- Variants
- 1
- Thickness range
- 155 mm
- Documented EI
- EI 90
- Documented Rw
- 55 dB
DECISION SHEET
When to choose W386
Best suited to
Service walls and sanitary blocks, saunas, indoor pools, changing rooms and industrial kitchens with permanent humidity above 80%.
Compare first with
Compare W382 if a single frame can accommodate the services; W386 is justified by its technical cavity and double frame.
Critical site checks
- ✓Build both frames with equal-width studs and provide the specified bracing between them.
- ✓For service blocks, use boxed 70 mm studs and 300 mm-high bracing plates every 900 mm.
- ✓Retain waterproofing, corrosion-resistant screws and every AQUAPANEL accessory in the build-up.
Available W386 variants
Choose a specific build-up to open the quantity report with that system already loaded. Only performance values published by the associated technical source are displayed.
| Build-up | Thickness | Boards | Frame | Fire | Acoustic | Max. height | Calculate this variant |
|---|---|---|---|---|---|---|---|
| W386 · 155 mm2 × boards per face | 155 mm | 2 × Knauf AQUAPANEL Indoor 12,5 | Knauf stud and channel 50 | EI 90 | Rw 55 dB | 4 m | Calculate this variant |
How to choose a W386 variant
Keep its double frame, thickness and moisture accessories as one complete system. Check junctions, water barrier and substrate against the current W38I.es sheet.
Current technical source loaded
W38I.es Knauf AQUAPANEL Indoor (2025) · 2025-08The Ferragut quantity report prepares
- ✓Boards on both faces
- ✓Compatible studs and channels
- ✓Cavity insulation
- ✓Screws for every layer
- ✓Tape, compound and acoustic seal
- ✓Barrier, corrosion-resistant screws and AQUAPANEL joint treatment
What this system family contains
The composition comes from the loaded variants and identifies the work items involved before preparing the quantity report.
Questions about Knauf W386
What is the Knauf W386 system?
W386.es combines a double frame with two AQUAPANEL Indoor boards on each side. It is the most technical AQUAPANEL build-up currently included in the calculator.
Which W386 variant should I choose?
Keep its double frame, thickness and moisture accessories as one complete system. Check junctions, water barrier and substrate against the current W38I.es sheet.
What does the calculator quantify?
The tool estimates complete purchase units for boards, profiles, insulation, screws, joint treatment and accessories compatible with the selected build-up.
Where does the technical data come from?
Performance data comes from W38I.es Knauf AQUAPANEL Indoor (2025), revision 2025-08. Values that are not published are not inferred.
