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Building Science Principles Certificate of Knowledge

BSP Reference Guide

Get a sneak peek
at the reference guide!

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Welcome to the Building Science Principles online portal.

This is where you can register to take BPI's Building Science Principles exam and/or purchase the Reference Guide.

How it works:

Register for an online account

  • Choose a username and password so you can access your account later

Purchase and study the Building Science Principles Reference Guide

  • You may purchase the printed version OR
  • You may purchase the digital version (viewed online only)
  • Access the online guide as often as you like for an unlimited time

Purchase an exam code and take the Building Science Principles Exam

  • The exam code is valid for one attempt to take the exam
  • If you fail the exam, you may purchase another exam code to take the exam again
  • The certificate is also stored in your account, so you can print your certificate anytime

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