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Large Box Title

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SMALL BOX TITLE HERE

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roofer's foot next to a roll of single-ply membrane
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Single Ply Best Practices

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Asphaltic & Mod Bit

roofer assembling hybrid roof
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HYBRID ASSEMBLIES

two roofers applying liquid roof
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LIQUID APPLIED ROOFS

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A roofer from Summit Roofing kneels, using a heat welding tool and roller to seal a PVC pipe on a commercial roof.
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Best Practices for Single Ply Roofs
Roofing crew adhering sections of coverboard to a commercial roof.
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Low Slope
Roofing 101
Drone shot of the various stages of roof build in progress on a large commercial roof project.
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Roofing 101 - Article
Austin Hose Project roof aerial view
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Austin Hose
Project
Three engineers in safety vests and hard hats walking over an installed membrane on a commercial roof.
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Single-Ply Roof Membrane Types
Crew of roofers installing the layers of a commercial roof.
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Understanding Layers of a Roof
View of the Stanley Center for Peace & Security showing the completed roof.
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Single-Ply Membrane Types
Close up of an attachment method of fasteners in coverboard on a commercial roof.
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Attachment Methods
Aerial view of roofing experts Dave Scott and Wally Brown walking through a roof inspection.
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Spring Roof Maintenance
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Single-Ply Best Practices

Two roofers in hardhats on their knees placing PVC membrane.
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PVC vs. TPO

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TPO Blog
Rendering of the architectural details on a commercial roof.
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Architectural Details Videos
Roofing experts Dave Scott and Wally Brown.
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Installation Best Practices
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TPO

Three roofers in safety gear atop the Savannah Convention Center installing PVC membrane.
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Specifying
PVC
Two engineers in safety gear having a conversation atop the Savannah Convention Center during a roof install.
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Understanding ASTM D 4434
Aeriel photo of the Savannah Convention Center.
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Savannah Convention Cntr
Industrial rooftop with HVAC equipment, tall vent pipe, and gridded walkways under a clear sky.
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PVC KEE and Polymer Content
Unveiling the science behind PVC Kee & Kee Membranes.
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The Science Behind PVC
Roofer in safety gear atop the Savannah Convention Center cutting sheet of PVC membrane.
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What to Know About PVC
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YouTube Video
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PVC

Aerial view of New York Life building.
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Modified Bitumen Roof Assemblies
Detail of a durable asphaltic roof system under a blue sky.
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Durability from a Timeless Product
Aerial view of a Modified Bitumen Roof Assembly at Swedish Issaquah Hospital.
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Swedish Issaquah Hospital
Aerial view of a building with asphaltic roof system, and word 'mosaic' visible.
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Asphaltic Roofing Systems
Roof crew applying hot rubberized asphalt.
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Hot Rubberized Asphalt
Closeup of SBS-modified bitumen membrane being applied to a commercial roof.
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The Science Behind SBS
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Asphaltic & Mod Bit

Detail of the layers of a hybrid roof system, one folded over.
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Get To Know Hybrid Roofs
Hybrid roof system application using Parasolo KEE Membrane
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Advantages of a Hybrid System
Model of the layers of a Hybrid Roof Assembly.
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Are Hybrid Roofs Worth the Hype?
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Hybrid Assemblies

White dramatic curve of a commercial roof with liquid sealant.
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Going
Seamless
Neat detail of PMMA Roof Membrane in place with other hvac mechanical installation on roof under a blue sky.
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PMMA Roof Membranes
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Liquid Applied Roofs

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COVERBOARD

Overhead view of a roofter in hard hat placing sections of coverboard.
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The Basics of Coverboards

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Why do I need a Coverboard

Two roofers next to sections of HD Polyiso insulation in place.
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HD Polysio Coverboards

Multiple white buckets weighing down newly installed polyiso insulation.
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HD Polyiso vs. Gypsum

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COVERBOARD

Closeup of a roofers gloved hands on the corner of a thick section of insulation.
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Types of Insulation

roofer in hardhat bending over a roof install
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Polyiso Insulation

roofing crew in hardhats stepping in unison on lightweight insulation
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Lightweight Insulating Concrete

Worker installing a large building panel into a floor opening surrounded by other panels.
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Tapered Insulation Design

Roofing crew adhering sections of coverboard to a commercial roof.
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Low-Slope Roofing 101
Roofer using a cart to move a roll of roofing insulation.
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Proper Design of a Roof’s Insulation
Two roofers in hard hats laying out sections of insulation.
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Roof Insulation Types
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Types of Insulation

Overhead view of roofing crew in hard hats laying down coverboard.
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High Density Polyiso
Detail of Non-halogenated (TCPP-free) Polyiso.
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TCPP Free Polyiso Insulation
Two men closely inspecting polyiso sheet.
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Types of Polyiso
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Polyiso Insulation

Roofers applying lightweight insulating concrete with hoses under a blue sky.
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LWIC FAQ
Roofer standing in wet concrete, installing roof acoustic panels
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Acoustic Roof Design
View of the Pittsburgh Highline with skyline of city in the distance.
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Thermal
Values
Aerial view of Dougherty County Jail.
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Dougherty County Jail
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Lightweight Insulating Concrete

Two engineered demonstrating tapered insulation by rolling yellow balls over the surface in a test setting.
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Tapered Fundamentals
Man holding up a section of tapered insulation as another man looks on.
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Go With the
Flow
Engineer walking next to yellow balls rolling over a section of tapered insulation.
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Tapered Design Layouts
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Tapered Insulation Design

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Roofer unrolling vapor retarder with foot
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AB & VR for Roofs

Modern commercial building construction, side view of glass and wood details over walls.
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AB & VR for walls

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Man in bright yellow tshirt marking measurements on a PVC pipe coming our of an AW barrier.
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Introduction to Air & Water Barriers
Close up of siplast SA Vapor Retarder on roof.
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Vapor Barrier Basics
Modern commercial building construction.
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Future-Proofing with AWBs
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AB & VR for Walls

Four roofers unrolling vapor barrier onto  a commercial roof.
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Durability & Efficiency AB/VR
Closeup of part of the air barrier install process.
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Air Barriers & Vapor Retarders
Roofer smoothing vapor retarder with a roller.
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Untangle AB & VR
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YouTube Video
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AB & VR for Roofs

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COVERBOARD

Solar powered roof on commercial building overlooking a city skyline
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Commercial Rooftop Solar

roll of green roofing plant-based material
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Green Roofs & Occupied Space

rendering of a stormwater management system cross section
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Stormwater Management

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Closeup of blue solar panels on a commercial roof with a city skyline in the distance all under a sunny blue sky.
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Nuts & Bolts of Design
Black solar panels between skylights on a commercial roof.
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Design Considerations
Aerial view of a photovoltaic roof systems.
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Photovoltaic Roof Systems
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Commercial Rooftop Solar

Overhead view of an overburden assembly at a large commercial building.
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Overburden
Urban green rooftop garden with trees, bushes, shrubs in the city.
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Designing for Roof Overburden
Growing plants in neat rows as part of a green vegetative roof.
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Vegetated Roof Design
David L. Lawrence Convention Center green roof space.
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Lawrence Center
Aerial view of Jacob K. Javits building.
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Javits Convention Center
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Green Roofs & Occupied Space

Aerial view of the Javits Center and its green roof solution.
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Management Solutions
Aerial view of the Javits Center with barge on water in distance.
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Resilient
Design
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Stormwater Management

Solar roof on a commercial building
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General Information

entrance to GAF company location
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Embodied & Total Carbon

two roofers unrolling membrane on commercial roof
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Case Studies

Solar energy configuration on a group of roofs
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Documents & Resources

Aerial view of a commercial roof with major weather damage.
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Resilient & Adaptable Roofs
Closeup of the corner of an apartment building roof.
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Managing Risk & Resilience
Roofer in orange sweatshirt and red hard hat carrying coverboard on a roof.
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Achievable Goals for Sustainability
Roofer in hard hat unrolling membrane on a roof.
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Improving Energy Efficiency
Crane lowering large load of roofing supplies onto a commercial job with roofers in hard hats guiding.
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Benefits for the Bottom Line
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General Information

Closeup of insulation segments on a commercial roof.
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Invest to Reduce Total Carbon
Roofer standing on coverboard and vapor retarder.
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Operational Carbon
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Operational Carbon
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Embodied & Total Carbon

Kiowa County Commons solar panel system.
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Kiowa County Commons
Stanley Center for Peace & Security.
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Stanley Center for Peace & Security
10 World Trade view from a distance through trees under a blue sky with billowy cloud.
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10 World Trade Case Study
Goodwill of the Great Plains Headquarters.
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Goodwill of the Great Plains HQ
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Case Studies

GAF logo on white water tower at dusk with GAF building lit up in distance.
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Scaling Product Declarations
GAF Building with an overlaid globe icon.
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Product Spec Advisor
GAF Building overlaid with USGBC logo.
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Meeting LEED Requirements
GAF Building overlaid with a logo for Living Building Challenge.
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Meeting LBC Requirements
GAF Building overlaid with word WELL.
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Meeting WELL Requirements
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Documents & Resources

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Swedish Hospital in Issaquah, WA
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Education / Institutional

Roof of cold storage facility
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Cold Storage

Overhead view of an expansive data center.
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Data Centers

Emergency Room entrance.
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Hospitals

two engineers kneeling to inspect a white roof surface
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Historic Preservation

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Aerial view of roofing project at Doña Ana Elementary School.
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Schools & Hospitals
AWBs being added to an educational structure.
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AWBs for Education
Overhead view of the Texas A&M University campus.
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School Roof Resources
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Education / Institutional

Side of a blue facility marked COLD STORAGE.
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Cold Storage Roofing
Dave and Wally discuss the unique demands placed on the roofing and enclosure systems of cold storage facilities.
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Intro to Cold Storage Systems
Saputo Cheese USA cold storage facility roof by GAF.
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Cold Storage Resources
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Cold Storage

Data center roof assembly in progress.
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Advantages of Hybrid Systems
An aerial photo of a data center.
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Data Center Roof Resources
Drone image of two roofers installing ISO board.
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Data Center Roof Design
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Data Centers

A flat commercial roof installation in progress.
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Hybrid Roof Systems
Healthcare and hospital roofing solution in progress.
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Hospital Roof Resources
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Hospitals

New York State Capitol Building
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New York State Capitol
Overhead view of a historic property image with roof open to show interior.
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Preservation Resources
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Historic Preservation

COVERBOARD

Residential home roof covered in blue protective covering.
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Roof Protection from Storms

Aerial view of a multi-family property.
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Multi-family RESOURCES

Aerial view of Avalon Bothel Commons.
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Avalon Bothel Commons

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Commercial roof with pooling water.
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Moisture Management

Birds eye view of two roofers unrolling membrane
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Building Science

Edge metal cross sectional rendering
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Edge Metal

Worker torching black roofing material around a skylight on a white roof.
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Details

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Group of white flags  blowing in the wind under a blue sky.
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Simplifying Wind Design
Testing for Wind Resistance of Retrofit Single Ply Over Metal Panel Systems.
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Physical Testing for Resistance
View of a hotel roof with palm trees, beach and ocean in the background.
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ASCE 7-22 Summary
An architect inspects the roof of a commercial building.
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Wind Design Tips & Tools
Dramatic photo illustration of a powerful storm over a cityscape.
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Tornado Loads in ASCE 7-22
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Wind

Closeup photo of large round pieces of hail.
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Designing for Very Severe Hail
Closeup photo of large round pieces of hail.
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Defending Against Very Severe Hail
Glass Mat Roof Board system cross section.
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Explore Hail Rated Systems
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YouTube Video
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Hail

Two workers in hard hards on ladders inspecting moisture damage on a building.
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Moisture Movement
Water pooling on an installed roof membrane.
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Mitigating Water on Roofs
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Moisture Management

colorful thermal reading screen
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Building Science for Architects
building covered in fig vines
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Introduction to Building Science
aerial image of acoustic roof design
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Acoustic Roof Design
snow partially melting on a commercial roof
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Thermal Bridging & Fasteners
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Building Science

Corner of low-slope edge metal.
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Wind Tunnel Testing
two skilled roofers installing a portion of edge metal
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Edge Metal Design Wall Zones 4 & 5
rendering of a cross section of composite insulation
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How to Install Coping
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Edge Metal

parapet cross section
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Parapet Parodies
Closeup of a roof-to-wall transition.
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Solving Roof to Wall Details
Closeup of flashing around a pipe.
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Durable Details
Roofing Flashing Application.
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Waterproofing Roof Details
Siplast WALLcontrol™ product install.
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Roof to Wall Transitions
Closeup of a flashing application.
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Compatibility of Roofing Materials
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Details

asphaltic roof material unrolling

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CONTACT OUR TEAM

Eagle Rock Elementary playground.
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Cool Coatings

Crew hot applying rubberized asphalt to a commercial roof.
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Below-grade

Closeup of a roller applying coating to a traffic walkway.
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Walkways & Traffic Coatings

asphaltic roof material unrolling

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CONTACT OUR TEAM
Community members applying solar-reflective coating to public hardscape.
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Mitigating Urban Heat Islands
Workers with Streetbond apply a reflective paint to the basketball court at the SAE School in Mableton to reduce heat . Credit: Natrice Miller
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Reducing Heat on Playgrounds
Colorful crosswalks in Padova, Italy.
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Design Inspiration
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Cool Coatings

Below-grade waterproofing system application at Rockefeller Center.
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System Factors to Consider
A contractor applies below-grade waterproofing.
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Types of Below-Grade
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Below-grade

Close view of top of the Space Needle in Seattle.
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Space Needle
Traffic coating on parking rooftop.
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What is a Traffic Coating?
PMMA applied to a roof's surface with pedestrian access.
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PMMA for High Traffic Areas
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Walkways & Traffic Coatings

Tools & Resources

Trusted Links:

3-Part Specifications:

Build Your Roof:

QuickMeasure:

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Contact Us

Group of photos of the GAF Siplast Contacts by region.
GAF Senior Director, Building & Roofing Sciences, Jennifer Keegan.
GAF Building Science Technical Insights Lead, Andrea Wagner Watts.
GAF Director of Design Outreach, Erin Andes.
GAF Building Science Education Content Manager, Taylor Schenker.
Group of photos of the GAF Siplast Contacts by region.
GAF Building Design Manager, Matt Braun.
GAF Specified Solutions Advisor, Kristina Sigmund.
GAF Building Design Manager, Tim Clepper.
GAF Specified Solutions Advisor, Trevor Hair.
GAF Building Design Manager, Jason Conley.
GAF Specified Solutions Advisor, Chelsey Line.
GAF Building Design Manager, Michael Popeck.
GAF Building Design Manager, Mary Beth Reed.
GAF Building Design Manager, Mary Beth Reed.
GAF / Siplast Building & Roofing Science logo