Technical Bulletins

These bulletins offer concise, easy-to-understand information on common maintenance, repair, installation and weather-related topics affecting both residential and commercial roofs. Note: These documents and their related diagrams are copywritten by ARMA and are for the use of individual visitors to this site. They are not for duplication, distribution or inclusion into other texts without the express written consent of ARMA. Single copies of all ARMA technical bulletins can be downloaded directly by clicking on the title of the Technical Bulletin you need.

Residential Roofing

Click on the bulletin title for more information and a download link.

Asphalt Shingle Recycling FAQs

 

What is asphalt shingle recycling?

It is becoming increasingly common for shingles to be recycled versus being sent to a landfill. Shingle...

Asphalt Shingle Recycling Do’s and Don’ts

Asphalt shingle recycling is becoming very common as an alternative to sending materials to a landfill. Shingle recycling is the process of taking asphalt shingles from roof tear-offs and...

Algae Discoloration of Roofs

For many years, roof discoloration caused by algae has been observed throughout the United States and Canada. The discoloration usually has a brown to black appearance, and may be mistaken for...

Photovoltaic Systems and Asphalt Shingle Roofs

Introduction

Photovoltaic (PV) systems convert sunlight into electricity. These systems have been successfully installed on residential asphalt shingle roofs for many years...

The 2010 Florida Building Code, Residential and Asphalt Shingle Wind Classifications
The 2010 Florida Building Code, Building and Asphalt Shingle Wind Classifications
Coating of Asphalt Shingles After Installation

ARMA strongly advises against the application of any type of field-applied coating over installed asphalt shingles. There are many types and formulations of roof coatings so it is important to...

Self-Adhering Underlayment Removal Prior to Steep Slope Re-Roofing

This document discussed the best practices for removing self adhering underlayment when re-roofing a steep-sloped roof.

 

Self-adhering waterproof shingle underlayment is...

Water Soluble Residue Found on Asphalt Roofing Products (“Tobacco-Juicing”)

The formation of a “tobacco-juice” residue, so named for its color, has been widely attributed to the weathering of asphalt roofing (i.e., roof coatings, base and cap sheets and...

Installation of Self-Adhering Membranes In Steep Slope Roofing

Self-adhering bituminous membranes have commonly been used in sloped (greater than 2:12) roofing for many years. When applied as an underlayment, they are primarily used to help prevent water...

Cold Weather Recommendations for Applications of Asphalt Roofing Shingles

Contains criteria for storage, handling, application and safety in the shingle application process.

Hot Weather Recommendations for Storage and Application of Asphalt Roofing Shingles

Contains criteria for storage, handling, application and safety in the shingle application process.

 

Introduction

Asphalt shingles have been used...

When Does a Shingle Comply with ASTM D3462?

Shingles that are in conformance with ASTM D3462 at the time of manufacture have a proven track record of performance, meeting and exceeding customer expectations.

 

Asphalt...

Sampling Shingles For ASTM Testing

Understanding Why Proper Sampling Provides Credible Results

 

Sampling is the process of selecting material to be tested. For example, ASTM D3462 directs the user to consult...

Color Shading of Asphalt Shingle Roofs

Outline of the primary and secondary causes of color shading. Suggests ways to avoid this purely aesthetic problem.

 

Definition

As a roof is viewed from...

Re-roofing with Metric Shingles

Application guidelines for metric asphalt shingles using either the nesting or bridging method.

Plain Facts About Buckled Shingles

Reviews the causes, prevention and correction of buckled shingles.

 

Description

Buckling is the result of asphalt shingles not laying flat due to the...

Ventilation and Moisture Control for Residential Roofing

Explains why ventilation should be incorporated into roof design.

 

The proper ventilation of attic areas is a very important design consideration. If implemented correctly,...

Application of Asphalt Shingles to Decks Installed over Insulation or Radiant Barriers

Highlights why most manufacturers do not recommend the application of shingles over insulation, insulated decks, or radiant barriers and suggests ventilation methods necessary if this type of...

Recommendations for Application of Asphalt Shingles on Steep Slopes and Mansard Construction

Defines the maximum slope for normal shingle application and suggests different installation methods for slopes beyond that maximum.

 

Over the last few years, architectural...

Preventing Damage from Ice Dams

Installation procedures for eaves flashing over low and steep sloped roofs. Includes illustrations.

 

Snow and ice formations on roofing structures can create ice dams at the...

Use of Asphalt Shingle Underlayment

Gives important reasons for installing asphalt-saturated felt underlayment over wood decks prior to shingle application.

 

There are a number of important reasons for installing...

Nail Application of Asphalt Strip Shingles for New and Recover Roofing

Criteria for proper placement and application of roofing nails.

 

The Asphalt Roofing Manufacturers Association (ARMA) recommends that properly driven roofing nails be utilized...

Re-roofing: Tear Off vs. Re-Cover

Tips on deciding whether or not it is necessary to tear off existing shingles when reroofing.

 

When the time has come to re-shingle an existing asphalt roof, one must decide...

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Modified Bitumen Roofing

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VOC Considerations for Asphalt Roofing

Asphalt Roofs Can Meet VOC Requirements

While volatile organic compound (VOC) regulations have tightened over the years, asphalt roofing products have kept pace. Asphalt...

ARMA Lightweight Structural Concrete Roof Decks Statement

Decks may not be suitable for durable, sustainable roofing systems

The roofing industry is increasingly experiencing roof system performance issues when roof systems are...

Effects of Roof Color and Solar Reflectance on the Accumulation of Moisture in Roof Systems

Introduction:

Moisture content within a roofing assembly may fluctuate significantly over the life of the roof depending on a variety of factors including, but not limited...

Decking Recommendations for Built-Up Roofing and Modified Bitumen Membranes

Introduction

The Asphalt Roofing Manufacturers Association (ARMA) recommends that the structural roof deck meet certain minimum requirements to be an acceptable substrate...

Photovoltaic Systems and Low-slope Commercial Roofs

Introduction

The push toward sustainable building practices has led design professionals to look at roofs as more than just the waterproofing element. They view the roof as...

Self-Adhesive Modified Bituminous Roofing Membranes

Modified bituminous roof membranes continue to be popular option for low-sloped roofs due to their proven performance. Historically these products have been torch-applied, mop-applied using hot...

The Effects of Ponding Water

Ponding water can have major negative consequences, regardless of the type of roofing system. Proper design, installation and maintenance of roofing structures can prevent this condition and its...

Water Soluble Residue from Asphalt Roofing Products ("Tobacco Juicing")

Describes origin of tobacco juicing and the effects this residue may have on modified bitumen roofs. Provides ways to minimize/eliminate residue runoff.

 

The formation of a...

Cold Weather Application Recommendations for Modified Bitumen Roofing

Overview of proper storage, handling and application methods in cold temperatures. Contains information for both torch-applied and hot asphalt-applied products.

 

...

The Effects of Greases, Oils and Chemicals on Modified Bitumen Sheet Materials

Breaks special contaminants into three categories: oils/greases, bacteria/fungi and other chemicals. Adverse effects are highlighted for each category. Includes methods for preventing roof...

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Built Up Roofing

Click on the bulletin title for more information and a download link.

VOC Considerations for Asphalt Roofing

Asphalt Roofs Can Meet VOC Requirements

While volatile organic compound (VOC) regulations have tightened over the years, asphalt roofing products have kept pace. Asphalt...

ARMA Lightweight Structural Concrete Roof Decks Statement

Decks may not be suitable for durable, sustainable roofing systems

The roofing industry is increasingly experiencing roof system performance issues when roof systems are...

Recommendations Regarding Built-Up Roofing Asphalt

Contains information on grade I-IV asphalt as well as suggestions for application and storage.

All grades of Built-Up Roofing Asphalt – Types I, II, III, and IV – should meet...

Decking Recommendations for Built-Up Roofing and Modified Bitumen Membranes

Introduction

The Asphalt Roofing Manufacturers Association (ARMA) recommends that the structural roof deck meet certain minimum requirements to be an acceptable substrate...

Photovoltaic Systems and Low-slope Commercial Roofs

Introduction

The push toward sustainable building practices has led design professionals to look at roofs as more than just the waterproofing element. They view the roof as...

Cold Weather Recommendations for Built-Up Roofing

Introduction

Application of any type of bituminous roofing system in cold weather can be achieved successfully if precautions are taken. Understanding that difficulties,...

The Effects of Ponding Water

Ponding water can have major negative consequences, regardless of the type of roofing system. Proper design, installation and maintenance of roofing structures can prevent this condition and its...

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