If you have a lot of hard-surfaces in your space, this a practical and efficient way to cut noise from bouncing around the room. During an indoor training your trainer will always produce vibrations. When your trainer is placed on a solid floor, like concrete, these vibrations will be almost absorbed entirely. If noise from downstairs neighbors is coming through your floors, your first step should be to add carpeting to help dull the sounds. The mats will add density to the floor, which will help to reduce noise transmission. To help reduce these noises, we must look for ways to block sound waves, or at least slow them down as much as possible. I had some really bad 20m interference and after … Installing interlocking floor mats is pretty easy. Replace Your Flooring. If your hardwood won’t stop squeaking, you may need to replace your floor. There are a few floor sound barriers that will mitigate the problem. 73 John . They may even be willing to add some rugs to their hard floor to help reduce the sound you hear from their footsteps. I will soon join in and be a Ham myself so now I m revisiting the issue of RFI/Noise floor and I want better. Let's start with the floor. I bought mine last year. They’ll also add softness to the floors and provide thermal insulation. But when your trainer is placed on a wooden floor, these vibrations can be magnified by the floor itself. Just position them on the floor and connect them together, kind of like a puzzle. While none of them make the problem go away entirely, these solutions, ranging from between-floor insulation to foam underlayments, can go a long way toward toning down the noise. Plants and foliage reduce unwanted echo and create a more pleasant, healthy indoor environment. February 2018 edited February 2018. The issue: I have always been playing with a noise floor of about -80db to -90db in SWL I do my best and deal, I do okay but always had trouble getting those weaker ones in. On receive, narrowing the rx bandwidth can reduce the noise floor level by 2 s-points I have experienced. David H Hickman Member. Reducing the noise being generated is in everyone’s best interest, so it is likely your neighbor will be willing to work with you on reducing the noise. Reduce vibrational noise. 0.