J
Hello
I have searched, read, and learned but haven't really found my case, so I'm sending out a set of questions.

I live in a 4-year-old wooden house with a garage and "machine room" in the basement. This floor is partially below ground level with walls made of LECA blocks (with electrical cabinets), and the floor is an insulated slab with underfloor heating in a small area (I only maintain the temperature just above freezing this time of year. (There's also a sink with water pipes that I can't shut off.)

To increase the usability of the space and secure the sink without the operating costs skyrocketing, I'm considering insulating the walls from the inside, at least the walls above ground.

Can I insulate LECA walls above ground without "side effects"?

Is the solution steel studs, insulation, vapor barrier, drywall correct?

Will I see any effect if I don't simultaneously insulate the walls below ground? (I understand that internal insulation of a basement is not a good idea, and I'm not eager to dig).

Thanks in advance
/J
 
I can only answer how I did after much research.
Above ground and heated space about 16 degrees all year round.

Leca - 5cm air gap - steel stud in tracks top and bottom + insulation - vapor barrier - plywood - drywall.

Things to keep in mind:
Stabilize the steel studs in the middle of the wall with some form of angle iron, otherwise they will bend inward, and you will have trouble securing the panels.
Drill holes and run wire on the "back side" of the steel studs every 40cm as support to prevent the insulation from falling "outward."

I had to countersink my screw holes in the plywood because the steel stud does not have resistance to pull the screws into the plywood. I used plywood to easily hang things wherever I wanted later on.

Best regards,
Thomas
 
J
Thank you so much Thomas
/J
 
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