According to the 2012 irc the minimum r value for floor assemblies is r 13 in zones 1 and 2 r 19 in zones 3 and 4 r 30 in zones 5 and 6 and r 38 in zones 7 and 9.
Insulating cabin floor.
If you want to insulate a floor assembly by leaving the joist bays empty and installing rigid foam on the underside of the joists here are a few things to keep in mind.
Insulating a cabin roof and floor.
Insulating your log cabin s floor can save up to 20 of your annual heating costs when fitted properly and combined with the finished floor.
But you will find insulating concrete as well.
What s an effective economical method for insulating the floor of a cottage on piers.
The two areas i would absolutely recommend insulating are your floor and roof.
It s pretty hard to get under.
To get the highest r value completely fill the cavities between the joists.
But there is nothing at the floor and a crawlspace under the cabin is only about a foot and a half or so worth of thickness.
When we built the addition to the cabin last year we skipped a few steps.
Approximately 70 of heat escapes through the floor and roof it is therefore essential to insulate them well.
A closer look at the primary equipment.
If you would prefer to install the insulation without the help of a professional one option would be to use foam boards.
Watch steve explain how to insulate a cabin roof from the top leaving the rafters and roof boards visible from inside.
When we built the addition to the cabin last year we skipped a few steps.
These stiff boards are placed close together on top of the floor joists underneath the home.
It s not real thick but a pellet stove is sufficient to heat this small place warm.
The rest of it is i think just blown insulation that was done well after the fact into the ceiling.
Once in place secure the boards with either insulation tape or caulking.
If you only use the cottage a couple of weekends.
Steve also shows how and why to insulate a cabin floor from the top.