About IBS

IBS Offers Pittsburgh Area Contractors Quality Building Products from Leading Manufacturers.

Since our inception over 60 years ago Irwin Builders Supply has prided itself in delivering the highest quality building materials and best value to our customers. This philosophy has helped us grow into an industry leader, distributing a wide range of building materials, supplies, and solutions throughout Pennsylvania, eastern Ohio, West Virginia, and northwest Maryland.

As our many satisfied customers have come to know, Irwin Builders Supply offers not only products and services you can depend on, but also a convenient, cost effective partnership that will help your business grow.

We hope you enjoy learning more about Irwin Builders Supply on our website. If you have any questions or would like to learn more about what Irwin Builders Supply has to offer, please feel free to call us at 724-454-4041.


Daniel Paulone

Come in and find out what many professionals in the western Pennsylvania area know – the place to buy is 


Knowledgeable and Professional Sales Staff

The sales counter at IBS is manned by Experienced Career Professionals, with more than 100 years of total experience, ready to help you find the products you need….

IBS also has a full compliment of contractor outside salesmen that follow your job through completion ensuring product quality and the satisfaction of the homeowner.