introduction to roof coatings
TRANSCRIPT
Introduction to Roof Coatings
• Industry Terms
• Calculating Dry Film Thickness
• Adhesion Test Instructions
• Product Chemistry Overview
Presentation Outline
Industry Terms
Other Critical Terms
• Mil
• Wet mil thickness
• Wet mil gauge
• Dry film thickness (DFT)
• Field adhesion test
• Batch retain
• Detail drawing
• Fluid-applied system
• Stretch factor
• Waste factor
Data Sheet Terminology
• Solids by volume
• Elongation
• Tensile strength
• Cure time
• Dry time
• Emissivity
• Flash point
• Permeance
• Reflectivity
• Solids by weight
• VOCs
• Water absorption
Industry Terms
Viscosity
• Spray-grade
• Brush-grade
• Butter-grade
• Flashing-grade
Elastomeric Coatings
Industry Terms Defined
Calculating Dry Film Thickness
Calculating Dry Film Thickness (DFT)
Page 04
1 gallon per 100 sq. ft. of any coating or primer = 16 wet mils
What’s left over after the liquid evaporates are the solids that make up the DFT.
Adhesion Test Patch Instructions
Adhesion Test Patch Instructions
Instructions
Adhesion Test Patch
Product Chemistry Overview
Product Chemistry Overview Coatings Chemistry
Available in the Industry
• Asphalt Emulsion
• Aluminum
• Acrylic
• Butyl
• Silicone (Standard & High Solids)
• Single Component Urethane (Aliphatic & Aromatic)
• Primers & Accessories
Benefits, limitations, and suitable substrates
Product Chemistry Overview – Asphalt Emulsions
Suitable Surfaces:
• Modified bitumen
• Smooth BUR
• Gravel BUR
Limitations:
• Water-based, can freeze
• Cold temperature applications
• Non-Fibered Emulsions
• Fibered Emulsions
Benefits:
• Inexpensive
• Water-based, easy clean up
• Fills in “alligatoring” and small cracks
• Can be used with fabric to seal large areas
Asphalt Emulsions
Page 8
Product Chemistry Overview - Aluminum
Suitable Surfaces:
• Modified bitumen
• Smooth BUR
• Metal
Limitations:
• Not for waterproofing
• Not as reflective as white
• Less energy efficient than white
• Limited life span
• Non-Fibered Aluminum
• Fibered Aluminum
Benefits:
• Inexpensive
• Gives contractor another option
• Self-priming over light rust
Aluminum
Product Chemistry Overview - Acrylics
Suitable Surfaces:
• Metal
• Modified bitumen
• Single-Ply
• Smooth BUR
• SPF
Limitations:
• Ponding water
• Cold temperature applications
• Acrylic 211
• High Tensile Acrylic 211
• KyGard Ultra 215
• Acrylic Brush-Grade 220
• Acrylic Butter-Grade 221
• Acrylic Flashing-Grade 222
• Acrylic Skylight Sealer 230
Benefits:
• Easy to spray
• Easy to clean
• Economical
Acrylic 211
High Tensile Acrylic 211
Problems: This is what acrylic coatings will look like if applied in ponding water situations
Product Chemistry Overview - Potential Acrylic Issues
KyGard Ultra 215 is a semi-gloss, single-component,
water-based flexible fluoropolymer coating for spray
application. It is designed to be a low-build protective
coating that provides unsurpassed weathering, abrasion
resistance, color fastness, and dirt pick-up resistance
Product Chemistry Overview – KyGard Ultra 215
Page 11
Limitations:
• Do not apply too heavy or it will crack at stress points
Benefits:
• Semi-gloss
• 10 year color fade warranty
• Water-based
• Easy to spray
• Easy clean up
Suitable Surfaces:
• Metal
• Spray polyurethane foam
• Single-Ply
• Built-up
• Modified bitumen
Page 9
Product Chemistry Overview - Butyls
Suitable Surfaces:
• Metal
• Modified bitumen
• Single-Ply
• Smooth BUR
• SPF
Limitations:
• Low solids content
• Can be challenging to spray
• Needs acrylic top coat to stay bright white
• Butyl 310
• Butyl Brush-Grade 320
• Butyl Flashing-Grade 321
Benefits:
• Extremely high elongation
• Fast drying
• Great for repairs
• Can be used as a vapor retardant over SPF
• Very low perm rating
Page 09
Butyl 310
Product Chemistry Overview-Silicone
Page 10
Suitable Surfaces:
• Metal
• Modified bitumen
• Single-Ply
• Smooth BUR
• SPF
Limitations:
• Easily attracts dirt
• Can be challenging to spray
• Very slippery when wet
• Silicone 410
• High Solids Silicone 412
• Silicone Walk Path 415
• Silicone Brush-Grade 422
Benefits:
• The best UV stability
• Wears much slower
• Moisture cured
• Fast drying
• Cannot be washed off by rain
• Able to withstand ponding water
Page 10
Silicone 410
Silicone Walk Path 415
Product Chemistry Overview- Urethanes
Page 10
Suitable Surfaces:
• Metal
• Modified bitumen
• Single-Ply
• Smooth BUR
• SPF
Limitations:
• Can be challenging to spray
• Xylene-based – harsh on equipment
• Always curing – even in the pail
• Aliphatic Urethane 510
• Aromatic Urethane 520
• Urethane Brush-Grade 522
Benefits:
• Extremely durable
• Better adhesion qualities
• Moisture cured
• Fast drying
• Cannot be washed off by rain
• Able to withstand ponding water
Page 10
Aromatic Urethane 520
Terminator 622 and 624XT are technologically
advanced, 100% solids, moisture cure
sealant/adhesive. This high-strength, versatile product
has excellent elasticity and adhesion, making it ideal
for repairs..
Product Chemistry Overview Terminator 622 & 624XT
Limitations:
• No spray-grade version
Benefits:
• Applies and cures under water
• Better adhesion qualities
• Adheres to silicone
• Moisture cured
• Fast drying
• Cannot be washed away by rain
• Able to withstand ponding water
Suitable Surfaces:
• Metal
• Modified bitumen
• Single-Ply
• Smooth BUR
• SPF
• Concrete Page 11
Product Chemistry Overview- Primers & Cleaners
Page 12
Limitations:
• One product does not solve all priming issues
• Acrylic Bonding Primer 905
• Red Oxide Rust Prime 912
• EcoCleaner 925
• Fabric Bond 930
• SBS Primer 950
Benefits:
• Cures and prevents rust
• Promotes adhesion
• Used to install fabric
Suitable Surfaces:
• Metal
• Modified bitumen
• Single-Ply
• Smooth BUR
• SPF
• Concrete
Page 11Page 12
Page 12
Red Oxide Rust Prime 912
Product Chemistry Overview- Accessories
• Polyester Fabric
• Seam Tape
• 3M Roofing Granules
• Walk Path Granules 1100
• Micro Fibers
• Chip Brushes
• Caulk Guns
Page 12Page 11age 12
Product Chemistry Overview - Wall Coatings
• Acrylic Wall Coat 2000
• High-Performance Elastomeric Wall Coat 2100
Page 12Page 11
Limitations:
• Cold temperature applications
Benefits:
• Easy to spray
• Easy to clean
Suitable Surfaces:
• Concrete
• Cinder Block
• Brick
Page 12Page 11New! Wall-Coat Acrylic Wall Coating System
• Rule 66 Mineral Spirits
• Xylene
Product Chemistry Overview- Cleaning Solvents
Product Cross Ref Chart
Product Chemistry Overview- Product Cross Reference Chart
For more information, visit our website:
www.americanweatherstar.com