24/07/2026
DELTA®-MAXX PLUS is a durable, long-lasting and energy-efficient roof underlay membrane designed to withstand harsh weather conditions. Thanks to its patented self-adhesive overlap edges and high-quality components, it provides both easy installation and reliable protection.
Long Service Life and Reliability: Approved with European Technical Assessment (ETA) certification, DELTA®-MAXX PLUS offers a 30-year warranty when installed correctly.
Minimum Waste, Maximum Savings: The patented adhesive edges reduce material and labor losses, providing up to 30% savings during installation.
Energy Efficiency: By reducing air exchange rates by up to 30%, it can help save up to 9% on heating energy consumption.
High Durability: With a tear resistance of 450/400 N/5 cm and a non-slip surface, it enables safe and secure installation.
Easy Installation: Its grid structure allows precise cutting, while the patented self-adhesive edges ensure fast and reliable assembly.
DELTA®-MAXX PLUS can be safely used in:
Application Note: After installation, the self-adhesive strips on the overlap edges are bonded together, providing immediate wind-tight protection.
DELTA®-MAXX PLUS is a reliable premium roof underlay solution preferred by professionals for high-performance roofing systems.
When properly installed, it is covered by a 30-year warranty.
No. Thanks to its patented self-adhesive overlap edges, the product can be installed with minimum waste.
Yes. By reducing air exchange rates, it can provide up to 9% savings in heating energy consumption.
It is resistant to temperatures between -40°C and +80°C and can withstand short-term temperatures up to +120°C.
Yes. It provides complete protection against rain and moisture with its W1-class waterproofing performance.
