ᐅ Glueing wide plank flooring directly onto anhydrite screed without using expansion joints
Created on: 3 Jun 2014 12:03
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peterpan4P
peterpan43 Jun 2014 12:03Hello,
I originally posted this question in another category, but this topic definitely fits better here, so please excuse the duplicate post!
I’ve already researched online and consulted with some specialists, but unfortunately haven’t received a clear opinion. We want to install engineered hardwood flooring with a plank style resembling wideboard flooring (not solid wood, but layered boards with about a 4mm (0.16 inch) real wood veneer).
We will have underfloor heating and a calcium sulfate screed (anhydrite screed). Because of the underfloor heating and the desire to reduce noise, we were advised to glue down the planks, which we would like to do. Additionally, one “expert advisor” at a wood supplier told us that if we glue the flooring, we don’t need expansion gaps in the wood, which would be ideal for us. However, another specialist at a different wood supplier (not a hardware store!) said that wherever there is an expansion joint or crack in the screed (acting as an expansion joint), this should also be reflected in the wood flooring.
So, what is correct? Do we need to continue the expansion joints from the screed into the wood flooring, or can we install the wood flooring continuously over multiple rooms? Also, is it possible to address this issue by embedding a mesh fabric into the adhesive?
I originally posted this question in another category, but this topic definitely fits better here, so please excuse the duplicate post!
I’ve already researched online and consulted with some specialists, but unfortunately haven’t received a clear opinion. We want to install engineered hardwood flooring with a plank style resembling wideboard flooring (not solid wood, but layered boards with about a 4mm (0.16 inch) real wood veneer).
We will have underfloor heating and a calcium sulfate screed (anhydrite screed). Because of the underfloor heating and the desire to reduce noise, we were advised to glue down the planks, which we would like to do. Additionally, one “expert advisor” at a wood supplier told us that if we glue the flooring, we don’t need expansion gaps in the wood, which would be ideal for us. However, another specialist at a different wood supplier (not a hardware store!) said that wherever there is an expansion joint or crack in the screed (acting as an expansion joint), this should also be reflected in the wood flooring.
So, what is correct? Do we need to continue the expansion joints from the screed into the wood flooring, or can we install the wood flooring continuously over multiple rooms? Also, is it possible to address this issue by embedding a mesh fabric into the adhesive?
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