Everything you need to know about DIY spray foam insulation kits - types, sizes, costs, step-by-step application, safety requirements, and when to go pro. Expert guidance from R-Value Associates.
Tile roofs demand underlayment that can handle extreme heat, heavy weight, and a 50+ year lifespan. Learn about high-temp synthetic, self-adhering, and two-ply underlayment systems that match the durability of tile roofing.
When it comes to protecting a building's envelope from moisture intrusion and air leakage, house wrap tape plays a critical role that's often underestimated. While the house wrap itself provides the primary barrier against water and air infiltration, the tape is what ensures all seams, overlaps, and penetrations remain fully sealed. Without proper taping, even [...]
When choosing between Typar house wrap and Tyvek for your construction project, understanding the key differences in performance, durability, and cost is essential. Both products have earned their place in the building materials market, but they take distinctly different approaches to moisture management and vapor control. In this comprehensive comparison, we examine Typar and Tyvek [...]
In modern construction and building science, few concepts are as fundamental – or as frequently misunderstood – as the building envelope. Whether you’re designing a new structure, renovating an existing building, or simply trying to improve energy efficiency, understanding building envelope design is essential to creating comfortable, durable, and cost-effective buildings. What Is a Building [...]
When selecting rigid foam insulation for your building project, understanding R-values across different material types and thicknesses is critical for achieving optimal thermal performance. This comprehensive guide breaks down the R-values for the three primary rigid foam insulation types - expanded polystyrene (EPS), extruded polystyrene (XPS), and polyisocyanurate (polyiso) - helping you make informed decisions [...]
Best House Wrap for Residential and Commercial Construction in 2026 After decades of Tyvek dominance, the house wrap market has matured into a field where performance specifications matter more than brand recognition. For contractors and builders looking beyond the "safe but aging" legacy standard, Rex Wrap Royal has emerged as the performance upgrade that doesn't [...]
The open cell vs. closed cell question isn’t about which is “better”—it’s about which meets code requirements and performance criteria for the specific application. Get it wrong and you’re either over-specifying (wasting money) or under-specifying (creating liability). Here’s the decision framework we use when specifying spray foam for commercial and residential projects, organized by building [...]
When researching house wrap for your building project, you might wonder about its R-value – and whether that number actually matters. At R-Value Associates, we get this question constantly. The short answer? House wrap does have a minimal R-value, but that’s not why you need it. Understanding what R-value means and how house wrap actually [...]
Proper house wrap installation is one of the most critical steps in creating a durable, energy-efficient building envelope. Whether you’re a seasoned contractor or a builder looking to refine your installation techniques, this comprehensive guide covers everything you need to know about installing house wrap correctly the first time. Why Proper House Wrap Installation Matters [...]
