Standing Seam Metal Roof Solar Reflectance

Colonial seam continuous standing seam metal roof panel with an integral seam.

Standing seam metal roof solar reflectance.

Pac 150 180 double lock. The sr value is a number from 0 to 1 0. A cool metal roof with high solar reflectance and high thermal emittance would have a lower surface temperature as compared to a roof with low reflectance and low emittance. The only exception is a standing seam metal roof.

Clipless one piece positive locking standing seam panel that provides a timeless roof appearance. Tax credits energy efficiency federal tax credits homeowners can receive a tax credit of 10 of the cost up to 500 for interlock metal roofing systems installed on their principal residence. Pac 150 90 single lock. Energy star requires an initial sr value of 0 25 or higher for steep slope 2 12 roofs and 0 15 or greater after three years.

You can attach an s 5 solar panel holding brackets to the raised seams of a standing seam roof. Low slope roofs require an initial sr value of 0 65 or higher. A highly reflective and highly emissive painted or granular coated metal roof is optimal for reducing energy consumption and can actually re emit up to 90 of absorbed solar radiation. In the case of a cool metal roof a lower surface temperature translates into less heat gain into the attic space or living space below the roof.

Sri measures the roof s ability to reject solar heat defined such that a standard black reflectance 0 05 emittance 0 90 is 0 and a standard white reflectance 0 80 emittance 0 90 is 100. Architectural metal roofing panels metal wall panels and related products such as soffit panels highest quality fascia and coping systems. Reflectance in relation to metal roofing refers to uv and infrared light rays being reflected from the roof surface. Its unique mechanical lock design profile forms a weather tight unit and unlike some other types of panel metal roofs no rivets or screws are exposed on the surface of the panels.

The deduction applies to roofs installed between january 1 2011 and december 31 2020. A value of 0 indicates that the material absorbs all solar energy and a value of 1 0 indicates total reflectance. Interlock standing seam metal roof panels are a fully interlocking system. Metal roofing color availability chart for kynar 500 or hylar 5000 pre finished galvalume steel and aluminum for metal roofing curtainwall storefront.

Pac 150 180 double lock. Solar reflectance index calculated according to astm e 1980. However crystalline panels are bulkier and use a special mounting system which requires roof penetrations. Berridge metal products have a high recycled content and are 100 recyclable at the end of their lifespan.

Pac 150 90 single lock.