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Bosch Bostik Pro PU91 Polyurethane Construction Sealant 300ml White

4.3 (10 reviews)
SKU: 240609120307006 EAN: 5010591013810

Compare 1 price for Bosch Bostik Pro PU91 Polyurethane Construction Sealant 300ml White — from £11.19 across 1 UK seller including Toolstation.

£11.19 30h ago
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• +/- 25% flexibility • High modulus • Extremely elastic\t • Bubble and primer free • Interior and exterior use BOSTIK PRO PU91 CONSTRUCTION POLYURETHANE SEALANT is a professional grade polyurethane sealant developed for sealing construction joints subject to high movement. This white PU sealant has a high modulus formulation and is extremely elastic with up to 25% movement capability. Suitable for interior and exterior applications, Bostik PU91 is bubble and primer free, can weather environmental stress, and is ideal for joints that will experience a lot of movement and traffic, such as gallery floors in high rises, or warehouse floors. • Developed for construction joints subject to high movement • +/- 25% flexibility - allows for movement • Ideal for sealing expansion joints in floors and facades
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Customer Reviews 10

4.3
10 reviews
5 star
6
4 star
3
3 star
0
2 star
0
1 star
1
White isn’t white!!
1.0
June 4, 2025
jrooney1991

Lovely stuff to use and tools on brilliantly but colour is dreadful. Yellows like cheap gloss and I’ve had to rip it all out. Absolutely fuming.

👍🏽 good 👍🏽 good 👍🏽 good 👍🏽
5.0
February 3, 2025
123deal Verified Purchase

Good 👍🏽 smoth easy to work with drys well no issue time wil tell

Excellent sealer
5.0
January 25, 2025
Barx Verified Purchase

Excellent sealant used it for sealing a upvc door frame

Icky sticky!
4.0
March 22, 2024
Greyman Verified Purchase

Very tough stuff! Good as an adhesive and seems really durable. Could be used as a sanitary sealant in some applications but very hard to get a nice finish on it as it is so sticky. Great for sealing when fitting (or refitting) windows and hatches in a caravan.

PU sealant that’s PU and seals
5.0
June 29, 2023
Goodie1984 Verified Purchase

Polyurethane sealant that’s polyurethane and seals

OK
4.0
June 28, 2023
Pete 54 Verified Purchase

Seems to work as advertised. Used it as an exterior gap filler.

Decent sealant
5.0
May 10, 2023
ARK 1 Verified Purchase

Really good product, flows well and can be easily tooled up. Be careful when you collect it though as it has a grey nozzle so you’ll want to double check the colour when you collect it.

Good quality sealant
5.0
April 22, 2023
Knobbby Verified Purchase

Good quality sealant, easy to apply and will smooth out too a nice finish with care.

Good stuff.
4.0
January 14, 2023
Adge Verified Purchase

Does the job, hard to get out of the tube.

👍🏼
5.0
January 6, 2023
Rob seddon Verified Purchase

Really good 👍🏼, works much better and more permanent than silicon.

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