07:41AM | 09/15/01
Member Since: 09/14/01
1 lifetime posts
Last year we build a large addition containing a new master bedroom, bathroom and walk-in closet. We dug no basement, just a crawl space insulating and polying plastic the walls. I have one heat vent under the crawl space but we find the floors to be very cold still. Just wondering if there are any new products out there that would help make the space warmer. Left the ground bare, should I be doing somethere to also help. Any advice would be helpful, unfortunately we chose ceramic tile and believe me it is cold!


11:20AM | 09/15/01
Member Since: 06/03/01
327 lifetime posts
Did you insulate the floor? That would seem to be the obvious step if not already done. Start with a radiant barrier product to reflect heat back up into the room and then insulate well. Should make a big difference.

Jay J

04:18PM | 09/15/01
Member Since: 10/26/00
782 lifetime posts
HI powwow,

I agree - Check the insulation.

I replaced my insulation and ran nylon string in a perpendicular direction to the joists while using roofing nails to 'wrap' the string around as I went (to hold the insulation up. I used Kraft-sided insulation with the Kraft facing UP towards the heated floor.) The duct, itself, should be insulated independent of the floor. You can find duct insulation in the Home Centers.

Also, depending on where you live ..., if you have vents in the crawl, you may be OK to close them in Winter. Do check around.

My best to ya and hope this helps.

Jay J -Moderator

PS: Forget heating the crawlspace. If you want a REALLY warm floor, look into a Warm Floor System. They're AWESOME. I'd do this as a LAST resort since you really won't enjoy the full benefits of it sinc you'll only be 'using' it during sleeping hours. Don't misunderstand me - That's nice. But a warm floor system is really 'cool' underfoot.

PPS: God bless America


03:44PM | 09/28/01
Member Since: 09/23/01
242 lifetime posts
Tile is a cold floor unless you have some kind of radiant floor heat system. Is it thruout the addition or only in the bath? You mentioned that you left the ground bare and insulated and poly wraped the walls? WHY? Put 6 mil. poly on the ground as a vapor barrier and insulate the floor with at least R-19 insulation bats, tie up with string as Jay-J suggested.


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