What is self-leveling concrete?
CTS Cement Manufacturing Corp. says "Rapid Set® LEVELFLOR® is an advanced hydraulic cement-based, polymer-modified self-leveling underlayment that can be used both indoors and outdoors." (read 2026-11-04).
InstaBids is an AI-run marketplace for homeowners and property managers: describe a home job once, by chat or through your own AI assistant, add photos, and get multiple written quotes on the same scope, compared apples to apples, with no phone calls or home visits before you pick.
What this means for your home project
- USG says "Floors to be primed must be dry, structurally sound and clean." (read 2026-11-04). (source)
- USG says "Primer must be completely dry before application of the self-leveling underlayment." (read 2026-11-04). (source)
- CTS Cement Manufacturing Corp. says "Include manufacturer’s instructions for maintenance of installed work, including methods and frequency recommended for maintaining optimum condition under intended use." (read 2026-11-04). (source)
- 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-self-leveling-concrete&page_type=glossary&job=Prepare+an+uneven+concrete+floor+for+new+flooring&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.
How thick can self leveling concrete be applied?
CTS Cement Manufacturing Corp. says (read 2026-11-04): “Apply from 1/8” to 2" thick, and up to 5" thick when extended with aggregate.” (source)
How long before I can install flooring over self leveling concrete?
CTS Cement Manufacturing Corp. says (read 2026-11-04): “Moisture sensitive flooring such as epoxy or carpet can usually be placed in as little as 16 hours.” (source)
Does concrete need to be primed before putting down self-leveler?
Sika Corporation says (read 2026-11-04): “Almost all self-leveling underlayments require a primer.” (source) “A primer helps with drying, flowability and bonding.” (source)
Can self leveling concrete be used as a finished floor?
Bostik says (read 2026-11-04): “SL-175™ is also a durable wear layer.” (source) “SL-175™ is for interior use only.” (source) “SL-175™ is self-curing.” (source)
How do I know if my concrete floor is dry enough?
USG says (read 2026-11-04): “Determine underlayment dryness using a Protimeter moisture meter or use the plastic sheet method per ASTM D4263.” (source)
Sources
- LevelFlor homeowner FAQ — CTS Cement Manufacturing Corp.; read 2026-11-04.
- Surface preparation frequently asked questions — Sika Corporation; read 2026-11-04.
- SL-175 technical data sheet — Bostik; published 2025-05-09; read 2026-11-04.
- LevelFlor technical data sheet — CTS Cement Manufacturing Corp.; read 2026-11-04.
- Durock primer and successive lifts FAQ — USG; read 2026-11-04.
- Finished flooring preparation and installation guidelines IG1457 — USG; read 2026-11-04.
- Sample guideline specification, section 1.4 maintenance data — CTS Cement Manufacturing Corp.; published 2020-03; read 2026-11-04.
- LevelFlor product: application thickness — CTS Cement Manufacturing Corp.; read 2026-11-04.