In multifamily construction, long-term building performance is determined by a series of decisions made long before residents move in. From structural durability and moisture management to fire resistance and energy efficiency, each component of the building envelope and structural system plays a role in helping protect the build, reducing maintenance, and helping enhance resident comfort.

As demand grows for durable, efficient, and resilient multifamily communities, builders and developers are increasingly looking for products that work together as a complete system. LP Building Solutions offers a portfolio of engineered wood products designed to help project teams address some of multifamily construction's most pressing challenges—from the first floor to the roofline and beyond.

Here are five key building-system decisions that can contribute to stronger, higher-performing multifamily projects.

1. Start with a Strong Foundation for Resident Comfort

A durable floor system can have a lasting impact on resident satisfaction and building performance. Floor squeaks, moisture-related issues, and uneven surfaces can result in callbacks and costly repairs after occupancy.

LP Legacy^® Premium Sub-Flooring is engineered to address these concerns while helping builders maintain high standards of quality throughout the construction process. Manufactured using a strand-based composite wood construction, LP Legacy^® panels are designed for stiffness, durability, and moisture resistance during the building phase.

The panels are engineered to help create a strong bond between wood strands and include RainChannel^® technology to help facilitate drainage of water from the panel surface during construction. Builders also benefit from the Covered Until It's Covered^® no-sand warranty and Lifetime Limited Warranty that lasts as long as the home.

Builder Insight

Pairing LP Legacy^® Premium Sub-Flooring with LP^® Structural Solutions Premium Sub-Floor Adhesive can help create a stronger sub-floor assembly and provide additional protection against floor squeaks. Together, they can contribute to a quieter, more durable living environment for future residents.

2. Prioritize Moisture Control and a Tight Building Envelope

Building-envelope performance has become increasingly important in multifamily construction, where moisture intrusion and air leakage can affect energy efficiency, durability, and resident comfort.

LP WeatherLogic^® Air & Water Barrier combines sheathing and a water-resistive barrier into a single system designed to help streamline installation while providing protection against air and water infiltration.

When properly installed and sealed, the system helps create a continuous exterior air barrier while allowing moisture vapor to escape. This balance can help reduce the risk of trapped moisture while contributing to improved thermal performance.

Additional benefits include:

• Structural I-rated sheathing for enhanced strength and stiffness
• Simplified installation compared to multiple separate components
• A clean, professional-looking jobsite
• A 30-year limited warranty

Builder Insight

For optimal performance, seal panel joints using LP WeatherLogic^® Seam & Flashing Tape or LP WeatherLogic^® Seam & Flashing Sealant. Together, these products help support a continuous barrier that protects the structure from the elements and contributes to long-term envelope performance.

3. Build Fire Resilience into the Design

Fire resistance remains a critical consideration in multifamily construction, particularly as projects grow in density and complexity. Builders, contractors, and designers must satisfy code requirements while maintaining construction efficiency and design flexibility.

LP BurnGuard™ FRT (Fire-Retardant-Treated) OSB and LP^® FlameBlock^® Fire-Rated Sheathing help project teams address these requirements with solutions designed to support fire-resistance objectives across a range of multifamily applications.

LP BurnGuard™ FRT OSB is treated with fire-retardant chemicals to help reduce flame spread and smoke development, while maintaining the structural performance builders expect from engineered wood panels.

LP^® FlameBlock^® Fire-Rated Sheathing combines the strength of OSB sheathing with a layer of Pyrotite^® coating, a non-combustible layer applied to one or both sides of APA Rated or Structural I OSB, and is evaluated for use in a variety of fire-resistance-rated wall assemblies.

Additional benefits include:

• Fire-resistance solutions for multifamily and light commercial construction
• Evaluated to help meet code requirements for fire-resistance construction
• Multiple 1-hour and 2-hour rated fire-resistance-rated wall assembles to choose from
• Potential installation efficiencies compared with some alternative assemblies
• Structural performance of engineered wood sheathing
• Long-term durability backed by limited warranty coverage

Builder Insight

LP BurnGuard™ FRT OSB installs much like traditional OSB sheathing, helping crews maintain familiar construction practices while meeting fire-retardant-treated wood requirements. LP^® FlameBlock^® Fire-Rated Sheathing is especially valuable in multifamily, mixed-use, and light commercial projects where fire-resistance-rated wall assemblies are required, and streamlined installation is a priority.

4. Finish with an Exterior Designed for Long-Term Performance

The exterior façade plays an important role in both building durability and curb appeal. Developers want siding solutions that help maintain appearance over time while standing up to exposure from weather and daily wear.

LP^® SmartSide^® Trim & Siding and LP^® SmartSide^® ExpertFinish^® Trim & Siding combines engineered wood technology with a variety of design options that support today's multifamily architectural styles.

Manufactured using the proprietary SmartGuard^® process, LP^® SmartSide^® products are engineered to help resist fungal decay and termite damage while delivering the warmth and character of traditional wood aesthetics.

Additional benefits include:

• Multiple profiles and textures
• Long lengths that may reduce seams and material waste
• Engineered wood durability
• Design flexibility for a variety of project types
• Backed by an industry-leading 5/50-year limited warranty, and LP^® SmartSide^® ExpertFinish^® Trim & Siding includes a 15-year limited warranty on the finish

Builder Insight

Combining LP^® SmartSide^® Trim & Siding or LP^® SmartSide^® ExpertFinish^® Trim & Siding with LP WeatherLogic^® Air & Water Barrier helps create a complete wall assembly that addresses both durability and building-envelope performance.

A Systems Approach to Multifamily Performance

Successful multifamily projects require more than quality individual products—they require a coordinated building-system approach. Every component, from the sub-floor and structural sheathing to fire protection, and exterior cladding, contributes to the long-term success of the building.

LP Building Solutions offers a portfolio of products designed to work together to help builders create more durable, efficient, and resilient multifamily communities. By focusing on key building-system decisions early in the construction process, project teams can help improve building performance, reduce future maintenance concerns, and deliver advanced value for owners and residents alike.

Because in multifamily construction, performance isn't determined by a single product—it's built from the ground up.

Refer to limited warranty at lpcorp.com/literature for complete details, including important limitations and exclusions.

Sponsored by LP