Royal Group Technologies

Roofing system allows remodelers to build greenroom and conservatory additions easily. Royal Ultraframe roof system uses aluminum frames capped with low-maintenance PVC. Window glazing on roof panels can be polycarbonate or traditional glass, and ridge ventilation is built in, allowing hot air to escape without weather intrusion or compromising security. Warranty: Limited 25 years. Supply: Distributors. Contact: (800) 844-7005.

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