Download - Introduction to Roof Coatings
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Introduction to Roof Coatings
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• Industry Terms
• Calculating Dry Film Thickness
• Adhesion Test Instructions
• Product Chemistry Overview
Presentation Outline
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Industry Terms
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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
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Calculating Dry Film Thickness
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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.
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Adhesion Test Patch Instructions
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Adhesion Test Patch Instructions
Instructions
Adhesion Test Patch
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Product Chemistry Overview
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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
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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
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Asphalt Emulsions
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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
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Aluminum
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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
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Acrylic 211
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High Tensile Acrylic 211
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Problems: This is what acrylic coatings will look like if applied in ponding water situations
Product Chemistry Overview - Potential Acrylic Issues
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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
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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
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Butyl 310
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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
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Silicone 410
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Silicone Walk Path 415
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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
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Aromatic Urethane 520
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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
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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
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Page 12
Red Oxide Rust Prime 912
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Product Chemistry Overview- Accessories
• Polyester Fabric
• Seam Tape
• 3M Roofing Granules
• Walk Path Granules 1100
• Micro Fibers
• Chip Brushes
• Caulk Guns
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Product Chemistry Overview - Wall Coatings
• Acrylic Wall Coat 2000
• High-Performance Elastomeric Wall Coat 2100
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Limitations:
• Cold temperature applications
Benefits:
• Easy to spray
• Easy to clean
Suitable Surfaces:
• Concrete
• Cinder Block
• Brick
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Page 12Page 11New! Wall-Coat Acrylic Wall Coating System
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• Rule 66 Mineral Spirits
• Xylene
Product Chemistry Overview- Cleaning Solvents
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Product Cross Ref Chart
Product Chemistry Overview- Product Cross Reference Chart
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