Carlisle Construction Materials $1.9 Billion Plus Roofing Products Air/ Vapor Barriers Waterproofing Products The Largest US-Based Polyiso Manufacture Structural Insulated Panels Garden Roofing #1 Producer of EPS in North America 1 1

May 29 th progressive Energy Summit Samir Ibrahim Carlisle Construction Materials Balancing Energy Performance

Today’s Energy conflicts Making The Right Choice! Heating Vs. Cooling Degraded urban air ! Heat Islands !

ASHRAE Standard 90.1 Energy Standards for Commercial Buildings Updated every 3 years Establish Primary Climate Zones Establish min. R- Values across the U.S. ASHRAE : American Society of Heating Refrigerating and Air-Conditioning Engineers ASHRAE 8 Climate Zones

Chicago, IL 6450 HDD 749 CDD 20 Year Energy Usage 20 Year Carbon Potential Black Membrane White Membrane

Atlanta GA 3090 HDD 1611 CDD Black Membrane White Membrane

Orlando, FL 697 HDD 3311 CDD 20 Year Energy Usage 20 Year Carbon Potential 75% White Membrane 55% White Membrane Based on electric heat R-Value

Soiling Reduces reflectivity 15% loss in 8 month 35%- 50% losses in 3 year Periodic Cleaning increases cost & causes Physical damage

Carbon Footprint Reflectance=.55 Carbon Footprint Reflectance=.55

Geographic Locations Black vs. White Membranes Dark Roofing Cool Roofing

Heat Islands & Cities Skylines Towering Skyscrapers Lower Buildings Buildings within Close Proximity Curtain walls & Lots of Glass

Extreme Heat Deflection

Sun Rays deflected By Wall Flashing Deflection/ Concentrated UV Loads

Effect of Rooftop Exposure on Ambient Temperatures inside Conduits CDA 2005 Study Copper Development Association International Association of Electrical Inspectors “ IAEI ” Published Feb 2006

CDA Study Conclusion Distance From Membrane Conduit elevated between 1” to 36” are hotter over light colored Roof surface Degree Fahrenheit* IAEI Article Feb 2006 – * Temperature rise above outdoor Temperature

Data Recorded: 9:00 AM -12:00 PM - 3:00 PM - 5:00 PM CCM Air Temperature Study July 7 thru Aug 16 – Carlisle, PA Temperature Recorded at ; (0”) - 10” - 16” - 22” - 34” Temperature Recorded at ; (0”) - 10” - 16” - 22” - 34”

Air Temperatures Above Black & White Roof Membranes 12 Noon - Sunny

Air Temperatures Above Black & White Roof Membranes 30 Day Average

Heat Deflection/ Multi Surfaces

Membrane Surface Temperature & Heat Deflection Time / Ambient Temp (F) White *PerimeterField 9:00 AM (97)105 12:00 PM (102)3420 3:00 PM (106)2118 5:00 PM (101)54 Three Day Average Gain Above Ambient *Impact of reflective wall flashings on White Membrane Surface

Heat deflection membrane surface temperature solar load on windows & equipment Increases:

Reflective Roofs Making The Right Choice Roof Color! Dark Roofs Gain More Heat in in The Summer Much Warmer during Wintertime Are cool in The Summer & Become Much colder during Wintertime Reflective Membranes Fall below Dew Point frequently and remain below Dew Point for Longer Periods Possible Condensation ?

Migration Through unsealed joints in decks, insulation, and gaps around penetrations Caused by differences in vapor pressure that occur with varying temperatures and relative humidity levels. Air Leakage Diffusion Construction vs. Occupancy Generated Moisture !!!

Construction Generated Moisture Moisture resulting from drying of various building products used in construction. Time of construction and project scheduling. Construction Practices Lack of vapor barriers permitting exterior moisture to migrate Influenced by

Hot Humid Air Migrates upward Condensation / Frozen Moisture under White membranes White membranes due to their reflectivity, often fall below the dew point and remain below the dew point for longer periods than darker roofs. Moisture Condenses on Surfaces with temperatures below the Dew Point. Fact Increased Probability of Condensation

Moisture drips in Wintertime Drips at end laps & around penetrations Usually during mid-day on Sunny days

The Effect of Condensation Concrete Decks Steel Decks Gapping, Damaged Facers & Bowed Insulation Moisture drips will result. persistent leak will be experienced

“ Cool” Roof Installation over OSB Deck San Francisco, CA Phil Dregger, PE Western Roofing- Jan/Feb 2012 Dark colored Roof was Replaced w/ Cool Roof Deck temperature falls below Dew Point. Moisture Collected during winter & when Temp. is low. Moisture absorbed by Wood Deck Deck deterioration within 3 years. “Cool” Roofs Cause Condensation – Fact or Fiction?

Use of air /vapor barriers Multiple Insulation layers with joints Staggered Better construction practices to reduce moisture Consider Dehumidification in new construction Seal deck to wall junctions, gaps, and steel deck end laps Addressing Condensation Darker Membranes are more Suited for cold climate Regions.

Save Cooling Energy Reduce demand during Peak hours Declining of reflectivity results in Diminished savings Increase Energy consumption during winter! Increase probability of Condensation during wintertime! Cool Roofs Recap increase ambient air temperature above the roof due to heat deflection.

o Dark membranes are more efficient in cold climates o Increased R-values contribute to greater Energy Savings o Reduce Thermal Bridging to conserve Energy. o Advocate Better Practices “Multiple insulation layers” Improving Energy Consumption Abandon the single component approach & increase focus on the whole assembly ! Carbon Footprint should be based on total energy consumption (heating/cooling)

Energy End-Use Intensities Building Type Heating % of total Cooling % of total Education 33%5% Health Care 55%10% Retail & Service 31%6% Office 24%9% Public Assembly 54%6% Warehouse & Storage 16%1% All Buildings29%6% “Buildings Energy Data Book” September 2007 Adopt Balanced Energy Management Strategies To optimize Savings and Reduce Carbon Footprint

Thank You Balancing Energy Performance