Now You
Can Do More
With Less.
Introducing a single panel that allows you to meet code and exceed expectations.
LP® FlameBlock® Fire-Rated OSB Sheathing has the versatility to be used in Type II,
III and V construction. It is a listed component in fi re-rated interior wall assemblies,
exterior wall assemblies and roof deck applications. Depending on the application,
LP FlameBlock sheathing may allow you to speed up timelines and reduce material
and labor costs.- ICC-certifi ed (ESR 1365) fi re-rated OSB sheathing
- Better substrate for securely fastening exterior facing
- Higher load/span ratings than FRT plywood at same thickness
- Exposure 1 weather-resistant classifi cation; withstands exposure to
moisture during normal construction delays
LP FlameBlock sheathing installs like regular OSB sheathing, which eliminates
the need for an extra layer of gypsum and can save you time and money.1-SIDED LP® FLAMEBLOCK®
IN INTERIOR LOAD-BEARING ASSEMBLY
UL DESIGN NO. U350A© 2016 Louisiana-Pacifi c Corporation. All rights reserved. All trademarks are owned by Louisiana-Pacifi c Corporation.
To learn more about LP FlameBlock,
visit LPCorp.com/Flameblock