Here the river flows through the Hells Canyon National Recreation Area and forms the boundary between Idaho and Oregon. The 652,488-acre recreation area includes the nearly 215,000-acre Wells Canyon Wilderness with the Snake River flowing through and adjacent to it.
According to Remodeling Magazine, a 200-square foot sunroom addition with footings and slabs-on-grade foundation can cost up to $70,000, while a survey conducted on HomeAdvisor.com found the average cost on sunroom additions ran around $16,315.
To build a sunroom, the typical costs include: 1  According to Hanley Wood and their Remodeling magazine the average sunroom addition in which a slab is poured, post and beam construction is used, and a four-season space is created will cost $72,000. Install bead board ceiling-Average price per bundle (6 boards at 8' lengths) $30. 2  Total cost $240, plus installation time of roughly 12 hours; 3  Moldings-Average of $3.00 per foot of installed molding for a total of roughly $750 to complete framing around all doors, windows, and skylights;