Design Solutions
Flat Metal Roof with Ceiling RT 3.38
Outside air film, metal roof 1º to 5º pitch, 40 - 60mm nominal airspace, Polyair Multi, unventilated attic, plasterboard ceiling, indoor air film.
Building System Certification Analysis
| Product: | Polyair Multi |
| Thickness = 9mm Thermal Break = 0.22 Fire Test AS1530.2 = 0 Refer to the Polyair product specification for further certification and performance testing results. |
|
| R-Value Calculation: | RT 3.38 (Heat Flow Down) RT 1.50 (Heat Flow Up) |
| Calculated by James Fricker, F.AIRAH, M.EngAust, CPEng |
|
| Calculation Endorsement: | RT 3.38 (Heat Flow Down) RT 1.50 (Heat Flow Up) |
| Endorsed by David W.Yarbrough, PhD, PE (R&D Services, Inc) |
The contribution of this product to the Total R-Value depends on the installation and environmental conditions. The values shown are Total R-Values for the building system, calculated using Reflect 3 computer software validated by James M Fricker F.AIRAH, M.EngAust, CPEng and are based on installed product service in accordance with AS/NZS 4859.1:2002. Verified by R&D Services Inc. Refer to the Polyair technical manual or website for further details.
