Waterproof Flanges: The Key to Preventing Water Damage in Your Building

Nill Building Solutions
3 min readApr 6, 2023

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Water damage can be one of the most costly and frustrating issues for building owners and managers to deal with. Not only can it result in expensive repairs, but it can also lead to health hazards such as mold growth and structural issues that can compromise the safety of the building’s occupants. One of the best ways to prevent water damage is by investing in waterproof flanges.

Post System/ Glass Railing Anchor — Stainless Nill Flange (NB1D) Patented
Post System/ Glass Railing Anchor — Stainless Nill Flange (NB1D) Patented

Waterproof flanges are designed to provide a watertight seal between two surfaces, such as a roof and a pipe, or a wall and a conduit. They are typically made from materials such as rubber, PVC, or EPDM and are designed to be durable, long-lasting, and resistant to a wide range of weather conditions.

6" X 6" Aluminum Raised Nill Flange
6" X 6" Aluminum Raised Nill Flange (NB4)

One of the most significant benefits of waterproof flanges is that they prevent water from seeping into the building through gaps or openings around pipes and conduits. This is particularly important in areas of the building that are prone to water intrusion, such as roofs, basements, and bathrooms. Without waterproof flanges, even the smallest gap or opening can allow water to seep into the building and cause damage.

5” X 5” Stainless Nill Flange w/ Countersink holes (NB1AC)
5” X 5” Stainless Nill Flange w/ Countersink holes (NB1AC)

In addition to preventing water damage, waterproof flanges can also help to improve the energy efficiency of the building. By creating a tight seal between two surfaces, they prevent air leaks and drafts, which can lead to increased heating and cooling costs. This can be particularly beneficial in areas of the building that are difficult to insulate or where air leakage is a common problem.

When choosing waterproof flanges for your building, it is important to consider the specific needs of your building and the environment in which it is located. For example, if your building is located in an area with harsh weather conditions, you may need to invest in flanges that are made from more durable materials or that have additional weather-resistant coatings.

GLASS RAILING/ CURTAIN WALL Outside Angle Nill Flange (NB12 Patented)

It is also important to work with a reputable supplier of waterproof flanges to ensure that you are getting high-quality products that are designed to meet your specific needs. Nill Building Solutions is one such supplier that offers a wide range of waterproof flanges that are designed to provide a reliable and long-lasting seal in a variety of applications.

NILL PIPE FLANGE (NBPF) — Nill Building Solutions
Nill Pipe Flange (NBPF)

Overall, investing in waterproof flanges is an excellent way to protect your building from water damage and improve its energy efficiency. By creating a tight seal between two surfaces, these flanges can prevent water from seeping into the building and causing damage, while also reducing air leaks and drafts. If you are looking for a reliable and effective solution to water intrusion in your building, waterproof flanges are definitely worth considering.

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Nill Building Solutions

Nill Building Solutions won Architizers A+ Award for Best Facades-Roofing Product 2019 in both jury and popular votes.