Trade and Technical Information
Red Mantle chimneys are fully engineered and compliant with the New Zealand building code. Our unique fibreglass system ensures that our chimneys never leak, rot or rust. We provide all chimneys with a certified engineered design, PS1 and Memorandum of Design.
Our chimneys come with a 20-year warranty. We provide all chimneys with a certified engineered design, PS1 and Memorandum of Design. For all installations, we also provide a PS3 and a PS4. All work has CM4 oversight.
More Technical Information
Please contact us for further information. We are always happy to help with:
- Engineering CAD Drawings
- QS Specification
- Material Specification
- Support Frame Specification
- Engineering Evaluation Report - Composite vs Masonry