LP® FlameBlock®

LP® FlameBlock® Fire-Rated OSB Sheathing provides design flexibility while allowing you to meet fire codes. Most importantly, it works behind the scenes to provide peace of mind to your clients.

The Freedom To Design More Efficiently

Dream Big With Design

You don’t have to sacrifice design to build a safe structure. With LP® FlameBlock® Fire-Rated OSB Sheathing, you’ll protect your clients’ homes with a product that can help decrease flame spread by up to 30 minutes. And LP FlameBlock’s efficient assembly allows you to bring your ideas to life—while meeting code.

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Case Study

Burton Lumber Wins Major Multifamily Bid in Utah

LP® FlameBlock® Fire-Rated Sheathing was used in a UL-listed 349 wall assembly in a 2-hour fire-rated wall for a senior living center called Summit Vista. Team members from Utah-based Burton Lumber played integral roles to ensure that all partners were comfortable with the product and understood its value.

Inspiration Gallery

Browse through our collection of builds using LP FlameBlock Fire-Rated OSB Sheathing to find ideas for your next project.

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New Case Study: Multifamily Application of LP® FlameBlock® Fire-Rated OSB Sheathing for Labor-Saving Solution

We recently added a new case study to our online literature portfolio that showcases the labor saving benefits of LP® FlameB…

News & Stories8 min

Specifying 1 Hour Fire-Rated Walls

As product engineering develops, more and more architects are now looking for product solutions that bring added value to their 1 hour fire…

Business Advice7 min

Why Architects Value LP® FlameBlock® Fire-Rated Sheathing in Multifamily Design

With its design flexibility, strength and cost-saving benefits, LP® FlameBlock® Fire-Rated Sheathing has beco…