r/buildingscience

39k members
r/buildingscience is a subreddit with 39k members. The community frequently discusses insulation, question, ventilation, attic, and building_science, and the most common flair used is question, will it fail?, and career/profession.
Collection of resources on building science. Topics can range from insulation strategies, mechanical designs, water waste reduction strategies, control layer strategies, example builds.

Popular Topics in r/buildingscience

#1

Insulation

56 posts
#2

Question

20 posts
#3

Ventilation

17 posts
#4

Attic

14 posts
#5

Building_science

13 posts
#6

Vapor Barrier

12 posts
#7

Roof

12 posts
#8

Wall

10 posts
#9

Moisture

9 posts
#10

Energy

7 posts

Flair Used in r/buildingscience

#1
Question
: "Fun side project, drop your detail/shop drawing in to enhance it"
50 posts
#2
Will it fail?
: "Best way to insulate 100 year old house for cold and wet climate?"
8 posts
#3
Career/Profession
: "Career paths in this field"
2 posts

Member Growth in r/buildingscience

Yearly
+12k members(44.5%)

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About

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Last updated: June 13, 2026