# DIY Doctor D-BUT Butyl Waterproof Tape, 50mm x 4m

DIY Doctor D-BUT is a silver butyl rubber repair tape, listed at 50mm x 4m, for indoor and outdoor leak-sealing jobs. Its listed waterproofing and broad surface recommendations suit small repairs, but customer feedback is mixed on adhesion and stopping leaks.

- [Original product page](https://bargainpostbox.co.uk/product/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [View offer](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: DIY Doctor
- Model: D-BUT
- Category: Tools & Garden > Hardware & Building Materials
- Price: 7.11 GBP
- Previous price: 9.99 GBP
- Discount: 29%
- Price checked: 2026-11-12T18:00:32.991Z
- Rating: 4.1 / 5
- Reviews: 4225

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 50mm x 4m roll is described for roof, gutter, pipe and other repair applications.
- Listed surface recommendations include concrete, glass, metal and plastic.
- The manufacturer describes it as waterproof and weather resistant.

## Pros

- A single-sided butyl rubber roll is intended for repair and sealing rather than a liquid-applied sealant.
- Its listed indoor and outdoor uses and multiple recommended surfaces give it scope beyond roof repairs.
- The supplied roll length and width make the coverage easier to estimate for a small repair.

## Cons

- At 4m long, it may not suit projects requiring a larger quantity of tape.

## Specifications

### Identity
- Brand: DIY Doctor
- Model: D-BUT
### Dimensions and installation
- Size: 50mm x 4m
- Format: roll
- Adhesive sides: 1
- Adhesive location: On the tape
- Weight listed: 0.54 Kilograms
### Materials and protection
- Material listed: Butyl Rubber
- Colour: Silver
- Water resistance listed: Waterproof
- Weather resistance: Weather resistant
- Upper temperature rating: 45 Degrees Celsius
### Use and compatibility
- Recommended uses: Indoor, Outdoor
- Surface recommendations: Concrete, Glass, Metal, Plastic
- Compatible material: Metal

## Before you buy

- Listing details are inconsistent about performance conditions: the upper temperature rating is listed as 45 Degrees Celsius, while feature text claims a range of -15°C to 45°C. Customer feedback also varies on stickiness and water resistance, so treat a successful seal as dependent on the repair and application rather than assured.

## In the box

- 1 (Included)

## A good fit for

- DIY repairs to small leaks or joints on listed surfaces such as metal, glass, plastic and concrete.
- Buyers who want a short roll of butyl tape for indoor or outdoor maintenance.

## Less suited to

- Projects needing more than 4m of tape without purchasing additional rolls.
- Buyers who need a guaranteed result on a specific surface or leak, as customer feedback on adhesion and water resistance is mixed.

## Customer feedback

Customer feedback highlights ease of use, versatility and functionality, with some customers reporting durability lasting up to two years. Experiences with stickiness and water resistance are mixed: some describe adhesion to plastic guttering or a conservatory roof and immediate leak stopping, while others report little stickiness or water passing through. For buyers planning a repair, this variability matters more than the product's listed waterproof claim, so suitability for a particular leak cannot be assumed.
- Positive themes: Customers report that the tape is easy to use and versatile.
- Positive themes: Some customers report that it stays strong for up to two years.
- Mixed feedback: Feedback differs on adhesion, with reports of successful bonding and reports of little or no stickiness.
- Mixed feedback: Reports on stopping water are mixed, from immediate sealing to water passing through.

## Frequently asked questions

### What size is the DIY Doctor D-BUT tape?
The listed size is 50mm x 4m.
### Which surfaces is it recommended for?
The listing recommends concrete, glass, metal and plastic. Metal is also named as a compatible material.
### Is the tape described as waterproof?
Yes. The listing describes it as waterproof, though customer feedback on water resistance is mixed.
### What temperature range is stated?
The details list an upper temperature rating of 45 Degrees Celsius, while feature text claims -15°C to 45°C. The listing does not present these details consistently.

## Alternative options

- [Target Control Waterproof Tape for Leaks 5M x 55mm Butyl Pipe Repair Tape \| Self-Adhesive Sealing Strip for Roof Flashing, Gutters, Tents, Caravans, Plumbing and Outdoor Use](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [Butyl Tape Waterproof for Roof and Leak Repair 50mm\(W\) x 5 Meter \(L\),Upgraded Aluminum Foil Tape Leaking Pipes,Repair Tape for Sealing Roof, Gutter, Tanking, Awning](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [TAPEBEAR Butyl Tape for Roof and Leak Repair, Waterproof Sealing Tape \| Silver Aluminum Tape, for RV Repair, Window, Glass, Silicone, & EDPM Patching, and Pipe Sealing, 2inch x16feet](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [ADHES Butyl Tape Waterproof Tape Aluminum Foil Tape Sealan Tape 100mm x 5m\(4inch x 5m\), for RV Repair, Window, Silicone, Boat and Pipe Sealing, Glass & EDPM Rubber Roof Patching, Silver](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [Heavy Duty Waterproof Sealing Tape All Weather Outdoor Repair Tape for RV Campervan Caravan Motorhome Conservatory Roofs, Gutters, Greenhouses, PVC, Pools & More](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [Hanotic Decking Tape 50mm x 15.2m, 8 Rolls Waterproof Butyl Deck Tape \| 2'' X 50' Weather Resistance and Anti-Corrosion Joist Tape for Extend Deck Life, Self-Adhesive for Wood Decks Rv Beams Roof](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [LANUCN White Waterproof Butyl Tape, Tenacious Sealant Tape for Sealing Roof Caravan Seam Pipe Jointing Leaks Repair kit Outdoor Use \(5cm x 5m x 1roll\)](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [LLPT Waterproof Patch and Seal Tape 101mm x 4m White Repair Tape \| Extra Thick Adhesive Layer, UV Resistant Backing, Permanent bond Instant Seal for Repairing Gaps Holes Cracks Tear](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [Target Control Waterproof Tape 5M x 100mm Silver Butyl Roof Repair Tape \| Heavy-Duty Self-Adhesive Flashing Strip for Felt, Sheds, Gutters, Caravans and Outdoor Sealing](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [BIGTEETH 50mm x 5m Butyl Waterproof Sealing Tape for Leaks \| Heavy Duty Leak Repair Tape, Aluminium Foil Tape for Roof, Window, Pipes, Boat, RV Repair](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [Butyl Tape Waterproof for Roof and Leak Repair 10cm\(W\) x 5 Meter \(L\),Upgraded Aluminum Foil Tape Leaking Pipes,Repair Tape for Sealing Roof, Gutter, Tanking, Awning](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)
- [GTSE Butyl Aluminium Foil Tape, 50mm x 5m – Waterproof Tape Roll for Leaks, Roof Sealant, and Outdoor Repairs – Durable, Weatherproof, and Leak-Proof Solution](https://bargainpostbox.co.uk/visit/diy-doctor-d-but-butyl-waterproof-tape-50mm-4m)

## Add-ons

- [DIY Doctor Waterproof Tape for Leaks 50mm x 4m Butyl Roof Sealant Tap \| Aluminium Foil Butyl Repair Tape for Outdoor Use. Sea](https://bargainpostbox.co.uk/visit/diy-doctor-ddt-double-sided-carpet-tape-10m-21mm)

## Images

![DIY Doctor D-BUT Butyl Waterproof Tape, 50mm x 4m — 1](https://bargainpostbox.co.uk/i/myvBzXLSu31YT9teCLg9BzfcU59Y87cM5dAVe1nRWYFnCtgGlX_QLp_KJvHiwV_wQl33zOW7xzuE8sejBdq8ZpDRHPgfpGUlkymtBJWqqXGqt0WeLgvLUa9N.jpg)

![DIY Doctor D-BUT Butyl Waterproof Tape, 50mm x 4m — 2](https://bargainpostbox.co.uk/i/fhjg4ZpbEz7FZMIdxdNzZZ42Rl2aZTD-eUw4TbD7NHAyBWb9I3A10Qxq_CDXb-eEfB_SDPi0t1f0bIOwbo2Yf5-9sYt-TFuF1s3kt1fG_dy4lNOa-Fkz22RS.jpg)

![DIY Doctor D-BUT Butyl Waterproof Tape, 50mm x 4m — 3](https://bargainpostbox.co.uk/i/maYSSibQmgUuZeusUZMnsW1LTyfRc0204rYO80xdINwp74lDXL34jmEJ66iq6SoPjAHfB4uyUOsgHCw8d4EOgLw1ucoz8g4UXrp2c86StRRNLWSdiRTMSy1R.jpg)

![DIY Doctor D-BUT Butyl Waterproof Tape, 50mm x 4m — 4](https://bargainpostbox.co.uk/i/JPfWVb6q8r_XBuMEEyJnqNOb1QUvH7XR_UREfnhP7kXtCYK-BiyACnPd8lBmuNfdHLxC466ysXZCJr6Kbu6ZqQhUtr0szlTugQnu_SdAaFHyFKkPLR6Nouaz.jpg)

![DIY Doctor D-BUT Butyl Waterproof Tape, 50mm x 4m — 5](https://bargainpostbox.co.uk/i/hDD5AheGfiy2mLZw3pOPhTDEwR-qlZRbvj9fntzdSXNAXcdU7L6cXlusq9wjMW7cQAgPetpFDankz8EUhu3hUlFhjy-t9DYSssF9g6qgXjyZmtPjt_6HG8n6.jpg)

![DIY Doctor D-BUT Butyl Waterproof Tape, 50mm x 4m — 6](https://bargainpostbox.co.uk/i/QpVQzphtuKe-KpJlAQGs56dUnYmzco-eVGm59lRB8QcJXs3B_mZLaVPcVTfrwc0NR6eD-U1yB9GMCB83uIARHrV5Ne_p1zOZAMfG5gfVJfwCKA0As-EE3mrR.jpg)

![DIY Doctor D-BUT Butyl Waterproof Tape, 50mm x 4m — 7](https://bargainpostbox.co.uk/i/nXerVafnzBAIR-DGeTMuwwEm5Y_ViOxU4Yxk50v5w66iRJa7yCL-izb8rer2HX2yo1yQAn0W8rQ9xpzGdzM4jnVwgpYKyEdxlieCFDxyg-s__mCA5dbM2kdX.jpg)