3″ x 100′ Foil Tape, Pressure Sensitive
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Official retailer
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Quality guaranteed
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Free delivery from $99
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Free returns is available
Shurtape SF 685 ShurMASTIC Foil Tape – HVAC-Grade Airtight Sealing
ShurMASTIC SF 685 is an aluminum-foil HVAC tape engineered for permanent air-seal and moisture-barrier applications. With a high-solids, pressure-sensitive adhesive and foil carrier, this tape delivers exceptional adhesion on metal, duct-lined insulation, and other HVAC surfaces—indoor or outdoor.
Key Benefits for Contractors
- Aluminum Foil Backing: Resistant to UV, moisture, odors, and smoke.
- Strong Adhesion: 255 oz/in backing adhesion and 25 in‑lb tensile strength hold tight under pressure.
- Temperature Range: Performs from –20 °F up to 200 °F without detachment.
- Paintable Surface: Compatible with most architectural coatings for a seamless finish.
- High Elongation: 560% elongation allows for expansion and contraction without failure.
Technical Specifications
- Width: 3″
- Length: 100 ft
- Thickness: 17 mils total (foil plus adhesive)
- Backing: Dead-soft aluminum foil
- Adhesive Strength: 255 oz/in (steel)
- Tensile Strength: 25 in‑lb/in width
- Elongation: 560%
- Temperature Rating: –20 °F to 200 °F
Application Guidance
- Apply to clean, dry surfaces; wipe away oils or debris.
- Press firmly along entire length to fully activate adhesive.
- Use a roller for smooth installation on circular or textured surfaces.
Why It’s a Pro Choice
- ✔ Ideal for sealing rigid and flexible ducts, insulation joints, and penetration points.
- ✔ UL 723 flame/smoke rating supports code compliance.
- ✔ Permanent bond resists outdoor exposure and structural shifts.
ShurMASTIC SF 685 combines long-term durability, temperature resilience, and contractor-grade adhesion—perfect for HVAC airtightness and moisture control. Ideal for sheet metal, lined ducts, plenum sealing, and outdoor exposures. Specify SF 685 for professional-grade performance time after time.
Fast, Reliable Delivery for Every Order
At Primes Distribution, we understand that timely delivery is just as important as product quality. That’s why we partner with trusted carriers to make sure your plumbing, HVAC, and heating supplies arrive safely and on time.
Shipping Methods
We offer multiple shipping options to fit your needs:
Standard Shipping: 3–7 business days across the continental U.S.
Expedited Shipping: 1–3 business days for urgent orders.
Local Pickup: Available at our warehouse by appointment.
Order Processing
All in-stock orders are processed within 1–2 business days. You’ll receive a confirmation email once your order is placed and a tracking number as soon as it ships.
Orders placed after 3 PM or on weekends will be processed the next business day.
Shipping Costs
Shipping costs are calculated at checkout based on weight, dimensions, and delivery location. Large or heavy items (like water heaters or HVAC units) may require special freight handling.
Delivery Areas
We currently deliver throughout the United States. For bulk or international shipments, please contact our support team for a custom quote.
Damaged or Missing Items
If your shipment arrives damaged or incomplete, report it within 48 hours of delivery. Our support team will quickly arrange a replacement or refund.
Need Help?
If you have questions about your order or need help tracking a shipment, reach out to our customer support team at:
📧 sales@primesdistribution.com
📞 786-937-7081
