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Plastering & Rendering

Pressure clean has damaged K-Rend - Likely repair fees?

Anonymous user 28/01/2026 - 8.00 AM

Unfortunately our window cleaner used a high pressure washer on our relatively new K-rend extension, which has damaged part of the joins to the patio doors. I'd not want to attempt this myself for making a likely pigs ear of it. Is this likely to be a costly fix? Is it a case of new render being put atop or another solution?

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7 Answers

Jake Haworth

Rating: 5 out of 5
Southport
K rend as a product is very hard to patch due to the fact it gives such a tight finish, depending on the size you could try to patch by cutting a reasonable area out of the render and replace with new. Blending can be difficult because of the grainy properties but is achievable with a competent renderer, do not expect it to be like new but it will reduce the attention of the damage made
Answered24 January 2026
2

Anonymous user

K rend cannot be patched up perfectly and will never ever dry the same colour
Answered23 January 2026
0

PR Developments

Rating: 5 out of 5
Truro
Yes k Rend is hard to match when repairs are needed.You should claim off the window cleaners insurance negligence not understanding the nature of what he was doing.
Answered26 January 2026
0

Anonymous user

You would be better patching it an seeing if you have a bucket still of the k rend with the product code on for same colour. Then get a k rend paint and paint the whole extension so the colour matches up all around.
Answered26 January 2026
0

Anonymous user

Krend cant be patched unless its recently done and not weathered but for a perfect job strip back and start again
Answered26 January 2026
0

S A Plastering

No reviews yet

Ipswich
Hi. Sadly I feel covering the render would be the only way to cover damage. That's the downside to k-rend/silicon based materials. They can rarely be patched without showing.
Answered27 January 2026
0

HAYDENPOINTERS

Rating: 5 out of 5
Bolton
patching is never quite the same... I have patched and then repainted the whole elevation. turned out spot on.. got to try cheap way first..
Answered28 January 2026
0