Lynden Door H8 (Hollow 1-3/8″) Interior Door

The H8 hollow core door weighs just 21 pounds for a 24x80 slab and 32 pounds for a 36x80 slab — numbers that matter when installers hang dozens of doors in multi-unit projects. This 1-3/8 inch thick door features a 3-degree bevel on one side, the standard prep that ensures smooth operation without binding. For contractors handling apartment renovations or production builds where speed and consistency trump everything else, the H8 delivers exactly what’s needed.

Weight Advantages Drive Installation Efficiency

At 21 pounds for a standard 24-inch door, installers move through units faster with less fatigue. Compare that to solid core alternatives that weigh double or triple, and the math becomes clear on large projects. Reviews emphasize the lightweight nature and easy installation, with contractors specifically noting how simple these doors are to hang.

The construction uses either MDF or fingerjoint wood edges, providing stable mounting points for hinges without the weight penalty of solid stiles. Standard hardware compatibility means these doors work with typical 2-1/8” bore locksets and 3-1/2” to 4” hinges — no special ordering required.

Specification	Value
24x80 Weight	21 lbs
36x80 Weight	32 lbs
Thickness	1-3/8 inches (35mm)
Edge Bevel	3-degree on one side
Edge Construction	Fiber (MDF) or Fingerjoint wood

Environmental Compliance Matters for Commercial Projects

The H8 meets CARB Phase II, TSCA Title VI, and SOR/2021-148 Canadian formaldehyde emission standards. For multi-family projects where documentation requirements keep growing, having these certifications in hand saves headaches during inspections. Lynden also offers FSC Mix chain-of-custody certified options and SCS Environmental Product Declarations for projects chasing green building points.

Applications span interior passage doors, bifold closet doors, light commercial uses including apartments and condominiums, and budget-friendly builds. The certification stack means these doors work in regulated environments where cheaper imports might not pass muster.

Face Options and Factory Finishing Cut Project Timelines

Face materials include wood veneers in various species, molded profiles both smooth and embossed, pre-finished and primed hardboard, High Pressure Decorative Laminate, and paint grade MDO. Lynden offers custom factory stain and paint options, which beats field finishing by weeks on large projects.

Pre-finished options like Albany Maple save time and labor according to contractor feedback. Factory finishing eliminates the drying time, ventilation requirements, and weather delays of on-site work. The stable surface takes top-quality finishing when field application is necessary.

Installation requires sealing all six sides — top, bottom, both faces, and both edges — with proper sanding and cleaning between coats. Doors typically arrive as slabs requiring hinge and bore prep, though factory prep is available. Storage demands a dry, clean, well-ventilated environment with vapor barriers if stored before finishing.

The Verdict

The H8 makes sense for high-volume residential work where lightweight handling and quick installation matter more than acoustics or impact resistance. Reviews position it as a reliable builder-grade option known for affordability. The door provides standard interior performance but lacks the heft of solid core alternatives.

Within Lynden’s lineup, the P8 particleboard core version offers more solid feel and better sound dampening at the same 1-3/8” thickness. The H4 hollow and P4 particleboard versions step up to 1-3/4” thickness with fire-rating options, while the Architectural Series adds bonded sanded cores with lifetime warranties versus the H8’s 1-year coverage.

For Montana’s growing multi-family market — where speed of installation directly impacts profitability — the H8’s combination of light weight, environmental compliance, and factory finish options delivers real jobsite value. Not the door for custom homes or acoustic privacy. But for apartments, condos, and production builds where every minute counts, it does exactly what it’s designed to do.

FAQs

What’s the actual weight difference between H8 hollow core and solid alternatives?

The H8 weighs 21 pounds for a 24x80 door and 32 pounds for 36x80. Solid core doors in the same sizes typically weigh 45-60 pounds and 70-90 pounds respectively. That’s less than half the weight, which adds up fast when hanging 50+ doors.

Do these doors require special handling for the 3-degree bevel?

The 3-degree bevel comes on one side only and follows standard door prep conventions. No special handling needed — just ensure the beveled edge faces the correct direction during installation for proper closure.

How much do the certifications actually matter for local projects?

CARB Phase II and TSCA Title VI compliance increasingly show up in commercial project specs, especially for multi-family housing. Having these certifications already in place avoids delays during submittal reviews.