Solid Hardwood, Engineered and Laminate Flooring - How do you glue engineered strips together for float installation?

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maplefloors
08-15-07, 04:57 PM
I am installing 3/8th engineered wood floors over concrete subfloor. I plan on putting 1/8th inch Quiet Walk underlayment (with built in moisture barrier and sound deafening) and then FLOATING the wood strips on top. They are 3 inches wide and random lengths 1-4 feet. We had previously planned on gluing the wood down directly on the concrete but need to put the underlayment as a sound barrier so I have been advised to float the floor on top of that rather than glue the floor to the underlayment. Questions are:
1 - should I float the floor on top of the underlayment or glue it down
2 - if I float it, can someone please explain the best method for gluing the tongue and grooves of the strips together, i.e. do I put the glue on the protruding tongue or in the nook? What kind of glue should I use?
Thanks very much.

Carpets Done Wright
08-18-07, 05:51 AM
There are some engineereds that are gluedown only
There are some engineereds that you can staple or gluedown only
There are some engineereds that are floating only

3" as a floater is not an easy task, if the manufacturer says you can install that product as a floater

Titebond II T&G adhesive, with the applicator tip.
Strap clamps and a lot of 3M blur painter tape.