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Resource Library

Resources

How to Unclog a Roof Drain
Recognizing the signs of a clogged roof drain early is crucial for timely intervention.

The Importance of Hole Covers in Construction
Equip your site with durable, easy-to-install hole covers for assured construction safety.

Understanding Positive Drainage
Achieving positive drainage is vital in every flat roof design.

California SB721 and SB326
These bills have significant implications for commercial developers, builders, and contractors.

The Benefits of Keeping Your Roof Drainage System in Pristine Condition
Proper roof drainage maintenance, such as cleaning and repairing any leaks, can ensure that the system functions at its best.

Roof Pitch & Ventilation
If you're installing vents on your roof, you should take the time to learn how roof pitch can affect them.

Vent Details

Download the latest product drawings and CAD files for Thunderbird Products vents and more.


Drain Details

Download the latest product drawings and CAD files for Thunderbird Products drains and more.


Roof Drain Calculations
In just five simple steps, you’ll have your roof drain calculation.