• Arizona Chapter National Safety Council


Help! I am Afraid of a Bee

Within the past few months in my CPR and first aid classes I have had construction workers say they have epinephrine pens because they have severe allergic reactions to bees. What really disturbs me, in one class, one guy said that he told his coworkers where his pen is, and that one bee sting can kill him and his coworkers started making jokes out of it.  This type of allergic reaction is...

Get Your Home Ready to Sell

Advice for Parents Who Need to Get Their Home Ready to Sell

(And Keep It That Way)


Selling a home is a full-time job from the time you begin prepping for the sale until you move out. If you’re a busy parent, it may feel impossible, but getting your home ready for sale and keeping it in tip-top shape is doable. There are...

Gallons per square or mil thickness which is better?

Which is it?  Gallons per square or dry mil thickness.  If you ever had a roof coated or coated a roof, you should have heard one or both of these terms. "Gallons per square" and or "mil thickness."  

Let's start by talking about how the coating works. To do that, I am going to use acrylic coating as my "coating." Since it is the most commonly used coating material, often referred to as...

Shingle Roof Systems

Common roof systems in Arizona: 

The asphalt single

The manufacturing process

Asphalt shingles are manufactured by embedding a fiberglass mat in modified bitumen, then surfaced with a blend of colored mineral granules, both for protecting asphalt and providing a pleasing appearance.

3-tab shingles named for their appearance having 3 tabs are standard...

Concrete Tile Roof System

The manufacturing process

Concrete Tile is manufactured using a mixture of smooth and combined with sharp jagged sand made from pulverized rock and reground tile that failed the manufacturing quality control process. The mixture is run through a series of tests to assure its quality mixture. The mixture is added to cement and water, along with color additive to make concrete. Which is...

Clay Tile

Common roof systems in Arizona: The Clay Tile Roof System

Clay is a natural resource that has been used for centuries to form all sorts of things out of, from pots to figuring and roof tile. When the clay is formed correctly and cured, it makes a beautiful roofing material, since clay is common in the southwest we see clay being used in roofing going back for centuries. Clay roof tile...

Specifications, Scope of work, Industry Standards, Arizona Workmanship Standards, Building Code, and All the Above

Specifications, Scope of work, Industry Standards, Arizona Workmanship Standards, Building Code, and All the Above


In this article, we will discuss the differences between a job specification, scope of work, industry standards, Arizona workmanship standards, and the building code. Knowing the differences, similarities, and how each applies to your project will help you...

What to really expect when you hire a roofing contractor

What to expect when you hire a roofing contractor

In a perfect world you would call a roofer out, they would provide you with an honest and fair bid. You accept, and they show up on time, with the right materials, a well-trained crew and do a fantastic job. Your new roof looks great and never leaks. Sounds pretty good, right? And that is sort of how roofers make it seem it is going to be....

The Ugly Truth About Roof Warranties

The Ugly Truth About Roof Warranties

When discussing roof warranties, it is very important that you keep a few things in mind from the very start. Roof warranties are most often written by lawyers who are not thinking of your best interest. The word 'warranty" is used as a marketing buzz word and any warranty, no matter how well written is only as good as the company who issued...

Arizona Workmanship Standards


Full version attached as a pdf

Every contractor in Arizona is obligated by law to follow the Arizona workmanship standards. Keep in mind that some manufacturers and code may differ, and these are minimum standards. The very bottom of quality standards.

The following are portions of the standards that are relevant to the roofing and waterproofing industry.