Comments on: How To Insulate A Concrete Floor http://www.homeconstructionimprovement.com/how-to-insulate-a-concrete-floor/#utm_source=rss&utm_medium=rss&utm_campaign=how-to-insulate-a-concrete-floor Expert Home Improvement Advice Sun, 12 Feb 2012 23:48:06 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Toddhttp://www.homeconstructionimprovement.com/how-to-insulate-a-concrete-floor/#comment-63267 Todd Sun, 12 Feb 2012 16:31:04 +0000 http://www.homeconstructionimprovement.com/?p=5879#comment-63267 Mike - You can try but the results can be less than desirable depending on how flat your floor is. The foam is plenty strong, it's just a matter of how well it "sits" down. Mike – You can try but the results can be less than desirable depending on how flat your floor is. The foam is plenty strong, it’s just a matter of how well it “sits” down.

]]> By: Mike Shttp://www.homeconstructionimprovement.com/how-to-insulate-a-concrete-floor/#comment-63264 Mike S Sun, 12 Feb 2012 15:05:38 +0000 http://www.homeconstructionimprovement.com/?p=5879#comment-63264 Todd, Thank you so much for your website. I have just finished my 2" XPS on my walls and sealed the rim joists. I am heading to the lumber yard later today to pick up my wood for framming. I am looking ahead and I'm thinking about putting a laminate hardwood down. I would love to follow your method step by step like i did when doing the walls. However I am worried about ceiling height. Would I be able to put 1" XPS glued down with the foam adhesive, and then lay my flooring right on top of this. The laminate wood is a snap together type which does not need to be glued or nailed to a floor. Again thank you so much for your great website. Mike S Todd,
Thank you so much for your website. I have just finished my 2″ XPS on my walls and sealed the rim joists. I am heading to the lumber yard later today to pick up my wood for framming. I am looking ahead and I’m thinking about putting a laminate hardwood down. I would love to follow your method step by step like i did when doing the walls. However I am worried about ceiling height. Would I be able to put 1″ XPS glued down with the foam adhesive, and then lay my flooring right on top of this. The laminate wood is a snap together type which does not need to be glued or nailed to a floor. Again thank you so much for your great website. Mike S

]]> By: Toddhttp://www.homeconstructionimprovement.com/how-to-insulate-a-concrete-floor/#comment-63140 Todd Sat, 04 Feb 2012 22:58:05 +0000 http://www.homeconstructionimprovement.com/?p=5879#comment-63140 Steve - Thanks for stopping by.1. That intent is actually to use XPS. 2. Typically 12" or 16" on center. 3. Sometimes it's easier to fasten the sleeper, then lay the plywood and fasten to the sleeper. Vs trying to get the plywood to lay flat by Tapcon'ing it. 4. Yes 5. Glue is not necessary. 6. Yes. Steve – Thanks for stopping by.

1. That intent is actually to use XPS.
2. Typically 12″ or 16″ on center.
3. Sometimes it’s easier to fasten the sleeper, then lay the plywood and fasten to the sleeper. Vs trying to get the plywood to lay flat by Tapcon’ing it.
4. Yes
5. Glue is not necessary.
6. Yes.

]]> By: Stevehttp://www.homeconstructionimprovement.com/how-to-insulate-a-concrete-floor/#comment-63099 Steve Fri, 03 Feb 2012 18:42:30 +0000 http://www.homeconstructionimprovement.com/?p=5879#comment-63099 Todd,Great sites, useful information, have used many techniques that I have read on your different sites. Going to be finishing basement and had questions about insulating the concrete floor.Just so i understand your method for the insulated sub floor, its 1" Styrofoam, then 3/4" treated decking sleepers, then 3/4" advantech (or other sub-floor material), then finished flooring, is that correct?A few questions i have 1. Can XPS be used in stead of Styrofoam?2. How far apart should the sleepers be spaced?3. What is the point of the sleepers, wouldn't they cause more compression in the Styrofoam, since the load is not distributed over the whole foam panel, its only being distributed by the width of the treated decking sleepers?4. Due to ceiling heights, can we remove the sleepers, and put advantech directly on the Styrofoam?5. If we use 1/2" foam for low ceilings, we place 6 mil vapor barrier first, then foam, then subfloor, do we still need to glue the foam to the vapor barrier, or everything will be held down when we attach the subfloor to the concrete?6. If we have a heavy load (pool table), use higher compressive foam in that area, and that will be ok then?Thanks in advance Steve Todd,

Great sites, useful information, have used many techniques that I have read on your different sites. Going to be finishing basement and had questions about insulating the concrete floor.

Just so i understand your method for the insulated sub floor, its 1″ Styrofoam, then 3/4″ treated decking sleepers, then 3/4″ advantech (or other sub-floor material), then finished flooring, is that correct?

A few questions i have
1. Can XPS be used in stead of Styrofoam?

2. How far apart should the sleepers be spaced?

3. What is the point of the sleepers, wouldn’t they cause more compression in the Styrofoam, since the load is not distributed over the whole foam panel, its only being distributed by the width of the treated decking sleepers?

4. Due to ceiling heights, can we remove the sleepers, and put advantech directly on the Styrofoam?

5. If we use 1/2″ foam for low ceilings, we place 6 mil vapor barrier first, then foam, then subfloor, do we still need to glue the foam to the vapor barrier, or everything will be held down when we attach the subfloor to the concrete?

6. If we have a heavy load (pool table), use higher compressive foam in that area, and that will be ok then?

Thanks in advance
Steve

]]> By: Toddhttp://www.homeconstructionimprovement.com/how-to-insulate-a-concrete-floor/#comment-63073 Todd Wed, 01 Feb 2012 22:58:08 +0000 http://www.homeconstructionimprovement.com/?p=5879#comment-63073 Troy - The thickness of foam on the floor isn't anywhere as critical as walls. I'd recommend a 6 mil poly vapor barrier, then the foam. So sure, 3/4" will work, less R value but still way better than no insulation. Best of luck. Please consider signing up for our FREE Weekly Newsletter. Troy – The thickness of foam on the floor isn’t anywhere as critical as walls. I’d recommend a 6 mil poly vapor barrier, then the foam. So sure, 3/4″ will work, less R value but still way better than no insulation. Best of luck. Please consider signing up for our FREE Weekly Newsletter.

]]> By: Troyhttp://www.homeconstructionimprovement.com/how-to-insulate-a-concrete-floor/#comment-63071 Troy Wed, 01 Feb 2012 19:26:44 +0000 http://www.homeconstructionimprovement.com/?p=5879#comment-63071 Hi Todd, Great site! Thanks for all the info.I have a question about insulating my basement floor. The only 1 inch XPS insulation that I can find readily available at the big box stores is 15 psi. Is that strong enough or can I get away with 3/4" XPS that is rated at 25psi?I guess even if the 15psi is enough I'm still curious if I can get away with 3/4" XPS to save that ever precious head room.Thanks, Troy Hi Todd, Great site! Thanks for all the info.

I have a question about insulating my basement floor. The only 1 inch XPS insulation that I can find readily available at the big box stores is 15 psi. Is that strong enough or can I get away with 3/4″ XPS that is rated at 25psi?

I guess even if the 15psi is enough I’m still curious if I can get away with 3/4″ XPS to save that ever precious head room.

Thanks,
Troy

]]>