Airtight, safe, durable seals that remain in place, and prevent moisture and 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 |
---|---|
Install support material for spans wider than 24", except when air barrier material is rated to span greater distance under load (e.g., wind, insulation) Support material installed for any walking/working surface (attics or floors) will support the weight of a worker and any insulation applied in the area |
Ensure sealing materials remain in place and support applied loads |
- 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 |
---|---|
Install a permanent air barrier either above or below the existing ceiling material that will structurally support the final insulation level |
Align pressure boundary |
- SF
- MH
- MF
Specification | Objective |
---|---|
Apply a continuous seal at all seams, cracks, joints, edges, penetrations, and connections of the pressure boundary while applying sufficient pressure to push sealant into any gaps or cracks and contact any backing or infill material required |
Fully adhered, airtight, and durable seal |
- SF
- MH
- MF
Specification | Objective |
---|---|
Install only noncombustible materials and sealants with an ASTM E136 listing in contact with any device producing 200 degrees F or more (chimneys, vents, flues, etc.) |
Prevent a fire hazard |