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Roof Drains w/ Overflow

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Parapet Overflow Drain - Roof Drains w/ OverflowParapet Overflow Drain - OFPP4NH - Thunderbird Products
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Parapet Overflow Drain
$46.00
Balcony Deck Drain with Overflow - Roof Drains w/ OverflowThunderbird Balcony Deck Drain with Overflow
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Separate Overflow Drain - Roof Drains w/ OverflowSeparate Overflow Drain - OF4NH - Thunderbird Products
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Separate Overflow Drain
$53.00

We're the #1 trusted supplier of roof drainage and overflow drains in Southern California and all 50 U.S. states. Our drainage solutions are made in the U.S.A. using only the most durable, time-tested materials.

Why Do I Need a Roof Drain with Overflow?

A roof drain with overflow is essential for protecting your property from costly water damage. It acts as a critical backup to your primary roof drain. In heavy rain or if the primary drain becomes clogged, the overflow roof drain provides a secondary escape route for excess water, preventing it from pooling on your roof and potentially causing leaks, structural damage, or even roof collapse. This added layer of protection makes the investment in a roof drain with overflow worthwhile.

Types of Roof Drains with Overflow

We offer a variety of roof drain with overflow options to suit your specific needs and project requirements. These include:

  • Copper Roof Drains with Overflow: Known for their durability, classic appearance, and resistance to corrosion, copper roof drains with overflow are a premium choice for many applications.
  • TPO or PVC Roof Drains with Overflow: These options offer excellent performance and are compatible with TPO and PVC roofing systems. They provide a cost-effective and reliable solution.
  • Stainless Steel Roof Drains with Overflow: Stainless steel roof drains with overflow are highly durable, corrosion-resistant, and aesthetically pleasing, making them suitable for a wide range of projects.
Choosing a Roof Drain with Overflow

Selecting the right roof drain with overflow depends on several factors, including the size and slope of your roof, the local climate, and the type of roofing material you have. Consider these points when making your choice:

  • Drainage Capacity: Ensure the roof drain with overflow can handle the expected rainfall for your area..
  • Material Compatibility: Choose a drain material that is compatible with your roofing system..
  • Overflow Roof Drain Detail: Understanding the overflow roof drain detail, including its placement and connection to the primary drain, is crucial for proper installation and function.

Consult with a professional plumber or roofing contractor to determine the best solution for your project. We offer a variety of options, including Bottom Outlet Roof Drains with Overflow, Balcony Deck Drains with Overflow, and Through Wall Parapet Drains with Overflow. Our Thunderbird drain products are built to last a lifetime with proper maintenance.

Browse superior-quality roof drains with overflow from Thunderbird Products. All overflow roof drains made in the USA.