D Structural Frame and Building Envelope

D6.2. At Least 90 % of Exterior Walls( 2 Points) D6.3. At Least 90 % of Roofs( 2 Points)

VERIFICATION

D7.

D8.

Field Verification: The Rater will complete field compliance verification and take photos of the roof, floors, and walls.

Documentation: If necessary for verification, the Rater may request calculations demonstrating that the 90 % threshold is met.

INTENT

To reduce waste generation through more efficient construction assemblies. To increase R-value and air tightness.

ENERGY HEELS ON ROOF TRUSSES

CRITERIA FOR QUALIFICATION

One point of credit may be awarded for designing and installing a roof truss with a raised heel that allows for 75 % of the depth of the attic insulation value at the outside edge of the exterior wall, while also allowing for attic ventilation as required.

Flat roofs that have insulation that extends over the exterior wall comply with this measure.

VERIFICATION

Field Verification: The Rater will conduct field compliance verification and take photos that show the measurement.

Documentation: The Rater must collect a building plan or specification detail of the truss that depicts the raised heel and a minimum of 75 % of the attic / ceiling insulation value as noted within Title 24 report.

INTENT

To improve the thermal envelope by accommodating the fullest depth of insulation at the outer edges of exterior walls.

OVERHANGS AND GUTTERS

DRAFT

CRITERIA FOR QUALIFICATION

Up to two points of credit are available for building an overhang around the building’ s entire roof, with gutters installed on 90 % of eaves, as follows:

� �

One point for a 16 inch overhang and gutters Two points for a 24 inch overhang and gutters

Draft GreenPoint Rated New Home Rating Manual, 2013 | Page 37

DRAFT