5” Wide Solid 3/4 Hickory Hardwood Install - Help! - Flooring - Contractor Talk

5” Wide Solid 3/4 Hickory Hardwood Install - Help!

 
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Old 03-05-2019, 07:13 PM   #1
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5” Wide Solid 3/4 Hickory Hardwood Install - Help!


Hello, I’am installing a hardwood floor soon which is a Bruce 5” thick solid Hickory 3/4” solid hardwood floor. I have never done a wide plank instal before (just 2 1/4) which is why I am here.
Since this install is 5” wide i was told different methods

1. Do not use an underlayment- clean the sub floor and apply an urethan glue lines (tube) on the bottom of every board and nail them down useing 2” 16 gauge nails every six inches. Aka the “glue assisted nailing”. This was to guve extra holding power with a giving glue.

2. Use the traditional underlayment (aquabay b) and lay the hickory ontop of that. Nail down with 2” 16 gauge every six inches. (No glue)

Some background on the project. This will be going in a dining room which is directly above the basement on the first floor. Which is why I wanted to use an underlayment for the moisture, but was told the 5 inch boards need to be glued for movement. The total sq ft is about 160. The sub floor is solid 3/4 plywood The new hardwood floor planks have been acclimating for a week.
The Bruce/ Armston directions and rep said to use the glue method. Also leave a 3/4” expansion gap at all walls. Another person said to use the underlayment.
I live in New England (NH) so it is humid cold and wet depending on the season

What is the correct method of installation for this floor?

Thanks
Ryan
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Old 03-05-2019, 07:32 PM   #2
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Re: 5” Wide Solid 3/4 Hickory Hardwood Install - Help!


What's the manufacturers directions say? Reading those directions would be a good place to start.


BTW, you're not going to hold wood down that wants to move. Consistent climate control is the most important thing to keep a flat, tight floor.

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Old 03-05-2019, 07:51 PM   #3
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Re: 5” Wide Solid 3/4 Hickory Hardwood Install - Help!


Quote:
Originally Posted by pinwheel View Post
What's the manufacturers directions say? Reading those directions would be a good place to start.


BTW, you're not going to hold wood down that wants to move. Consistent climate control is the most important thing to keep a flat, tight floor.
Thanks for the reply. Directions say to glue and nail boards 5” or wider. Obviously this would indicate not using an underpayment. I just thought an underlayment was 100% necessary to block moisture from below.
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Old 03-05-2019, 08:20 PM   #4
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Re: 5” Wide Solid 3/4 Hickory Hardwood Install - Help!


I've laid 5" Armstrong hickory over Aqua B and will be installing the same in a couple weeks. I don't see anywhere in the instructions that mentions glue.
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Old 03-05-2019, 08:36 PM   #5
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Re: 5” Wide Solid 3/4 Hickory Hardwood Install - Help!


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I've laid 5" Armstrong hickory over Aqua B and will be installing the same in a couple weeks. I don't see anywhere in the instructions that mentions glue.
https://images.homedepot-static.com/...c84ad290e8.pdf

Bottom of page 2 mentions it. Which caught me by surprise.
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Old 03-05-2019, 08:50 PM   #6
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Re: 5” Wide Solid 3/4 Hickory Hardwood Install - Help!


Page 2 sectionIV

NOTE: SPECIAL INSTRUCTIONS FOR PLANK FLOORING
Seasonal distortion (shrinkage/cupping) in wide width flooring [4ʺ (10 cm)
and over] may be reduced by gluing the flooring to the subfloor, in addition to
the use of mechanical fasteners. The installer should be reminded that
adhesives used for this purpose will not perform their function when used in
conjunction with a moisture retardant. Glue-assisted applications will not be
satisfactory without direct contact with the subfloor. The glue should be a
premium grade urethane construction adhesive applied in a serpentine
pattern to the back of the hardwood as noted in Figure 5.
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Old 03-05-2019, 09:17 PM   #7
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Re: 5” Wide Solid 3/4 Hickory Hardwood Install - Help!


Quote:
Originally Posted by pinwheel View Post
What's the manufacturers directions say? Reading those directions would be a good place to start.


BTW, you're not going to hold wood down that wants to move. Consistent climate control is the most important thing to keep a flat, tight floor.
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