When the basement or crawl space.
How to insulate between existing floors.
First option possibly zero cost.
Between the ceiling of the ground floor and the floor of the second storey.
I recommend xps rigid foam for this installation as it is the best option for use at or near grade.
Floors above cold spaces such as vented crawl spaces and unheated garages.
Here s how to insulate your shed floor from the top.
Remove the subfloor in your shed.
This will dampen sound and might not cost anything i.
Is the upper floor hardwood or stone.
Yes there are several approaches to handle this problem.
The question of whether you should insulate between floors is remarkably similar to that of insulating interior walls.
Place it into the space between your existing floor joists relying on friction to hold it in place.
Add wire insulation hangers as needed to ensure a more secure hold.
At first blush it makes some kind of sense.
During energy audits we get into a lot of building shell discussions should i insulate my basement or should i insulate my interior walls to pick two completely random questions that i totally haven t written about.
4b slab floors built directly on the ground.
Insulate existing concrete.
Say for example you live in an apartment building.
Spray foam is expensive though and unless you are paying someone to do the associated drywall repairs there are less expensive options.
Insulating a shed floor from the top is by far the easiest method to insulate your floor.
4c as an alternative to floor insulation foundation walls of unvented crawl spaces.
How to insulate a floor from the top.
If so consider laying down a rug or carpet with a thick pad.
If you re building or renovating a double or multi storey house then there may be good reason to considering insulating the mid floor i e.
The main reason to insulate between floors is to reduce the noise transfer between floors.
Your neighbor from either upstairs or downstairs has a tendency to play loud disrupting music every evening.
How to insulate between finished floor and ceiling spray foam is a great option and generally speaking the holes required to inject the foam are extremely small.
Although achieving an entirely soundproof home is quite possible for most people soundproofing between existing floors can be quite difficult.
Also insulate 4a any portion of the floor in a room that is cantilevered beyond the exterior wall below.