Prosource Insulation

Prosource Insulation Prosource Insulation, a family-owned business since 2012, is the leading supplier of insulation products and building materials to contractors in California.

Sourced from the most industry-trusted manufacturers, we provide insulation solutions for every project at any scale. From next-day delivery to personalized guidance, Prosource is more than just a distributor but a dedicated partner in your success. Today, we proudly operate and service home builders in over 400 cities statewide. Wholesale pricing, product availability, and technical support have

solidified our reputation as California’s most reliable insulation partner. At Prosource Insulation, we believe the best partnerships are built on trust, and we’re here to earn it every day.

π—§π—›π—˜ 𝗦𝗒𝗨π—₯π—–π—˜ π—œπ—¦ 𝗣π—₯𝗒𝗦𝗒𝗨π—₯π—–π—˜ | Our new look has arrived.
07/15/2025

π—§π—›π—˜ 𝗦𝗒𝗨π—₯π—–π—˜ π—œπ—¦ 𝗣π—₯𝗒𝗦𝗒𝗨π—₯π—–π—˜ | Our new look has arrived.

Need help with anything insulation? Our team of insulation experts are standing by to assist you with the right guidance and materials for the project.

Address

21314 Lassen Street
Chatsworth, CA
91311

Opening Hours

Monday 6am - 4pm
Tuesday 6am - 4pm
Wednesday 6am - 4pm
Thursday 6am - 4pm
Friday 6am - 4pm
Saturday 6am - 10am

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