1 by 4's
08648
Donation
Wood (dimensional lumber)1"x4"x8'
Available until January 31, 2026
Wood (dimensional lumber) — 1 lbs • 0.6 kg CO₂e
Total ≈ 1 lbs • 0.6 kg CO₂e
Circular materials marketplace
Waste less. Build smarter. Join the circular future of construction.
CircularBuild is a donation-first marketplace that keeps surplus materials in motion. Share what's left on your job site, match it with builders in real time, and document the climate impact every donation creates.
25 lbsMaterials diverted
8Active users
3.5 daysAvg. pickup time
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Stain glass window
75001
Donation
Glass2' by 3'
Available until January 24, 2026
Glass (soda-lime) — 12 lbs • 3.3 kg CO₂e
Total ≈ 12 lbs • 3.3 kg CO₂e
2 by 4s free to a good home!!
08648
Donation
Wood2"x4"x5'
Available until December 31, 2025
Stories from the field
Donors and builders proving circular works at scale.
Coordinated pickups, transparent chat threads, and impact-ready reporting keep reuse simple for both sides of the exchange.
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Read briefingConstruction Hits Record Employment … but the Real Scarcity Might Be Materials, Not Workers
If you ever wanted proof that the U.S. construction industry refuses to slow down, look no further than its newest historical milestone: employment levels have…
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