# MOLYLY Joist Tape, 1-5/8 in x 50 ft, 6 Rolls

Rolls: MOLYLY joist tape is a six-roll, self-adhesive butyl tape listing for deck joists and other building surfaces. Its stated width suits narrower coverage, while the listing's roll-count and item-count fields disagree, so confirm the pack quantity before ordering.

- [Original product page](https://best-deals.pro/product/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [View offer](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- Market: US
- Language: en-US
- Currency: USD
- Brand: MOLYLY
- Category: Tools & Garden > Hardware & Building Materials
- Price: 23.96 USD
- Previous price: 45.99 USD
- Discount: 48%
- Price checked: 2026-11-14T06:40:03.373Z
- Rating: 4.6 / 5
- Reviews: 176

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing describes self-adhesive butyl tape intended for joists, decks, beams, roofs, and sheds.
- The feature text claims flexibility and adhesion from -20°F to 230°F.
- The seller describes cutting the tape to length and applying it to a clean surface.

## Pros

- Six 50-foot rolls would provide multiple lengths to cut for a decking project, if the title's stated pack quantity is accurate.
- The product listing specifies butyl adhesive and describes a waterproofing use for wood framing.
- Customer feedback reports good adhesion, including staying in place during decking installation.

## Cons

- The listed width is 1-5/8 inches, so it offers less coverage per pass than wider joist tapes.

## Specifications

### Identity
- Brand: MOLYLY
### Materials and protection
- Water resistance listed: Waterproof
- Material listed: Plastic
- Adhesive material: Butyl
- Color: Black
- Surface recommendation: Wood
- Item resistance: heat\_resistant, cold\_resistant
### Size and application
- Roll size: 1-5/8" x 50' Joist Tape
- Item thickness: 1.63 inches
- Adhesive format: Wide Roll
- Adhesive side count: 1
- Adhesive location: top of joist

## Before you buy

- The listing is inconsistent about quantity: the title and feature text say six rolls and 300 feet total, while the product details say 4 items and 6 packs. It also lists material as Plastic while describing butyl adhesive, and claims flexibility down to -20°F and up to 230°F without independent confirmation. Verify the selected pack quantity and material description before purchase.

## In the box

- Joist Tape (Included)

## A good fit for

- Deck builders wanting narrow, cut-to-length tape for joists or framing.
- Buyers who prefer rolls of self-adhesive tape and can apply it to a clean surface.

## Less suited to

- Projects needing wider coverage per joist pass.
- Buyers who need a confirmed roll count or independently substantiated temperature-performance limits.

## Customer feedback

Customer feedback is generally favorable about adhesion, quality, functionality, and waterproofing, with some reports that the tape stays in place during deck installation. Customers also describe it as useful for build budgets. Application experiences are mixed, so the peel-and-stick format may still take care to position and handle. This is relevant for a tape the listing says should be cut to length and applied to a clean surface. The positive feedback reflects reported customer impressions, not verification of the listing's waterproof or temperature claims.
- Positive themes: Customers report good adhesion and say it can stay put during decking installation.
- Positive themes: Feedback also praises perceived quality, functionality, waterproofing, and value.
- Mixed feedback: Application receives mixed feedback, with some finding the tape easy to use and others finding it difficult to work with.

## Frequently asked questions

### How many rolls are listed?
The title and feature text describe six rolls of 1-5/8-inch by 50-foot tape, but the product details list 4 items and 6 packs. Confirm the selected listing's quantity before ordering.
### What adhesive does the listing specify?
It identifies the adhesive as butyl and describes the tape as self-adhesive.
### What temperature range is claimed?
The feature text claims the tape withstands temperatures from -20°F to 230°F. This is a listing claim, not an independently verified result.
### What surfaces does the listing mention?
Wood is listed as the recommended surface. The feature text also mentions metal, plastic, and rubber.

## Alternative options

- [ADHES Deck Joist Tape 2 inch, 2" x 50' Weather Resistance & Waterproof \| Butyl Joist Tape for Decking, Deck Flashing Tape, Ideal for Wood Decks Beams Roof, Outdoor Construction Use](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Heelos Deck Joist Tape 6''×50', 1 Pack Weather-Resistant Joist Tape for Decking, Waterproof Seal Antiseptic Butyl Decking Tape,Self-Adhesive Flashing Joists Tape for Wood Decks Beams Roof](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Hanotic Joist Tape for Decking 2'' X 50', 6 Rolls Waterproof Butyl Tape \| Weather Resistanceand Anti-Corrosion, Self-Adhesive Deck Joist Tape for Wood Joists Decks Beams Roof Extend Deck Life](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [CRMCC Deck Joist Tape for Decking 6"x50' Waterproof Butyl Flashing, Black \| Self-adhesive heavy-duty membrane \| seals framing and beams against rain and snow \| built for exterior wood projects](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Heelos Butyl Joist Tape for Decking 2''×50', 6 Pack Weather-Resistant Deck Joist Tape, Waterproof Seal Antiseptic Butyl Joists Tape,Self-Adhesive Flashing Joists Tape for Wood Decks Beams Roof](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [JOAPRIL Butyl Deck Joist Tape 6" x 50' 2 Pack \| Waterproof Self-Adhesive Flashing Tape, Weather-Resistant, Anti-Corrosion, For Wood Joists, Beams And Decking](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Deck Joist Tape, 1-5/8" x 50' Waterproof Butyl Tape, 8-Pack \| Deck Tape, Weather Re...](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Butyl Joist Tape for Decking 2''×50', 8 Rolls Waterproof Deck Tape \| Joist Tape, Wa...](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Butyl Deck Joist Tape 4" x 50' 2 Pack \| Waterproof Flashing Tape, Self-Adhesive, We...](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Joist Tape for Decking 12 Pack, 1 5/8" x 50' Waterproof Butyl Flashing Tape Deck Jo...](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Joist Tape for Decking 2''×50',10 Pack Weather-Resistant Deck Joist Tape,Waterproof...](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Deck Joist Tape 2'' x 50' Flashing for Decking and Beams - Butyl Tape for Building ...](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)

## Add-ons

- [JOAPRIL Butyl Joist Tape for Decking 2''×50', 4 Rolls Waterproof Deck Tape \| Joist Tape, Waterproof and Anti-Corrosion Joists Deck Tape, Self Adhesive Flashing Joists Tape for Wood Decks Beams Roof](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)
- [Oleitodh 2 Rolls Butyl Joist Tape for decking, 6 Inch x 50 Feet \| Weatherproof Butyl Sealant Deck Tape Joist-Beam Deck Joist Tape Bulk for Wood Joists Decks Beams Roof](https://best-deals.pro/visit/molyly-joist-tape-1-5-8-inch-50-foot-6-rolls)

## Images

![MOLYLY Joist Tape, 1-5/8 in x 50 ft, 6 Rolls — 1](https://best-deals.pro/i/-G-I3TV7HsmiCSfyzHoHlCPwCux3V469NnE7SWIC9BWitTQLyAxUmcXBCOuObpR4BSILyVBRdcddS1GJkxxmLoxttt72o1R9uF6gBR5EyJJQ5NmtsM9m.jpg)

![MOLYLY Joist Tape, 1-5/8 in x 50 ft, 6 Rolls — 2](https://best-deals.pro/i/MVhTndm4kqrlLeQ6Gp1qq5ZxIpZvHNNxpMmAFAaIjfJ6gD-qhd4bA48hEszmB3eHqLG7gAof64R5uErsdLASW9RNwBMFM_u6yyhBgvJiAjikJ95l2c2m.jpg)

![MOLYLY Joist Tape, 1-5/8 in x 50 ft, 6 Rolls — 3](https://best-deals.pro/i/GzXwgbBfRN7FcHOzQjLZUQX89Ku85nV54PlLTJU3TfWa2o5b2NTu5_EF4ZMtbiJOmnr_hXTHk6BVibEqqHY0r5zANzmw95OrkKjwO6Upn8FeZBYidErI.jpg)

![MOLYLY Joist Tape, 1-5/8 in x 50 ft, 6 Rolls — 4](https://best-deals.pro/i/pZCwsF-fDTTx3gasOJcc80I6iIb4cJppOdiyCcbaSOoWeiUmzmogr2KXE36QWpdgDyOSviJ_dCqNDTntZK1dwFv8Jed51c-9w6pU6YQG9nFr09JiVFK3.jpg)

![MOLYLY Joist Tape, 1-5/8 in x 50 ft, 6 Rolls — 5](https://best-deals.pro/i/jiBe_BsLqd61qnsDWGLwUluh86BdvEuMbDcSVOtsCK8KhvKl-88TY5yd8EErsZZHDEGHXIh1h_ytSMTKCD30QkUsAwQX0XO8ZYrnNogxOFgZ4ybZUX2H.jpg)

![MOLYLY Joist Tape, 1-5/8 in x 50 ft, 6 Rolls — 6](https://best-deals.pro/i/WtiLRHwgEgUqZ0OLfmuAOu_0Hm__hLgCFvB2rTtMH9XQkjW6flhBF4innXFlxpKXxFx_Uxo7fDOp-Tzp4818G-L0Yxylkxj-WQcD0ur2WvDpIYAa_GLa.jpg)