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One option to consider would be a set of pillars under each individual floor board, wedged or glued firmly in place, perhaps only secured on the bottom to allow for thermal movement. This concept extended within my grey matter to suggest a plank running across all the floor boards, but with holes across the span to provide for the airflow. The pillars ...


2

Adding insulation to the floor will definitely reduce the sound to some extent, but that extent is hard to know without knowing everything about your exact situation. Your raised floor is acting kind of like a drumhead, amplifying the vibrations from your exercise machine. So the insulation can absorb some of that energy, but the sound will be reduced mostly ...


2

Fiberglass insulation helps more to reduce high frequencies than low. Since the sound made by exercise machines is primarily low frequency (i.e., dull thuds), such as the impact of feet, he insulation would not be very effective. Some ways to decrease low frequency noise include: Increase mass of surfaces: Add a layer of board to the floor. Increase ...


2

I would remove the transition strip and place the new flooring down and put the transition piece back on. If you glue something on top of the transition piece, it will be a trip hazard and will, in a short time, come loose.


2

I'm not aware of any 45 adapters and other nail guns can not drive the special nails used for hardwood floors. Also, the floor nailers are set up to actually smack the wood tight before driving the nail. I would strongly suggest renting the tool, one of those items that is well worth the cost.


1

I would remove the tile. Then put down the sub floor as you described (not sure about your choice of material) over the left hand section. If what you then have is fairly flat, cover the entire floor with 1/8" luan plywood (I think this is what they used in my laundry). The final covering was vinyl plank.


1

I'm not an HVAC guy so I don't know the CFM requirements but I believe that you could use 2x4 blocking that would leave over 3-1/2" depth should be plenty for air flow. Assuming that you are comfortable with that air flow, use 2x4 blocking with Simpson A35 clips and screws for attachment. You might be an extension on your power driver to reach the far side. ...


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