---
title: Slab on Grade Vapor Retarders
description: "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"><meta name=\"ProgId\" content=\"Word.Document\"><meta name=\"Generator\" content=\"Microsoft Word 11\"><meta name=\"Originator\" content=\"Micro"
---

[Blog | conspectusinc.com ](https://www.conspectusinc.com/blog)

# [Slab on Grade Vapor Retarders](https://www.conspectusinc.com/blog/2010/01/slab_on_grade_vapor_retarders)

 Written by [David Stutzman](https://www.conspectusinc.com/blog/author/david-stutzman) | 1/24/10 10:52 PM

Vapor retarders, vapor barriers, waterproofing - there are  
 differences between the three materials and why they are used under slabs on  
 grade. This month's article addresses those differences and focuses on the use and  
 proper installation of vapor retarders.

  

Visit our website at [https://www.conspectusinc.com/publications.htm](https://www.conspectusinc.com/publications.htm)  
to  
 view or download A1030‑Slab on Grade Vapor Retarders 10.01.01. We invite  
 your comments and questions about the article here.

[View full post](https://www.conspectusinc.com/blog/2010/01/slab_on_grade_vapor_retarders)

```json
{
  "@context" : "http://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "David Stutzman"
  },
  "dateModified" : "2019-08-28T19:00:37.853Z",
  "datePublished" : "2010-01-24T22:52:54Z",
  "headline" : "Slab on Grade Vapor Retarders",
  "image" : {
    "@type" : "ImageObject",
    "height" : 60,
    "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png",
    "width" : 60
  },
  "mainEntityOfPage" : "https://www.conspectusinc.com/blog/2010/01/slab_on_grade_vapor_retarders",
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "height" : 60.0,
      "url" : "https://www.conspectusinc.com/hubfs/Logo/ConspectusLogo-Trademark-FINAL.png",
      "width" : 64.6
    },
    "name" : "Blog | conspectusinc.com"
  }
}
```