XFasten Butyl Sealing Tape, Black, 1/8-In x 3/4-In x 30-Foot Plumbers Putty, RV Sealant, Boat Sealing, EDPM Butyl Tape

$16.99

Price observed 2026-08-03. Amazon shows the live price.

Amazon lists it at $19.39, 12% off. That figure is Amazon's, not a price we have recorded.

tools★ 4.7(2,857)on AmazonAmazon’s Choice

XFasten Butyl Sealing Tape

XFasten Butyl Sealing Tape, Black, 1/8-In x 3/4-In x 30-Foot Plumbers Putty, RV Sealant, Boat Sealing, EDPM Butyl Tape

The XFasten Butyl Sealing Tape was $16.99 when we checked it on 2026-08-03. It has not moved from that price across 8 checks since 2026-06-24.

About this item VERSATILE BUTYL PUTTY TAPE. Butyl tape RV is a versatile sealing solution commonly used in construction, automotive, and marine applications. RELIABLE RV WINDOW SEALANT. It is made of a synthetic EDPM rubber material resistant to water, chemicals, and extreme temperatures, making it a reliable choice for sealing joints and seams. COMPATIBLE WITH VARIOUS SURFACES. Butyl sealant tape is easy to use, as it can be applied by hand and adheres to various surfaces, including metal, wood, concrete, and plastic. WATERTIGHT PLUMBERS PUTTY TAPE. This type of RV sealant tape offers excellent adhesion and creates a watertight seal that helps prevent leaks and drafts. FOR EVERYDAY SOLUTIONS. Butyl seal tape is available in different thicknesses and widths to accommodate various sealing n

Editor's note

Butyl tape is the quiet hero of leak repair. You knead it into place by hand and it just stays watertight.

XFasten Butyl Sealing Tape price history

8 weekly checks of our own, from 2026-06-24 to 2026-08-03. Plus 1 monthly point from 2026-06-01, dated before 2026-06-24, bought from a commercial price-history API rather than checked by us. How our price tracking works

$16.99

Jun 1Jun 16Jul 2Jul 18Aug 3

$16.99 at all 9 observations we hold, Jun 1 to Aug 3, 2026.

8 weekly checks of ours1 monthly point dated before 2026-06-24, bought from a commercial price-history API

Every observation (9)

Date	Price	Source
Jun 1, 2026	$16.99	Monthly backfill
Jun 24, 2026	$16.99	Weekly check
Jun 25, 2026	$16.99	Weekly check
Jun 29, 2026	$16.99	Weekly check
Jul 6, 2026	$16.99	Weekly check
Jul 13, 2026	$16.99	Weekly check
Jul 20, 2026	$16.99	Weekly check
Jul 27, 2026	$16.99	Weekly check
Aug 3, 2026	$16.99	Weekly check

About this item

VERSATILE BUTYL PUTTY TAPE. Butyl tape RV is a versatile sealing solution commonly used in construction, automotive, and marine applications.
RELIABLE RV WINDOW SEALANT. It is made of a synthetic EDPM rubber material resistant to water, chemicals, and extreme temperatures, making it a reliable choice for sealing joints and seams.
COMPATIBLE WITH VARIOUS SURFACES. Butyl sealant tape is easy to use, as it can be applied by hand and adheres to various surfaces, including metal, wood, concrete, and plastic.
WATERTIGHT PLUMBERS PUTTY TAPE. This type of RV sealant tape offers excellent adhesion and creates a watertight seal that helps prevent leaks and drafts.
FOR EVERYDAY SOLUTIONS. Butyl seal tape is available in different thicknesses and widths to accommodate various sealing needs, making it a versatile and cost-effective solution for many applications.

Details

Brand Name: XFasten
Item Weight: 2.4 ounces
Other Special Features of the Product: No Residue
Compatible Material: Metal, Rubber, Plastic, Pvc, Glass, Wood, Polycarbonate
Item Dimensions L x W x Thickness: 0.75"L x 0.75"W x 0.13"Th
Size Name: 1/8" x 3/4" x 30', Single Pack
Color: Black

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XFasten Butyl Sealing Tape: common questions

Is the XFasten Butyl Sealing Tape worth it?

Butyl tape is the quiet hero of leak repair. You knead it into place by hand and it just stays watertight. Its Amazon listing shows 4.7 out of 5 stars across 2,857 ratings, which is the retailer's figure and not our verdict.

How much does the XFasten Butyl Sealing Tape cost?

The XFasten Butyl Sealing Tape was $16.99 when we checked it on 2026-08-03. Amazon lists it at $19.39, a price we have never recorded ourselves. Prices change often, so the live retailer link carries the current number.

Is now a good time to buy the XFasten Butyl Sealing Tape?

We have checked the XFasten Butyl Sealing Tape 8 times since 2026-06-24 and the price has not moved from $16.99. Our record shows no drop and no rise.