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