4.94.9 out of 5 stars
142 product ratings
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Would recommend98% agree

Good value96% agree

Good quality98% agree

117 reviews

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Used for sealing car seals around tailgate

I had a leak into my car boot and used this to seal the welding joints. I sprayed with a can of car paint once the sealant had dried and had been tested in heavy rain. The leak was fixed so this product works well for that type of job. I am pleased with the product and price.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: camperworks

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Sikoflex rules OK

I needed to put an TV aerial on my motorhome but was dead against any drilling. Dreading the job I reduced the size of the aerial mount and used this product. The job took just minutes then the anxious wait to see if was stable. Waited 24 hours and fitted the omnidirectional aerial also from ebay. Speed down the motorway waiting for a'clunk' Nothing! The mount and the aerial stuck fast. As of today weeks later it is still stuck fast on the roof. Sikoflex brilliant.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: g.mitchell_uk

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too expensive but good product.

parts have to be held in place whilst sealant cures, preferably overnight brilliant adhesion, flexible but strong.

Verified purchase:  Yes | Condition: new | Sold by: g.mitchell_uk

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Sikaflex 221 Black Motorhome Sealant

I used this sealant recently when repairing a leak on one of my Motorhome windows, which required me to replace a rubber frame to wall panel seal and bed the frame onto a 10 mm bead, of really good quality 'non-hardening' sealant. This product had been recommended on a number of Motorhome forums, as being the type to use and so rather than skimp on a cheaper brand, I decided to take their advice and use this product.

I must admit that it is worth the extra and you can tell it's really good quality sealant, which is applied using a standard sealant gun. I would certainly recommend this product and should any of my other windows leak, I wouldn't hesitate to buy this again.
Read full review...

Verified purchase:  Yes | Condition: new | Sold by: camperworks

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Boat, Caravan , Car Sealant

Very good sealant better than the cheap stuff used this on my Caravan to cover around a roof vent and works a treat easy to use with a sealant gun for Caravan i would Recommend.

Verified purchase:  Yes | Condition: new | Sold by: g.mitchell_uk

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Hope it does what it says on tube

I have not used this product before .
Reviews are good , have used very similar product for car body panels and found them satisfactory.
Only criticism is use by date does not have long lead time and I think supplying tube with at least 3 tube tips would be beneficial for user an selling point Read full review...

Verified purchase:  Yes | Condition: new | Sold by: g.mitchell_uk

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Perfect for window installation.

Fixed a leak on a Motorhome window. The window was removed and cleaned up first, this would not have been possible if the window had originally been installed with Silicone Sealant. Car thinners useful for cleaning and removing any excess Silaflex during the window installation.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: camperworks

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Strong adhesive

Used to stick wheel arch flares on instead of screws. Product was easy to use, only thing to improve would be a skrew on nozzle cap.

Verified purchase:  Yes | Condition: new | Sold by: g.mitchell_uk

by

excellent product used it for a long time

only one complaint and that is i am sure i ordered white

Verified purchase:  Yes | Condition: new | Sold by: g.mitchell_uk

by

Sikaflex 221

Does exactly what it says it does. Brilliant product which I used for years on my boat, now I’m using it on my campervan conversion. Great adhesion, filler and waterproof properties.

Verified purchase:  Yes | Condition: new | Sold by: g.mitchell_uk

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Displaying 1 - 10 of 117 reviews