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Technical Systems

Technical Systems | Architectural Wood Flooring
Architectural Wood Flooring
Architect & Designer Support Studio
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Technical Systems

Wood flooring systems
built from the subfloor up.

This page exists for architects and interior designers who want wood flooring systems—concrete or wood subfloor—that stay aligned with NWFA guidelines and real field conditions.

We don’t publish every detail here. Instead, we flag key system types and then work with your drawings to choose the right assemblies, tolerances, and responsibilities for your project.

🗂 Book a Technical Consult 📎 Submit Your Drawings
⬇️ Download Systems Overview (PDF)
Working basis: all recommendations are aligned with current NWFA Installation Guidelines and then adapted to your specific assemblies and project risks.
Systems Map

Where we plug into your drawings.

We focus on the systems that make or break a wood floor. Use this as a quick map and then send us the sheets you want to talk through.

System 01

Concrete subfloor systems

For towers, multi-family and penthouses where engineered wood is going directly over concrete and you need the subfloor to support it for the long term.

Assembly Diagram – Concrete
Engineered wood over slab
  1. 1
    Finished engineered wood floor Wide-plank or patterned engineered wood selected for the project’s design intent and performance requirements.
  2. 2
    Adhesive / acoustic / stress layer A system of adhesive and, where needed, acoustic or stress underlayment specified as a tested package.
  3. 3
    Concrete subfloor Prepared to flatness and moisture conditions consistent with NWFA guidelines and the selected wood/adhesive system.

Concrete subfloor guidance

We help you translate NWFA guidance into project-specific assemblies: what the slab needs to look like, what testing is expected, and how that ties back to your drawings, Division 09 language, and coordination with the GC and installer.

Where this system fits
  • High-end residential over concrete
  • Luxury multi-family & condo towers
  • Penthouses with large plank formats
What we help you avoid
  • Floors cupping, debonding, or moving because slab prep and moisture expectations weren’t clearly documented.
  • Confusion over who is responsible for testing, flatness, and corrective work before wood floors arrive.

In a consult, we review your details and specs and help align them with NWFA language and real-world installation practice.

System 02

Wood subfloor systems

For framed floors, sleepers and existing wood subfloors where structure, fastening, and subfloor prep have to support high-value wood flooring.

Assembly Diagram – Wood
Solid & engineered over wood
  1. 1
    Finished wood floor Solid or engineered plank, chevron or parquet, coordinated to the subfloor and fastening strategy.
  2. 2
    Underlayment / sheathing Appropriate panel underlayment or new sheathing layer, detailed and fastened to support the selected floor.
  3. 3
    Existing wood subfloor / structure Joists, sleepers or existing deck evaluated and prepared in line with NWFA guidance for flatness and soundness.

Wood subfloor guidance

On wood subfloors, we help you decide what stays, what gets overlaid, and how the fastening and underlayment strategy should be written so the floor behaves as expected across seasons.

Where this system fits
  • Townhouses and brownstones
  • Landmark and historic renovations
  • Upper floors on framed construction
What we help you avoid
  • Movement, noise and gaps driven by under-structured or under-documented subfloors.
  • Misalignment between NWFA recommendations and what the GC and installer think was “included.”

A short working session with your sections and notes lets us flag risks early and suggest language the whole team can live with.

Beyond the subfloor

Additional system categories we can address.

We keep the details reserved for working sessions, but these are common topics we are asked to align with NWFA guidance and project constraints.

Moisture & vapor control

Help with moisture testing responsibilities, mitigation strategies and how those show up in drawings and specifications so the wood floor isn’t blamed for a subfloor condition.

Discuss moisture strategy on a project

Radiant & environmental conditions

Guidance on pairing species and formats with radiant systems and environmental expectations so seasonal movement stays within acceptable limits.

Review a radiant or high-glass project

Need a second set of eyes on your details?

Send us the sheets that keep you up at night—subfloors, moisture notes, transitions, or coordination with other finishes. We’ll respond with system-level guidance you can fold into your documents.

📐 Book a Technical Consult 📎 Submit Your Drawings 📥 Request Assembly Diagram Examples