Division C - Accepted Materials
VMAX-CATHEDRAL Roof System
by Ventilation Maximum Ltd.
| Material Acceptance and Product Details
The information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications, nor is this material recommended or endorsed by the Guarantor. The preparation of a detailed specification is the responsibility of the Design Authority.
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- Manufacturer
- Ventilation Maximum Ltd.
- Accepted for the RoofStar Guarantee Program
- January 19, 2024
- Accepted for application in
- Water-shedding Roof Systems
- Acceptance Criteria
- None
- Product Summary
- The VMAX-CATHEDRAL was designed and engineered in combination with the VMAX-301-12 ventilator. The ventilator is designed to draw fresh air from the soffits up through each rafter (between the insulation and underside of the roof deck) and into an assembled weather tight duct system. The air is then extracted throughout the ventilator, thus allowing for continuous fresh air flow into the attic space. This system helps prevent heat and moisture buildup in all rafter spaces from deteriorating the structural integrity of the building & its components.
- (adapted from the Technical Data Sheet)
- Conditions and Limitations
- None
- Technical Data Sheet
- Click the "PDF" icon to open the TDS in a new window.
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