Sikaflex EBT+ comes in many colours, such as Clear-Black-White-Beige-Brown-Grey.

Sika Sikaflex EBT+ Adhesive, Sealant and Filler, Black, 300 ml

Sika Sikaflex EBT+ Adhesive, Sealant and Filler, Black, 300 ml

Q: The product says fast curing time, so what is that exactly? This is the only product which actually gives no indication of its normal curing time.

I have only used this product in warm weather for filling tears in the rubber strip down the side of my boat and for this application I leave it for 24 hours before applying any more if required. I found that to mould it to the shape of the rubber strip it is best to use a plastic spatula dipped in white spirit. Hope this helps.

Q: I have a crack in my shower tray which is leaking. would this be suitable to seal crack?

Yes, the sikaflex is much better than a regular sealant. I have just used it to repair a crack in a ceramic pot and its working well. The only thing about it is it's VERY sticky stuff. I use it wearing latex gloves to smear the stuff on with my finger, as it's hard to push out of the gun, and once I came to use it again it had sealed the nozzle with a solid plug of the stuff even though I had pushed a screw down the nozzle! So be careful not to get it everywhere when using it, you can't get it off again as it's far superior to your regular caulk.

Q: Is it ok to fill window sill masonry cracks living on the seafront on the bristol channel? i.e salt and very high winds

well i used it around the bath not sure, but go give it a go may work for a time, think you need 'putty'

Product ID: 47904793

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Details

Brand
Sika
Specific uses for product
Building and
Material
Polyurethane
Item form
Paste
Special feature
Fast Curing

⏱️70 min skin formation

🌧️25% flexible & weatherproof

🛠️strong multi-surface grip

Frequently Bought Together

Sikaflex EBT+ - an All in one Adhesive, sealant and Filler - 300ml - Black

Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.1 fl oz, Black – Permanent Elastic Seal, Sandable & Paintable, Non-Corrosive, Bonds to Metal, Plastics & More

Dicor BT-1834-1 Butyl Seal Tape - 1/8" x 3/4" x 30' Repair Tape for RV, Trailer, Motorhome, Window, and Vent Sealing

Description

🖤 Seal it fast, seal it smart—Sikaflex EBT+ keeps your projects flawless.

RAPID SKIN FORMATION - Get a reliable seal in just 70 minutes—no waiting around.
ALL IN ONE SEALANT FILLER - Perfect for gap filling and sealing in both interior and exterior projects.
FLEXIBLE WEATHER RESISTANT - Maintains a 25% flexibility factor to withstand rain, water, and temperature shifts.
UNMATCHED MULTI SURFACE GRIP - Bonds instantly to concrete, wood, metal, glass, and more for versatile use.
COLOR OPTIONS FOR SEAMLESS INTEGRATION - Choose from Black, Grey, Brown, White, or Beige to match your design—no paint needed.

Sika Sikaflex EBT+ is a fast-curing, 1-part polyurethane adhesive, sealant, and filler that forms a durable, flexible, and weather-resistant bond across multiple substrates. With a quick 70-minute skin time and full cure in 24 hours, it’s engineered for professional-grade building and maintenance tasks, available in five shades to perfectly match your space.

Specifications

Manufacturer	Sika
Part Number	EVBFLEXEBTBK
Product Dimensions	4.9 x 7 x 22.5 cm; 410 g
Item model number	1900203
Colour	Black
Style	Single
Material	Polyurethane
Item Package Quantity	1
Special Features	Fast Curing, Excellent Grab, Weather Resistant, Non-Corrosive
Usage	Building and Maintenance
Included Components	SIKA SIKAFLEX EBT+ BLACK 511394 300ML
Batteries included?	No
Batteries Required?	No
Item Weight	410 g

Have a Question? See What Others Asked

The product says fast curing time, so what is that exactly? This is the only product which actually gives no indication of its normal curing time.

What color is it

I have a crack in my shower tray which is leaking. would this be suitable to seal crack?

Is it ok to fill window sill masonry cracks living on the seafront on the bristol channel? i.e salt and very high winds

Reviews

A**R

Great stuff!

Amazing stuff!👍😊

23.08.2025

G**N

Very very good

Sticks like an absolute beast. Used it to stick my solar panel on T5.1 plus all extras to support (glands, wires etc). Amazing holding power. Do not get it where you don't want it. Like if Tar, superglue & treacle had a baby

5.03.2025

W**O

Black..or white...

Always read the add properly wanted white not black but did the job ...stopped the water coming in .

28.10.2024

A**R

Good results repairing my walking boots

The sole of my walking boot came off completely. Result of poor original manufacture.This adhesive has done the job of refixing the sole to the uppers.Initially, I was sceptical anything could be done, but having walked about 15 to 20 mile in them, I think it was 100% sucessful.

12.11.2024

D**N

Good glue

Why did you choose this product over others?:Great stuff

12.07.2025

R**L

Fast efficient seller, A1 item, recommend to anyone, thank you

25.06.2025

C**L

Would recommend!

Used this for bonding my flexi solar panels to the roof of my T5. Worked a treat! No issues at all so far. 🤞

27.01.2025

J**N

Outstanding

If you have never used this it is like silicone x 10, once it has gone off ( which takes quite a long time) it is brilliant, i used it to seal rubbers on the boot on my car, it can be used to seal windows, seal rubbers, make gaskets around oil and unlike silicone it is resistant to oils and chemicals it’s uses are limitlessBUT !!!!! BEWARE! Use gloves!! If you get this on your hands wipe it off with white spirit or similar immediately !! It is an absolute nightmare to get off if you let it go even slightly hard, then once it has gone hard only time will remove it.Unlike silicone its drying time is in hours, no 30 minutes and its usable, it takes about 2-3 hours to begin to harden suitably / really 24 hours for a full cure, once it has cured it is difficult to remove off anything its stuck to

2.08.2020

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