My answer to that is yes and it is still warranted.
Too much glue hardwood to concretr.
When glue is used in conjunction with screws and nails the bond is strong enough to resist natural movement of the wood.
Apply it proportionally and manage your adhesive so that you have enough for the entire room.
Installing engineered hardwood flooring over concrete too tight against a stationary object will not allow room for normal expansion and may cause a failure.
For best results several areas of each room should be tested for excess moisture.
Glue forms the initial bond but without screws and nails the natural expansion and contraction of the wood can break or weaken the glue.
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If tests indicate too much moisture is in the slab do not install hardwood floors.
Use the trowel to get adhesive all over the starting corner.
We have scraped and vacuumed and the concrete seems ready for the new glue for our subfloor sound deadening mat to which the 5 8 x 5 engineered oak floor will be glued.
They use too much adhesive thinking that more is better and the panels will be more secure this way.
Glue is a secondary method of attachment for bonding wood to concrete.
Concrete slabs whether new or existing must be dry before the subfloor is installed.
The installation of hardwood floors by the glue down method is used predominately on concrete slabs.
Applications are more prominent with residential construction in sunbelt areas commercial locations and high rise dwellings.
This is a common mistake with newcomers to the do it yourself hardwood flooring field.
The adhesive manufacturer should have instructions regarding specific trowel requirements.
Glue down hardwood floors on concrete.
The manufacturer should have recommendations for how wide the expansion gaps need to be.