SECTION 120.7 –MANDATORY INSULATION REQUIREMENTS

    

Any newly constructed nonresidential and high-rise residential and hotel/motel building shall meet the minimum requirements in this Section.

(a)  Roof/Ceiling Insulation.  

      The opaque portions of the roof/ceiling that separates conditioned spaces from unconditioned spaces or ambient air shall meet the applicable requirements of Items 1 and 2 below:

1.   Metal Building- The weighted average U-factor of the roof assembly shall not exceed 0.098.

2.   Wood Framed and Others- The weighted average U-factor of the roof assembly shall not exceed 0.075.

 (b)      Wall Insulation.  

      The opaque portions of walls that separate conditioned spaces from unconditioned spaces or ambient air shall meet the applicable requirements of Items 1 through 6 below:

1.   Metal Building- The weighted average U-factor of the wall assembly shall not exceed 0.113.

2.   Metal Framed- The weighted average U-factor of the wall assembly shall not exceed 0.105.

3.   Light Mass Walls- A 6 inches or greater Hollow Core Concrete Masonry Unit shall have a U-factor not to exceed 0.440.

4.   Heavy Mass Walls- A 8 inches or greater Hollow Core Concrete Masonry Unit shall have a U-factor not to exceed 0.690.

5.   Wood Framed and Others- The weighted average U-factor of the wall assembly shall not exceed 0.110.

6    'Spandrel Panels and Glass Curtain Wall- The weighted average U-factor of the Glass spandrel panels and glass curtain wall assembly shall not exceed 0.280.

(c)  Floor and Soffit Insulation.

      The opaque portions of floors and soffits that separate conditioned spaces from unconditioned spaces or ambient air shall meet the applicable requirements of Items 1 and 2 below:

1.   Raised Mass Floors- Shall have a minimum of 3 inches of lightweight concrete over a metal deck or the weighted average U-factor of the floor assembly shall not exceed 0.269.

2.   Other Floors-The weighted average U-factor of the floor assembly shall not exceed 0.071.

 3.  Heated Slab Floor-A heated slab floor shall be insulated to meet the requirements of Section 110.8(g)