Building

Rethinking Air Sealing: Why Building Tight and Ventilating Right Beats Leaky Construction

The debate over how airtight a home should be has persisted among builders for decades. A vocal minority still argues that homes need to be “a little bit leaky” to prevent rot and maintain healthy indoor air. This position, while rooted in genuine concerns about occupant health and material durability, misunderstands how moisture actually behaves […]

Porcelain Tile Flooring for Urban Rustic Homes

The urban rustic design movement combines industrial materials with warm, natural finishes to create living spaces that feel both modern and grounded. Porcelain tile plays a central role in this aesthetic, offering the look of aged concrete and stone while delivering superior durability for high-traffic areas. Homeowners planning new construction or major renovations should consider

Comparing Wall Assembly Strategies: A Guide to High-Performance Building Envelope Design

The Fundamentals of Wall Assembly Design Wall assemblies are the most critical component of a building’s thermal envelope, determining energy performance, durability, occupant comfort, and moisture management for the life of the structure. Every wall assembly must simultaneously manage four control layers: water management, air control, vapor control, and thermal control. Understanding how these layers

Why Single-Family Zoning Is Fading: The Shift Toward Multifamily Housing

For generations, the single-family detached house has stood as the centerpiece of the American dream. Zoning laws across the United States have historically prioritized large-lot single-family development, shaping suburbs and city neighborhoods alike. But a quiet shift is underway. Cities like Minneapolis and states like Oregon have begun allowing duplexes, triplexes, and other multi-unit housing

Dimple Mat Drainage for Dry Basement Walls: What Homeowners Need to Know

A damp basement is one of the most frustrating problems a homeowner can face. Water seeping through foundation walls leads to musty odors, mold growth, damaged belongings, and costly structural repairs. One of the most effective approaches is installing a dimple mat drainage system on the exterior side of basement walls. This simple membrane creates

Managing Moisture Risk in Unoccupied Buildings: Lessons from Hygrothermal Field Monitoring

When a building sits unoccupied for weeks or months, the careful balance of temperature, humidity, and airflow that occupants normally provide is disrupted. Building professionals are increasingly confronted with questions about what happens inside a sealed, unmonitored structure and how to prevent costly moisture damage. Whether due to seasonal vacancy, delayed occupancy, or pandemic-related shutdowns,

Installing a Heat-Pump Water Heater: Practical Lessons for Energy-Efficient Homes

Heat-pump water heaters represent one of the most significant advances in residential domestic hot water technology in decades. Unlike conventional electric resistance water heaters that generate heat directly, these systems use refrigeration technology to move heat from the surrounding air into the water tank, achieving efficiency levels that can be two to three times higher.

Polyisocyanurate Rigid Foam and Thermal Drift Understanding Long Term Insulation Performance

Commercial roof systems represent vast surface areas of building envelopes, and the rate of energy transfer across these roofs significantly influences overall building energy performance. Polyisocyanurate rigid foam has become the predominant insulation choice for low-slope commercial roofing across North America, valued for its higher R-value per thickness compared to alternative insulation materials. However, like

Construction in the Pandemic Age: Lasting Changes to Building Practices and Job Site Safety

The COVID-19 pandemic fundamentally reshaped nearly every industry, and the construction sector was no exception. While many industries ground to a halt in early 2020, construction continued operating, albeit under radically transformed conditions. Builders, contractors, and construction firms faced unprecedented challenges: maintaining worker health on job sites, navigating disrupted supply chains, and adapting to new

How Passive House Networks Are Transforming Building Education Through Virtual and In-Person Events

The way building professionals learn about high-performance construction has changed dramatically over the past decade. Central to this transformation is the role of Passive House design and construction networks that connect architects, builders, engineers, and policymakers. These networks organize conferences, workshops, and site tours that serve as the primary vehicles for spreading building science knowledge.