Zone 3/Central GA 12x32 weekend cabin on 36" above grade piers
Building Envelope Critique Please/Materials purchased and we're about to begin:
1) From interior: 1x6 T&G pine fastened directly to 2x6 studs 24" OC; R-19 fiberglass batts/caulked gaps & seams; 1/2" plywood sheathing; one layer 1/2" pink foam board/taped seams; 4x8 exterior panels. Where is best positioning for my WeatherMate Plus wrap?
2) Floor system: 2x10 joists; R-19 batts; two layers of 1/2" plywood; interior flooring to be reclaimed heart pine planed to 3/4" glued and cut-nailed to plywood. Considering Building Science article approach to apply 1/2" pink foam board to underside of joists/tape seams. May WeatherMate Plus wrap be incorporated and between what layer(s)?
3) Roofing from interior: Same T&G as on walls directly to 2x6 rafters 24" OC; R-19 batts/caulk & sealing; 1/2" plywood; 2 layers of 1/2" foam board/taped seams (overkill in zone 3?); purlins and 5V galvanized metal roof. I have excess of WeatherMate Plus wrap - may it be utilized in the roofing plan in lieu of #30 felt? 4 x 12 pitch gable with no penetrations in the roof deck.
The cabin will have a small bathroom with shower/sink/through wall exhaust fan. No cooking will take place indoors.
Please provide ALL pro and con comments and suggestions. This is a fantastic site, along with Building Science and Fine Homebuilding Magazine!. Thanks in advance.
Posted Fri, 03/14/2014 - 08:31
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