Wall 1N

Wall System 1N

Wall Assembly #1 – 1N
Required Nominal R (RSI): 22 (3.87)
Effective R (RSI) OUTSIDE Nominal R (RSI)
0.17 (0.03) Exterior Air Film 22 (3.87)
0.62 (0.11) Vinyl Cladding (No Air Space)
0 Building Paper
0.62 (0.11) 7/16" (11.1mm) Wood Structural Panel Sheathing
14.48 (2.55) 2x6 SPF w. R22 batt @ 16" o.c.
0 Polyethylene
0.45 (0.08) 1/2" (12.7mm) Gypsum Board
0 1 Coat Latex Primer and Paint
0.68 (0.12) Interior Air Film
17.02 (3.00) INSIDE 22 (3.87)

Complexity


Complexity
  This wall is easily constructed using traditional methods. Trades are familiar with the methods used to construct this wall. The structural wood panel may act as a nailing base for the vinyl siding as well as brick tie attachment and may also be used as a substrate for stucco and/or foam plastic sheathing. A wood sheathing panel thickness of 7/16" is recommended to provide adequate racking resistance for the assembly. This assembly works well with the prefabrication process.
 

Cost


Cost
  This wall is highly affordable. Trades are familiar with the construction of this type of assembly and do not charge premiums. 
 

Moisture Vulnerability


Moisture Vulnerability
  This wall is very durable and has been used successfully for decades by the building industry. The vinyl siding acts as a rain screen and is non-absorptive, helping to avoid solar-driven moisture issues. The wall has excellent drying potential towards the outside. If moisture penetrates into this assembly the wood sheathing will allow it to dry rapidly to the outside. Proper detailing around penetrations such as windows and doors is required to minimize any risk of moisture related issues. On-site construction moisture must also be appropriately managed.
 

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