The Alta KH-32H Sigrist Medium Double-Long Chase Housing with Curb can have up to 32 Sigrist Exit Seals installed. Made from laser cut, computer formed aluminum with hand welded seams, this roof penetration system is guaranteed to withstand defects for least 20 years.The finish on the housing and lid is a UV protected powder coating that is tested to be uniformly thick.

Housing Dimensions: 38in. X 14.5in. X 13.5-in.

Curb Dimensions:

• 14-in. Medium Double-Long Curb: 36-in. X 12.5-in. X 14-in. (length by width by height) 
• 18-in. Medium Double-Long Curb: 36-in. X 12.5-in. X 18-in. (length by width by height) 
• 24-in. Medium Double-Long Curb: 36-in. X 12.5-in. X 24-in. (length by width by height)