Latest Discussions : Basement & Foundation

stogie

05:15PM | 09/26/06
Member Since: 09/25/06
1 lifetime posts
I built a 3 story house in Erie, PA. The 1st floor garage is 10" block. I have installed a heated tubing system in the concrete garage floor and in the two stories above it. The house is right on the lake, it is 50' deep by 20' wide. I pumped the 1st 20' of the block towards the lake with concrete and rebar since the lake can actually hit the house in a really bad storm (maybe once a year). The rest of the block does not have concrete or insulation in it.

Since my floor is heated, I want to make sure I don't waste energy through the block. This is where I am getting several opinions and can't seem to find an answer on R-values.

Some friends suggest I drill holes and pump insulation into the block without insulation. Some say that I should put up 2x4 walls along the outside, insulate them and then drywall or plywood.

Can anyone tell me what the R-value of 10" block filled with concrete, vs. 10" block filled with blown insulation? Clearly the 2x4 walls with R16 would be great - but also more money and if water ever comes in, the damage would be greater.

Any advice would be greatly appreciated.


fugazi48

07:35AM | 09/28/06
Member Since: 03/08/06
192 lifetime posts
this info on Foundation insulation may apply, http://www.healthgoods.com/education/healthy_home_information/Insulation/insulating_foundations.htm

and http://www.eere.energy.gov/consumer/your_home/insulation_airsealing/index.cfm/mytopic=11460

from the Government: Types of Concrete Block Insulation

http://www.eere.energy.gov/consumer/your_home/insulation_airsealing/index.cfm/mytopic=11570


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