Butyl Tape - per Box
Contractor-Grade Butyl Sealant Tape
Real-time inventory. No ghost stock, no surprise backorders.
Contractors Also Buy With Butyl Tape
Orders placed before noon EST ship same day via UPS Ground. Typical delivery is 2-5 business days to all 48 continental states. Free shipping on all orders.
3/16": Drip edges, under screws. 3/8": Standard metal panels. 1/2": Heavy lap joints, RV windows. 3/4"-1": Wide flashings, gutters.
Yes. If you find the same product cheaper anywhere, we'll match it. Contact us at (888) 520-8272 with the competitor link.
Easy 1-2-3 returns. Unopened boxes can be returned within 30 days. Contact support for an RMA number, ship it back, and we'll process a refund within 5 business days.
See It In Action
Seeing is believing. Watch how contractor-grade butyl tape performs under real-world conditions.
Built for Pros. Trusted on Every Job Site.
Premium butyl rubber formulation that holds up where cheap tape fails.
Never Hardens or Cracks
Premium synthetic butyl rubber stays permanently elastic. Moves with thermal expansion without losing its seal — for decades.
Instant Waterproof Seal
Zero cure time. Peel, press, and it's sealed. No waiting 24 hours for silicone to set. Your crew keeps moving.
Multi-Surface Adhesion
Bonds metal, plastic, glass, concrete, and fiberglass. One tape for every material on the job site.
Easy-Peel Backing
Thick, tear-resistant release paper that peels off in one smooth pull. No more shredded backing paper sticking to your gloves.
Not All Butyl Tape Is Created Equal
These are real complaints from contractor reviews of hardware store tape. We engineered every one of them out.
The tape is a commodity. The supplier isn't. Free shipping, same-day dispatch, price match, and a phone number that a human answers: (888) 520-8272
Butyl Tape vs. Every Alternative
Contractors try silicone, bitumen, and caulk before they find butyl. Here's why they never go back.
| Feature | Butyl Tape | Others | Silicone Sealant | Bitumen / Asphalt | Liquid Caulk |
|---|---|---|---|---|---|
| Cure Time | Instant — 0 sec | 24-48 hrs | 24-48 hours | Needs heat gun | 24+ hours |
| Thermal Flexibility | Moves with metal | Cracks | Cracks under cycling | No elasticity | Hardens over time |
| Removability | Peels clean | Residue | Stubborn residue | Messy removal | Scraping required |
| Application Cleanliness | Clean peel-and-stick | Messy | Caulking gun mess | Tar-like residue | Drips and waste |
| UV Resistance | Excellent | Degrades | Eventually chalks | Degrades quickly | Yellows and cracks |
| Lifespan | 20+ years | 3-10 yrs | 5-10 years | 3-7 years | 3-5 years |
| Gap Bridging | Conforms to surfaces | Rigid | Small gaps only | Rigid when set | Can't bridge gaps |
| Cold Weather | Works to -40°F | Fails cold | Won't cure below 40°F | Fails in freezing | Won't cure cold |
| Vibration Resistance | Absorbs movement | Breaks | Degrades over time | Cracks under vibration | Breaks bond |
Verdict: Silicone requires curing and cracks. Bitumen is messy and rigid. Caulk wastes time and can't bridge gaps. Butyl tape provides an instant, permanent, elastic seal that moves with your building for 20+ years.
Choose the Right Size for Your Job
Each width is made for specific joint types. Pick the one that matches your application.
| Size | Best For | Price / Box |
|---|---|---|
|
3/16" Bead
48 rolls × 25' |
Drip edges, screw fasteners, thin metal-to-metal seams | $177.87 |
|
3/8" X 3/32"
48 rolls × 45' |
Standing seam panels, panel lap joints, HVAC duct seams | $217.41 |
|
1/2" X 3/32"
20 rolls × 50' |
Heavy-duty lap joints, RV window bedding, marine seals | $161.44 |
|
3/4" X 3/32"
14 rolls × 50' |
Wide flashing seams, gutter connections, skylight flanges | $166.22 |
|
1" X 3/32"
10 rolls x 50' |
Wide flashing seams, gutter connections, skylight flanges | $158.99 |
|
7/8" Double Bead X 3/16"
24 rolls × 25' |
Wide flashings, gutter endcaps, transition joints | $222.58 |
|
2-1/2" Triple Bead X 3/16"
6 rolls × 25' |
Ridge caps, large transitions, commercial flat-to-metal | $127.18 |
Not sure which bead size you need?
Tell us about your project and we'll recommend the right tape. No pressure, no upsell.
Call (888) 520-8272Application Tips From the Field
Get a perfect, mess-free seal every time with these contractor-tested techniques.
Hot Weather? Chill First.
Working above 80°F? Store the roll in a cooler for 15 minutes before applying. Cold butyl peels clean, cuts crisp, and won’t string out on the roof. Your hands stay clean, and the bead holds its shape.
Surface Prep = Seal Quality
Wipe surfaces with mineral spirits and let dry completely before applying. Butyl bonds aggressively to clean metal — but dirt, oil, or moisture under the tape means a weak seal and a callback you don’t want.
Snug, Not Tight
Torque fasteners just until the tape compresses evenly. Over-tightening forces the butyl to ooze out the sides, creating a messy edge that catches dirt. Let the tape do the sealing — the screw just holds it in place.
48 Rolls. One Box.
1,000+ Feet of Seal.
1,000+ Feet of Seal.
Each box ships with individually separated rolls on wax paper dividers. No fused rolls, no crushed tape, no wasted material. Open the box and start working.
Technical Details
| Material | Synthetic butyl rubber compound |
| Color | Gray / Black |
| Temperature Range | -40°F to 250°F (-40°C to 121°C) |
| Cure Time | None — instant mechanical seal |
| Adhesion Surfaces | Metal, glass, plastic, concrete, fiberglass, wood |
| UV Resistance | Excellent — no chalking or hardening |
| Water Resistance | 100% waterproof upon application |
| Elongation | >300% (high flexibility) |
| Shelf Life | 2+ years when stored at room temperature |
| Packaging | Rolls packed in crush-proof box with wax paper dividers |
Need the Spec Sheet?
Download the full technical data sheet for architect submittals, bid documentation, and engineering approvals.
Download Spec Sheet (PDF)What Contractors Say
Got my product fast!
"I ordered on a Monday and got my butyl tape Wednesday! Quality is really good."
Great product
"This was just what I needed. It worked like a charm."
Muy rápidos y muy bien
"Muy rápidos y muy bien llegó mi pedido. Muy bien todo."
Great sealing tape!
"Used it for sealing joints in my greenhouse, and it worked wonders."
Top-quality tape!
"Used it for sealing cracks in my RV roof, and it worked perfectly."
Asking for a review of product not received
"How can you be asking for a review of a product I haven't received yet..."
Frequently Asked Questions
For metal roofing, HVAC, RV, and marine applications — yes. Butyl tape provides an instant waterproof seal with zero cure time, stays permanently flexible (moves with thermal expansion), and peels clean for future repairs. Silicone requires 24+ hours to cure, eventually hardens and cracks, and leaves a stubborn residue that makes future work a nightmare.
3/16" Bead: Drip edges, under screws, light metal-to-metal joints. 3/8" Standard: Most metal roofing panels, standing seam joints, HVAC ducts. 1/2" Heavy-Duty: Thick lap joints, RV window bedding, marine seals. 3/4" & 1" Wide: Wide flashing seams, gutter connections, skylight flanges. Double Bead: Wide flashings and gutters. Triple Bead: Ridge caps and large transition panels.
Absolutely. Butyl tape is the industry standard for RV roof sealing, window bedding, and marine through-hull fittings. It absorbs road vibration and hull movement without losing its seal, and it's easy to remove for future maintenance — unlike silicone which bonds permanently and leaves residue on fiberglass gelcoats.
Store the roll in a cooler or refrigerator for 15-20 minutes before applying. Cold butyl tape peels cleanly, cuts crisp, and holds its shape on the roof. In cold weather (below 40°F), warm the tape slightly with a heat gun to soften it for easier molding. Always clean the surface with mineral spirits and let it dry completely before application.
Yes. Volume discounts are built into our pricing: 3-5 boxes save 5%, 6-9 boxes save 8%, for 10+ boxes 12%. Call us directly at (888) 520-8272 for custom pallet pricing. We also offer a Price Match Guarantee if you find the same product cheaper anywhere, we'll match it.
Orders placed before noon EST ship the same day via UPS Ground. Shipping is FREE to all 48 continental US states. Typical delivery is 2-5 business days depending on your location. If you need expedited shipping, contact us and we'll arrange it.
Butyl tape is designed for metal, glass, plastic, concrete, and fiberglass surfaces. For EPDM rubber roof patches, we recommend using EPDM-specific adhesive products. Butyl tape excels as a foundational seal beneath metal panels and flashings, not as a surface patch on rubber membranes.