Indoor Swimming Pool Wall Detail
I have been asked to finish an indoor pool that was built about 18 years ago. The building has stood up well and the only signs of damage were from water intrusion at an exterior door. The building was not heated and the pool was not heated during this time with exhaust only venting, which is why I believe there has been no notable moisture damage.
The renovated room and pool will be heated with a Geo thermal system designed for the room and the humidity. The room is attached to the existing home. 2 inches of spray foam have been applied to all adjoining walls, all doors to the room are exterior insulated doors. The windows and doors are all new and double payne insulated. The GEO system will blow on all doors and windows in addition to the room in general and will included an exhaust only fan to promote negative pressure in the building.
Currently the walls are 2x6 @ 16 oc, uninsulated with continuous plywood exterior sheeting, Typar rain screen and vinyl siding.
The roof is a gramble design and about 18 to 20 feet at the center, with plywood decking and 15 lb felt with 30 year shingles.
After reading every post on this site that mentions a pool I understand the consensus is that it is folly to even undertake this project. I have also gleaned the best insulation and vapor barrier design may be the following:
Dense pack the stud bays with cellulose
Cover with 2 inches of foam panels sealed at all joints and at all fasteners.
1/2 inch Dens Armor Plus
Tile with in the first 24 inches of the floor
High quality paint sealer
Treat the ceiling the same as the walls only thicker
Spray the walls adjoining the house to full 5.5 inch depth.
I am in Zone 4A and with in 20 miles of the Atlantic Coast.
If this is not the best wall please recommend a better approach.
What other details should I consider.
Posted Wed, 06/13/2012 - 23:37
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