ᐅ Screed with drying accelerator

Created on: 15 May 2020 12:05
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neutri80
Hello dear forum,

I have a question.

Due to delays caused by the pandemic, our builder now wants to use a screed with a drying accelerator. This would supposedly be ready for the floor covering after 5 days.

Of course, we are happy that we don’t have to wait 6 weeks for the heating phase.

However, we are also wondering if this type of screed has any disadvantages. I did some research online but couldn’t really find much, and many reports are quite old.

That’s why I thought I’d ask what you think about it.

For floor coverings, glued hardwood flooring is planned for the ground floor, floating hardwood flooring on the upper floor, and tiles in the upper-floor bathroom. In the basement, all rooms will have tiles except for the office, where we are installing laminate.

I would really appreciate your opinions.

Regards,
Ivonne
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guckuck2
15 May 2020 20:08
Are there really accelerators for cement screeds that shorten the curing time to 3 days? Wow.

I still remember our screed, where the "accelerator" option for 21 days was already included in the initial quote. So, apparently, it didn’t affect the price much.
Reducing it to 14 days would not have been cheap though, and I think the highest option was 10 days. That was about a 50% surcharge.
3 days... yikes.
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neutri80
16 May 2020 15:17
Daniel-Sp schrieb:

We decided to use a screed accelerator due to time constraints. This reduced the heat curing period to about 10 days. The screed was ready for covering 14 days after installation. In our case, using the accelerator automatically included the moisture measurement using a CM measurement device provided by the screed accelerator manufacturer. So, we didn’t need to arrange that separately. This was important for us because we had removed the wooden floors from the contract and had them installed by an external company.
Did everything go well for you, or did you have any problems?
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Daniel-Sp
16 May 2020 15:45
Everything is fine, no cracks or other issues.
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neutri80
16 May 2020 15:55
Daniel-Sp schrieb:

Everything is fine, no cracks or anything else.
That sounds good so far. On Monday, we need to clarify exactly how they want to do the screed and how the drying process will work. The construction manager only mentioned it takes 5 days, and he has already reserved a drying device to be installed there.
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Bookstar
16 May 2020 17:27
This stuff is really expensive
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neutri80
16 May 2020 18:43
Bookstar schrieb:

That stuff is ridiculously expensive.
We don't have to pay for it.
But just out of curiosity... how much more expensive is it?