What is ipe wood?
Ipe wood is dense wood from the lapacho group of Handroanthus trees, also called guayacan or lapacho. USDA describes about 20 species in this group. It is used for decks, but its hardness makes machining moderately difficult; ask the installer to describe the cutting and finishing work.
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What this means for your home project
- Compare the supplier's board sample with the described contrast between pale sapwood and olive-brown heartwood; ask for the species description if they do not agree. Source: USDA Forest Products Laboratory, read 2026-11-03.
- Request a written scope that identifies the machining work and intended smooth surface finish, so the installer explains how those parts of the ipe job will be handled. Source: USDA Forest Products Laboratory, read 2026-11-03.
- Ask the installer to include dust handling in the work plan; USDA's 1984 handbook notes that the fine yellow dust may cause dermatitis, a skin reaction, in some workers. Source: USDA Forest Service, read 2026-11-03.
- For proposed glued exterior joints, request the adhesive selection and wet-exposure assumptions in writing; use the USDA study's difficult-bonding conditions as questions to resolve before choosing the joint. Source: USDA Forest Products Laboratory, read 2026-11-03.
- Describe it onceBy chat, or through your own AI assistant, and add photos.
- Post it and send itContractors bid in writing on that scope.
- Compare line by lineEvery quote is written against the same scope.
- You chooseContact details stay hidden until you pick and they confirm.
For your AI assistant
MCP connector · REST API · plain HTMLHand any of these to your assistant and it can help you write this job's request; you send the request yourself. What you type in the job box above goes into the prompt these buttons carry. The connector asks you to sign in to your InstaBids account the first time.
- MCP connector URL
https://instabids.ai/api/agent/mcp - Agent API (OpenAPI)
https://instabids.ai/openapi.json - Start-request link
https://instabids.ai/intake?from=glossary-ipe-wood&page_type=glossary&job=Install+ipe+wood+decking&utm_source=us&utm_medium=page&utm_campaign=glossary - Prompt for any AI, with your job
- ChatGPTOpens with the prompt
- ClaudeOpens with the prompt
- GrokOpens with the prompt
- GeminiCopies the prompt, then opens
Every page is plain HTML. Steps for every assistant: add to your assistant.
What does ipe look like?
Compare a board's cut face and grain with the supplier's species description before relying on its color alone. “Sapwood is relatively wide, yellowish gray or gray–brown, and sharply differentiated from heartwood, which is light to dark olive brown.” Source: USDA Forest Products Laboratory, read 2026-11-03. “The texture is fine to medium.” Source: USDA Forest Products Laboratory, read 2026-11-03. “The grain is straight to very irregular and often narrowly interlocked.” Source: USDA Forest Products Laboratory, read 2026-11-03.
How hard is ipe wood?
For a deck material comparison, use USDA's white-oak reference to put ipe's hardness in context. “Hardness is two to three times that of white oak (Quercus alba) or keruing (Dipterocarpus).” Source: USDA Forest Products Laboratory, read 2026-11-03. “The wood is very heavy and averages about 1,025 kg m–3 (64 lb ft–3 ) at 12% moisture content.” Source: USDA Forest Products Laboratory, read 2026-11-03.
Is ipe resistant to rot?
For decking beside seawater, ask separately about the exposure to marine borers when discussing decay resistance. “The wood is highly resistant to decay and insects, including both subterranean and dry-wood termites, but susceptible to marine borer attack.” Source: USDA Forest Products Laboratory, read 2026-11-03.
Is Ipe better than composite decking?
Choose the material family first: ipe is wood from trees, while wood-plastic composite boards combine wood with plastic resin and additives. “WPCs, also referred to as Natural Fiber Polymer Composites, are a mixture of wood, thermoplastic resins, and other additives.” Source: Washington State University, read 2026-11-03. “It is also used for decks, railroad crossties, turnery, tool handles, decorative veneers, and some specialty items in textile mills.” Source: USDA Forest Products Laboratory, read 2026-11-03.
Is there a consensus on how to effectively glue Ipe or a test I can refer to?
For an exterior joint, ask how the proposed adhesive relates to USDA's laboratory comparison using ASTM D905 (compression-shear) and ASTM D5266 (wood failure). “Ipê is an extremely difficult species to bond because of its high density, interlocking grain, and high volumetric swelling–shrinkage under prolonged wet conditions.” Source: USDA Forest Products Laboratory, read 2026-11-03. “Tests for compression-shear using ASTM D 905 and percentage wood failure using ASTM D 5266 concluded that, of the five tested adhesives, phenol-resorcinol formaldehyde provided the most durable bonds and highest wood failure after cyclic vacuum pressure soaking.” Source: USDA Forest Products Laboratory, read 2026-11-03.
Sources
- Wood Handbook, FPL-GTR-282, chapter 2: Ipe entry — USDA Forest Products Laboratory; published 2021; read 2026-11-03.
- Tropical Timbers of the World, Agricultural Handbook 607, page 159 — USDA Forest Service; published 1984; read 2026-11-03.
- Bondability of ipê wood using ambient-curing exterior wood adhesives, FPL-RP-689 — USDA Forest Products Laboratory; published 2017-01; read 2026-11-03.
- Consumer information: wood-plastic composites — Washington State University; read 2026-11-03.