# Vapor Barrier Location **URL:** \ **Category:** Project Development & Documentation\ **Created:** [January 4, 2021, 9:31pm UTC](https://community.blackspectacles.com/t/vapor-barrier-location/2329 "2021-01-04T21:31:37Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![coachdarionziegler](https://yyz1.discourse-cdn.com/flex029/user_avatar/community.blackspectacles.com/coachdarionziegler/32/1272_2.png) [@coachdarionziegler](https://community.blackspectacles.com/u/coachdarionziegler)\ **Post date:** [February 22, 2021, 3:38pm UTC](https://community.blackspectacles.com/t/vapor-barrier-location/2329/7 "2021-02-22T15:38:16Z")
Hi @Toshea.Shouse , Yes! The rule of thumb for vapor retarder placement is to put them on the warm side of the construction! Always try to use retarder instead of barrier if you’re talking about the material that goes within the wall assembly – the vapor retarded still has a certain amount of permeability to prevent water from getting stuck in the assembly. A vapor barrier is meant to prevent all transmission of vapor and has been used colloquially to refer to vapor retarders as well. This website does a better job explaining it than I can: > **[Vapor Barriers and Vapor Retarders — What's the Difference? - W. R. Meadows](https://www.wrmeadows.com/concrete-vapor-barriers/vapor-barriers-vapor-retarders-explain-the-difference/#:~:text=A%20vapor%20barrier%20is%20used,rating%20of%201%20or%20less.%E2%80%9D)** > > No matter how solid any form of building material may be, a simple fact remains: Water vapor, albeit minimal, will be allowed to pass through the material.  Now, this may occur quickly or slowly, but this is a situation that is present,... Hope this helps! -Darion --- _[View the full topic](https://community.blackspectacles.com/t/vapor-barrier-location/2329)._