Mass timber is great, but it will not solve the housing shortage
Mass timber is praised for enabling taller wooden buildings and storing carbon, but many commenters argue it won’t meaningfully ease housing shortages because it’s often more expensive than conventional framing and aimed at mid‑rise projects, not cheap mass housing. The core problem, they contend, is political and regulatory: restrictive zoning, NIMBY opposition, parking minimums, and slow permitting keep overall supply low and block dense, mixed‑use, “missing middle” housing where people want to live. Proposals range from upzoning and office-to-residential conversion to taxing vacant or investor-owned properties, with broad agreement that material innovations alone cannot fix a largely policy-driven affordability crisis.
Mass timber vs. other construction
- Many note mass timber is intended to replace steel/concrete mid‑ and high‑rise, not stick‑built single‑family homes.
- It uses more wood volume than light framing; some see this as acceptable for taller buildings with long spans, stiffness, and aesthetic appeal, others see it as wasteful and expensive.
- Several argue the real comparison is cost and performance against reinforced concrete, not studs and trusses; evidence from specific projects is mixed and context‑dependent.
- For low‑rise housing, most agree mass timber won’t be cost‑competitive soon and thus can’t “solve” the shortage.
Root causes of the housing shortage
- Broad consensus: the shortage is mostly political and regulatory, not technological.
- Repeated themes: restrictive zoning (especially single‑family only), lengthy and subjective permitting, NIMBY lawsuits, parking minimums, and infrastructure constraints.
- Some emphasize under‑building relative to population growth; others stress maldistribution (jobs and people clustered in a few metros while other areas have excess housing).
- There is disagreement about how much vacant units, corporate ownership, Airbnbs, and immigration contribute; some call them major drivers, others say data shows their impact is secondary to zoning/supply.
Density, urban form, and lifestyle
- Strong current arguing for more “missing middle” housing (3–5 story walkable, mixed use) rather than only SFH or towers.
- Many describe US suburbia as space‑ and infrastructure‑inefficient and implicitly subsidized, though some dispute the subsidy evidence.
- Others insist most Americans still prefer detached homes and privacy; they see apartments as noisy, fragile, and socially risky.
- Post‑Soviet, European, and Asian cities are cited as counterexamples where dense multifamily is normal and walkable, but critics point to differing culture, climate, and transit quality.
Construction costs and industry realities
- Multiple practitioners say materials are only part of the cost; land, labor, permits, and code requirements dominate.
- Construction is conservative because failures are catastrophic and warranties long; innovation is slow and path‑dependent.
- Examples of costly requirements: insulation standards, seismic/fire codes, road/utility upgrades, asbestos abatement, impact fees.
Environment and materials
- Debate over timber as a carbon sink vs. current unsustainable forestry and pellet use.
- Concrete’s CO₂ emissions are acknowledged; some note longevity and innovations (e.g., alternative reinforcement, “self‑healing” mixes).
Policy ideas (contested)
- Proposals include: zoning reform/upzoning, taxing vacant or non‑primary homes, limiting corporate ownership, land value tax, promoting ADUs and SROs, better transit, and reusing offices.
- Strong disagreement on punitive landlord/vacancy taxes, rent control, and extreme anti‑investor measures; many warn they’d backfire or be politically impossible.