Learn About Spray Foam

Most contractors hope you don't ask these questions. We wrote a page on each one.

Open Cell vs Closed Cell Spray Foam: What Oklahoma Homeowners Need to Know

A technical comparison of open cell and closed cell spray foam insulation — R-values, density, vapor permeability, cost, and where each type belongs in Oklahoma's Climate Zone 3.

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Vented vs Unvented Attics in Oklahoma: Building Science Behind the Choice

Technical breakdown of vented and unvented attic assemblies for Oklahoma homes — IRC R806.5, ductwork placement, moisture management, and why unvented attics outperform in Climate Zone 3.

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How Much Spray Foam Do I Need? Oklahoma Code Requirements and Real-World Depths

Oklahoma's 2009 IECC prescriptive R-values, Bo's standard spray foam depths, and how REScheck performance path compliance works. Includes comparison tables and an honest look at contractors who skip documentation.

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Thermal Barriers and Ignition Barriers for Spray Foam: IRC R316 Explained

IRC R316 requires thermal barriers in occupied spaces and ignition barriers in attics and crawlspaces over spray foam. ESR-approved intumescent coatings, code requirements, and what happens when contractors skip this step.

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Dehumidifiers in Unvented Attics: 2018 IRC Moisture Management for Oklahoma

2018 IRC R806.5 moisture requirements for unvented attics in Climate Zones 1-3, how closed cell and open cell spray foam handle moisture differently, and when dehumidification is necessary in Oklahoma homes.

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REScheck and Performance Path Compliance for Spray Foam Insulation

What REScheck is, how the performance path differs from prescriptive compliance, why spray foam uses it, and why Bo's Spray Foam files a REScheck on every job in Oklahoma City.

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Blower Door Tests: Measuring Air Tightness After Spray Foam Insulation

What blower door tests measure, how ACH50 and CFM50 work, 2018 IRC air tightness requirements, and why spray foam retrofits in Oklahoma routinely outperform new construction code minimums.

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Why Temperature Matters for Spray Foam Insulation Installation

Chemical temperatures, drum storage requirements, substrate minimums, and how temperature failures cause adhesion problems, off-ratio foam, and callbacks. Bo's verifies every surface with an IR thermometer.

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Spray Foam Warning Signs: How to Spot a Bad Installation

How to identify failed or substandard spray foam insulation — yellowing, odor, shrink-back, inconsistent depth, missing ignition barriers, and absent documentation. What to look for and what to do about it.

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