Quotes: Dew Point Analysis vs. Hygrothermal Simulation

On Steady State/Dew Point Assessment (Glaser Method): BS EN ISO 13788:2002 Section 6.1 This standard gives calculation methods for: a) The internal surface temperature of a building component or building element below which mould growth is likely, given the internal temperature and relative humidity – the method can also be used to assess the risk…

Degradation of Fiber Cement Siding

Degradation Of Medium-Density Fiber Cement Siding

Fiber cement cladding has found wide acceptance as a durable and renewable material.   Since entering the U.S. market in the early 1990s, assumptions on its long-term resiliency have relied heavily on wet/dry cycling tests, but little is reported on its durability under typical in-service conditions.   Here we describe four stages of fiber cement degradation under…

Is TimberSIL Resilient?

TimberSIL is a glass-infused wood manufactured by Timber Treatment Technologies.  Marketed as a green substitute to conventional chemically-treated wood, TimberSIL has come under recent scrutiny for questionable performance under intended designed conditions.  We use this situation to discuss the implications of vetting new products on the basis of green material ratings. Criticisms have emerged over the product’s susceptibility to rot and poor acceptance of common coatings.  Perhaps…

Quotes: Building Durability

“In studying the art of house building, we discover that the most successful houses do not depend upon ornament, nor any particular kind of material, for their success, but rather upon good lines, simplicity and reasonableness. Any building worthy to be called a house should be built of enduring material, and with proper care should…