation Note: Installing an LED bulb in a non-IC rated fixture does not change the rating of the fixture or the need for an airtight enclosure. |
Prevent overheating of fixture Prevent overheating of fixture |
- SF
- MH
- MF
Specification | Objective |
---|---|
Enclosure top must be R-1 or less and left free of insulation |
Prevent heat buildup |
- SF
- MH
- MF
Specification | Objective |
---|---|
Enclosure must withstand applied loads |
Durable enclosure |
- SF
- MH
- MF
Specification | Objective |
---|---|
Remove any material from the sealing area that will prevent full adhesion of the selected sealant |
Surface is clean and ready to accept sealant |
- SF
- MH
- MF
Specification | Objective |
---|---|
Apply a continuous seal at all seams, cracks, joints, edges, penetrations, and connections of the enclosure while applying sufficient pressure to push sealant into any gaps or cracks and contact any backing or infill material required Sealant exposed to the interior of the enclosure must meet the same fire rating as the enclosure |
Fully adhered, safe, and durable sealant |
- SF
- MH
- MF
Specification | Objective |
---|---|
Visibly flag enclosure above the final insulation level |
Visually identify enclosure for future access |