In modern construction, mounting and fastening points represent some of the highest-risk locations for water intrusion. Whether attaching glass railings, façade elements, mechanical supports, or architectural features, penetrations through the building envelope must be addressed intentionally.
Traditional mounting methods typically involve drilling through waterproofed assemblies, installing fasteners after membranes are in place, and applying sealant as a final step. This approach assumes sealant alone can provide long-term protection against water, movement, and environmental exposure.
At Nill Building Solutions, we approach this problem differently. Our patented NILLWAY® Technology is engineered to give designers and builders the ability to waterproof penetrations correctly, rather than relying on surface sealants to compensate for them later.
Waterproofing Happens at the Penetration — Not the Surface
The terms “waterproof mounts” and “waterproof fasteners” are commonly used across the construction industry, but they are often misunderstood.
A mount or fastener is not inherently waterproof on its own. Waterproof performance depends on how the attachment interfaces with the structure, how water paths are controlled internally, and how the system performs over time as the building moves and materials age.
True waterproof performance requires engineered waterproof mounting systems, not surface-applied sealants used after the fact. This is the principle behind NILL’s
Waterproof Mounting Systems, which are designed to protect the building envelope at the point of penetration.
How NILL Enables Waterproof Mounting and Fastening
Rather than drilling and sealing, NILL systems create controlled, protected attachment points that allow waterproofing to be integrated into the detail itself.
NILLWAY® systems are designed to:
- Isolate structural fasteners from moisture paths
- Maintain the integrity of waterproofing membranes
- Integrate structural load transfer and waterproofing into one system
- Reduce reliance on sealants that degrade over time
This approach provides a repeatable, inspectable method for achieving waterproof mounting conditions across a wide range of applications.
Product Solutions That Support Waterproof Mounting
NILL offers multiple product configurations that support waterproof mounting and fastening depending on load requirements and installation conditions.
NB1C™ Series – Structural Waterproof Mounting System
Designed for load-bearing attachments where long-term waterproofing is critical.
NB1C™ Waterproof Mounting System
NB1DM™ Series – Direct-Mount Attachment Solution
A streamlined option for residential, retrofit, and tight edge-distance applications.
NB1DM™ Direct-Mount Attachment
NB1X2™ and NB12™ Series – Multi-Point Structural Mounts
Engineered for higher load demands in commercial and multi-story construction.
NB1X2™ Structural Mount and NB12™ Structural Mount
Each system is designed to support waterproofing at the penetration point rather than relying on post-installation sealant as the primary defense.
Applications Where Waterproof Mounting Is Critical
Waterproof mounting and fastening solutions are especially important in applications exposed to frequent or prolonged moisture, including:
- Glass railings and guardrails
- Balconies and terraces
- Rooftop amenity spaces
- Façade and architectural attachments
For example, in Glass Railing Applications, a single compromised penetration can allow water to migrate into slabs, balconies, or occupied spaces below.
Structural Performance Without Compromising the Envelope
NILL mounting solutions are independently tested to confirm both structural capacity and durability. Testing aligned with recognized standards, including those published by the International Code Council and ASTM, validates that waterproofing performance does not come at the expense of structural reliability.
A Smarter Way to Approach Waterproof Mounting
Rather than asking sealants to compensate for penetrations, NILL provides a method to design waterproofing into the attachment itself.
This allows project teams to:
- Reduce long-term maintenance and callbacks
- Minimize liability and remediation risk
- Improve inspection confidence
- Deliver more durable buildings
Waterproof mounting is not a product claim — it is an engineering outcome.
Enabling Better Waterproofing at Every Penetration
When professionals search for waterproof mounts or waterproof fasteners, what they are truly seeking is a reliable way to protect the building envelope.
By engineering mounting and fastening solutions that enable proper waterproofing, NILL helps eliminate one of the most common and costly failure points in construction.
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