Building

Understanding Insulation Blowing Agents: EPA Regulations and the Push for Lower Global Warming Potential

The topic of insulation choices in residential and commercial construction goes far beyond simple R-values and installation methods. Behind the scenes, a complex regulatory landscape governs the chemicals used to manufacture foam insulation products, with significant implications for both thermal performance and environmental impact. Recent regulatory developments have highlighted the tension between industry capabilities and […]

Why Windows Matter Most in Hot Climate Home Design

When designing homes for hot climates, builders and architects often focus heavily on wall insulation, assuming that higher R-values are always the top priority. But the reality is different. In regions where the difference between indoor and outdoor temperatures is modest, the performance of glazing and window assemblies becomes far more significant than insulation levels

Why Straw Bale Construction Deserves a Fresh Look from Builders

Straw bale construction remains one of the most misunderstood yet promising building methods available to residential builders today. Mention it on a job site, and you will likely hear the same objections: concerns about rot, fire hazards, insect infestations, moisture damage, and air leakage. Despite decades of testing, a proven track record, and buildings still

Urban Rustic Basement Paint Splatter: A Creative Floor Finish That Works

The concrete basement floor is often treated as an afterthought in home construction, receiving little more than a basic sealer before being hidden under storage boxes and gym equipment. Yet this same surface presents a genuine opportunity for creative expression, especially when budget constraints rule out expensive tile or engineered flooring. The paint splatter technique,

Insulating Walls in an Old House With No Sheathing

When you strip away the lath and plaster during a gut rehab of an older wood-framed home, you expect to find sheathing boards on the exterior side of the studs. But in many pre-1940s houses, there simply is no sheathing at all. The stud bays open directly onto the back side of the siding, with

How Modern Technologies Take Priority in Net-Positive Home Construction

When designing a high-performance home, builders today face a critical question: which technologies should take priority to deliver the best balance of energy efficiency, occupant comfort, and long-term value? A compelling example comes from a recently completed 2,540-square-foot net-positive single-family home in Everson, Washington, where the builder chose to prioritize advanced HVAC systems, smart-home automation,

Moldy Roof Sheathing in the Pacific Northwest: Causes, Prevention, and Remediation

Homeowners and builders across the Pacific Northwest have been confronting a persistent and troubling issue: mold growing on roof sheathing in attics. This problem, particularly widespread in the cool, damp climate of Oregon, Washington, and British Columbia, stems from a convergence of factors including inadequate ventilation, air leakage from conditioned spaces, and seasonal temperature differentials.

Low Carbon Homes: Embodied Carbon Strategies for Residential Construction

The construction industry has long focused on operational energy efficiency, measuring how much energy a home consumes once it is occupied. But a growing movement, highlighted in articles such as A Look at Low Carbon Homes on Green Building Advisor, is shifting attention toward the carbon emitted during the building process itself. This carbon, known

Calculating the Global Warming Potential of Different Insulation Materials

When builders and homeowners choose insulation, the primary considerations are usually thermal performance, cost, and ease of installation. However, there is another factor that deserves equal attention: the global warming impact of the insulation material itself. As highlighted in a landmark article by Martin Holladay published on GreenBuildingAdvisor, certain foam insulation products contain blowing agents