1 / 7DIY 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.
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.
Often bought together
Pros and cons
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.
Technical specifications
15 specifications| Brand | DIY Doctor |
|---|---|
| Model | D-BUT |
| Size | 50mm x 4m |
|---|---|
| Format | roll |
| Adhesive sides | 1 |
| Adhesive location | On the tape |
| Weight listed | 0.54 Kilograms |
| Material listed | Butyl Rubber |
|---|---|
| Colour | Silver |
| Water resistance listed | Waterproof |
| Weather resistance | Weather resistant |
| Upper temperature rating | 45 Degrees Celsius |
| Recommended uses | Indoor, Outdoor |
|---|---|
| Surface recommendations | Concrete, Glass, Metal, Plastic |
| Compatible material | Metal |
What to know before buying
Listing details to confirm
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.
What’s in the box
Included- 1
Who is it for?
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 reviews on Amazon
- 5 stars
58% 58% - 4 stars
20% 20% - 3 stars
9% 9% - 2 stars
3% 3% - 1 star
10% 10%
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.
- 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.
- 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
£8.99

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
£7.99

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
£8.78

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
£16.99

Heavy Duty Waterproof Sealing Tape All Weather Outdoor Repair Tape for RV Campervan Caravan Motorhome Conservatory Roofs, Gutters, Greenhouses, PVC, Pools & More
£15.55

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
£52.99

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)
£12.99

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
£12.99

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
£11.99

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
£9.99

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
£9.99

GTSE Butyl Aluminium Foil Tape, 50mm x 5m – Waterproof Tape Roll for Leaks, Roof Sealant, and Outdoor Repairs – Durable, Weatherproof, and Leak-Proof Solution
£6.99
























