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buffalobillpatrick · 01-02-18, 09:16 AM

All of the structural load bearing of the upstairs & roof is on the downstairs perimiter concrete walls, so no load bearing on the downstairs interior walls.

In the Spring I will start on the interior wall framing. For the downstairs 10’ walls I will use LSL’s expensive but straight, 24” OC

Most of the inside walls will be shiplap pine painted white. I’m avoiding Sheetrock if possible.

I have decided to fill the perimeter stud walls with R15 Roxul for a total of R40 including the 7” of foam on the inside of the concrete exterior walls. These walls will be 21” thick.

The roof has R49 for 85% of it & R63 for the 15% that frames the sloped 4’ sides of the upstairs ceiling, this is all closed cell SPF. ($12,600)

The top of exterior concrete walls to truss junction at the top plates is very well air, moisture, & thermally sealed with the same closed cell SPF. This is a critical area that is very important to get it right.

01-02-18, 09:16 AM	#43
buffalobillpatrick Master EcoRenovator Join Date: Mar 2014 Location: Florissant, Colorado Posts: 599 Thanks: 814 Thanked 59 Times in 55 Posts	All of the structural load bearing of the upstairs & roof is on the downstairs perimiter concrete walls, so no load bearing on the downstairs interior walls. In the Spring I will start on the interior wall framing. For the downstairs 10’ walls I will use LSL’s expensive but straight, 24” OC Most of the inside walls will be shiplap pine painted white. I’m avoiding Sheetrock if possible. I have decided to fill the perimeter stud walls with R15 Roxul for a total of R40 including the 7” of foam on the inside of the concrete exterior walls. These walls will be 21” thick. The roof has R49 for 85% of it & R63 for the 15% that frames the sloped 4’ sides of the upstairs ceiling, this is all closed cell SPF. ($12,600) The top of exterior concrete walls to truss junction at the top plates is very well air, moisture, & thermally sealed with the same closed cell SPF. This is a critical area that is very important to get it right. Last edited by buffalobillpatrick; 01-02-18 at 11:32 AM..