Construction Silicone Products

Durable, Flexible Materials for Harsh Outdoor Conditions

From high-rise curtain walls to residential weatherproofing, building materials demand strength, flexibility, and long-term environmental resistance.

At InterSil, we specialize in custom silicone products for the construction industry — formulating high-performance compounds that meet the structural and sealing demands of today’s complex builds.

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Custom Formulations for Construction Applications

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Weather Resistance

Withstands UV, rain, humidity, and extreme temperatures — ideal for exterior and long-term sealing.
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Adhesion to Building Substrates

Bonds reliably to glass, aluminum, masonry, concrete, and composite materials without primers.
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Elasticity and Joint Movement

Maintains flexibility and elongation in moving joints to prevent cracking and failure over time.
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Mold and Mildew Resistance

Formulated to resist fungal growth in wet or humid environments — ideal for both interior and exterior use.

Common Construction Applications

Here are 6 core uses of our custom silicone products in the construction industry — formatted to match your design:

Glazing and Curtain Wall Seals

Our silicone products maintain flexibility and adhesion in dynamic joints, delivering long-term sealing for glass façades, curtain walls, and architectural glazing systems.

Expansion Joint Fillers

Formulated to handle movement and compression without tearing or losing elasticity, our silicones are ideal for vertical and horizontal expansion joints in commercial and industrial structures.

Roofing and Flashing Seals

Our materials provide UV-resistant, waterproof seals that withstand temperature fluctuations and building movement — ensuring reliable performance in flashing, skylights, and roof transitions.

Window and Door Gaskets

InterSil products offer excellent compression set resistance and weather sealing, helping reduce air and water infiltration around framing, tracks, and thresholds.

Firestop and Smoke Seals

We offer flame-retardant silicone products designed for construction applications that require compliance with fire safety standards and smoke resistance in high-risk zones.

Precast and Concrete Panel Seals

Our custom materials bond well to concrete, steel, and stone — with weathering resistance and elongation properties that accommodate shifting and settling in precast systems.