R6 Ductboard Supply Plenum – 48” (Type 800 | Shop-Built)

This 48” supply plenum is fabricated from R6 ductboard (Johns Manville Type 800 or equivalent), designed for clean air distribution and fast field installation.

Built in-shop to maintain consistent quality and reduce on-site labor, this plenum arrives fully assembled and ready to connect to your system.

Features:

• 48” length standard plenum

• Type 800 R6 ductboard construction

• Foil-faced exterior with sealed seams

• Lightweight and easy to install

• Clean, professional finish

Applications:

• Air handler supply plenums

• Residential and multifamily systems

• New construction and retrofit installs

Order Instructions:

Standard size shown. For custom dimensions, specify at checkout or send your plans after placing your order.

Need multiple units or custom configurations?

📩 Email your plans — we’ll quote within 24 hours.

Contractor-grade fabrication built to save field time