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Zero International 8878A 84" Aluminum Door Gasketing with Snap-On Cover
Achieve elite architectural sealing and a flawless profile with the Zero International 8878A 84" Door Gasketing. Engineered for high-end commercial entries, hotel rooms, classrooms, and offices, this surface-mounted perimeter gasketing system provides heavy-duty weather, sound, and smoke protection without sacrificing aesthetics.
The standout feature of the 8878A is its multi-piece construction: it utilizes a high-grade aluminum housing that mounts directly to the frame, which is then capped off with a seamless snap-on aluminum cover. This completely conceals the installation screws, protecting them from tampering and ensuring a sleek, rivet-free architectural look.
Equipped with a flexible, high-recovery Silicone Ring Seal (Bulb), this perimeter gasket ensures low closing force while creating an airtight compression seal against drafts, moisture, exterior noise, and smoke. The Clear Anodized Aluminum finish (A) blends perfectly with standard silver or clear-coated aluminum storefront entries.
Key Features
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Concealed Fasteners (Snap-On Cover): Features a sleek tamper-resistant aluminum beauty cover that snaps directly over the mounting base, hiding all screws for a beautiful, clean architectural appearance.
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High-Performance Engineered Silicone Bulb: Equipped with a 0.250" silicone ring seal that compresses easily and returns to form perfectly. Excellent temperature resistance—won't become brittle in freezing cold or gummy in intense heat.
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Elite Acoustic & Smoke Seal: Ideal for isolating room acoustics (STC rated) and blocking smoke transmission, making it perfect for office partitions, recording spaces, and commercial egress doors.
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Heavy-Duty Architectural Construction: Extruded from 6063-T5 aluminum for exceptional durability against impacts in highly trafficked commercial spaces.
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Clean Anodized Finish: The Clear Anodized (A) coating resists weathering, oxidation, and scratches, ensuring the perimeter stays professional-looking for years.
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84" Length for Standard Frames: Pre-cut at 84 inches (7 feet), making it the perfect size for standard commercial door jamb heights. It can be easily field-trimmed to exact dimensions.
Product Specifications
| Attribute | Specification |
| Brand | Zero International (an Allegion Brand) |
| Model Number | 8878A-84 |
| Type | Surface-Mounted Perimeter Gasket with Snap-On Cover |
| Material | Extruded Heavy-Gauge 6063-T5 Aluminum |
| Finish | Clear Anodized Aluminum (A) |
| Gasket Insert Type | Silicone Ring / Bulb Seal (0.250" projection) |
| Profile Width | 0.295" (Aluminum Base profile thickness) |
| Profile Height | 0.875" (7/8" Total aluminum face width) |
| Length | 84" (7 Feet) |
| Certifications | UL10c Fire Rated, Smoke & Draft Control (Category H), Sound Rated |
| Fasteners Included | TEK screws included (completely hidden after installation) |
Manufacturer Resources
Product Specs
- Commercial/Residential:
- Commercial
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Astragals, Gaskets and Weatherstripping
- Product Type:
- Gasketing
- Department:
- Door Hardware