25 янв. 2023 г. · Never add a secondary underlayment with attached pad products. If the concrete is flat and within mfr spec you're fine. If not, the concrete ...

5 дек. 2022 г. · Any decent laminate flooring will come with clear instructions, telling you when underlayment is needed and, if so, what kind of underlayment is ...

6 июл. 2021 г. · Here is a key to successful laminate flooring : use only material that is at least 10 mm, not including any underlay.

16 мар. 2023 г. · You don't need extra underlayment. The floor needs to be flat, not level like someone else mentioned. Don't install on stairs, it's garbage.

18 мар. 2021 г. · Using padded laminate with underlay can create friction that wears down one or both over time and cause slippage.

12 февр. 2023 г. · It can be done as long as the underlayment is compatible with planks that already have attached underlayment. The sales people at the flooring ...

28 мар. 2023 г. · Laminate still needs a plastic vapor barrier(NOT a second pad)…the attached pad isn't contiguous and leaves the bottom of the locking system ...

9 февр. 2022 г. · Bottom line is, if it's a typical wood-based laminate, it's not really suited to be installed over concrete with or without an underlayment.

9 янв. 2023 г. · Did you ensure your floor was very flat first? Also, it depends which underlay you used. Some are definitely too thick and would cause issues.

24 мая 2023 г. · Some flooring says no underlayment because it can cause separation of the planks due to flex caused by an underlayment.