TAFs represent a very cost-effective and highly desired finished look for ICF homes and commercial buildings. While the application of TAFs over ICFs is, in reality, really quite simple, there are some very rudimentary details that must be considered before beginning the application of the finish to ensure optimal performance of the wall.
Pursuant to the Canadian Standards Association’s Guideline on Durability (CSA S478-95), one point can be earned for developing and implementing a building durability plan. Paradoxically, this sole point for durability has met with a firestorm of resistance from insurance companies who consider it an implied warranty.
The switch to steel is for numerous reasons, such as uniform product quality and lighter weight for easier handling and framing. Owners and builders also see steel as durable for longer life and better security.
True today as it was two decades ago, the lack of or improperly designed or installed flashings at transitions should be the primary consideration in designing exterior envelopes. Architects should not dismiss the lessons of the past or tried-and-true details that have proven themselves over decades of service.
by MarkFowler KeithSoltnerAIA
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