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Piwoslaw · 12-30-12, 01:02 PM

I've been using them for umpteen years, first in my Grandma's house, then that was the first thing I did when I moved after getting married. The ones I have are styrofoam (~5mm) with alu foil on one side. Available at any construction store.

Do they work? I've never quantified it, not even sure how I'd go about objectively testing, but the wall is definately colder behind barrier when I slide my hand in there. Maybe I'll test it tomorrow with my IR thermometer.

EDIT: I just checked: The room temperature is 17.5°C, the boiler just turned off and the radiator registered 40.6°C. The wall about a meter from the radiator registered 16.6°C. I tried to get the IR behind the barrier, but I'm afraid that there is too much heat from radiator effecting the reading, the lowest I got was 19.5°C, but I can feel with my fingers that the wall behind the barrier is colder than the spot a meter away.

12-30-12, 01:02 PM	#2
Piwoslaw Super Moderator Join Date: May 2009 Location: Warsaw, Poland Posts: 961 Thanks: 188 Thanked 110 Times in 86 Posts	I've been using them for umpteen years, first in my Grandma's house, then that was the first thing I did when I moved after getting married. The ones I have are styrofoam (~5mm) with alu foil on one side. Available at any construction store. Do they work? I've never quantified it, not even sure how I'd go about objectively testing, but the wall is definately colder behind barrier when I slide my hand in there. Maybe I'll test it tomorrow with my IR thermometer. EDIT: I just checked: The room temperature is 17.5°C, the boiler just turned off and the radiator registered 40.6°C. The wall about a meter from the radiator registered 16.6°C. I tried to get the IR behind the barrier, but I'm afraid that there is too much heat from radiator effecting the reading, the lowest I got was 19.5°C, but I can feel with my fingers that the wall behind the barrier is colder than the spot a meter away. __________________ Ecorenovation - the bottomless piggy bank that tries to tame the energy hog. Last edited by Piwoslaw; 12-30-12 at 01:08 PM..