Big Rock Insulation

Big Rock Insulation Rapid City's #1 Commercial and Residential Insulation Contractor.

🚨Our crew has been spraying Heatlok HFO Pro Closed-Cell Foam from HUNTSMAN Building Solutions, and they’re genuinely imp...
06/02/2026

🚨Our crew has been spraying Heatlok HFO Pro Closed-Cell Foam from HUNTSMAN Building Solutions, and they’re genuinely impressed with how this foam performs in the field!

Designed as a true continuous insulation system, Heatlok HFO Pro helps protect against air, thermal, water, and v***r — all while delivering excellent adhesion and compressive strength.

Great performance for our installers. Great results for our customers. Great choice for the environment. 👏👏Proud of the work our team is doing with this product across the Black Hills.

Family and friends BBQ! We are pleased to express our gratitude to our dedicated team for their tireless efforts in main...
05/25/2026

Family and friends BBQ! We are pleased to express our gratitude to our dedicated team for their tireless efforts in maintaining Big Rock's high standards and commitment to our clients. As we enjoy the long weekend, we acknowledge what the holiday is about and recognizing our crew with a much deserved extended weekend- back to work Tuesday!

Happy Memorial Day and a huge thanks to our crew!

Closed-Cell Spray Polyurethane Foam in Custer, SD. 👏The spray foam crew did an awesome job with this recent residential ...
05/19/2026

Closed-Cell Spray Polyurethane Foam in Custer, SD.

👏The spray foam crew did an awesome job with this recent residential project! On to the next!

05/05/2026

The Big Rock team is wrapping up this project in Custer🏠🔨

All Exterior Walls have Closed-Cell Foam and to be finished with Loose Fill Fiberglass Blown-In. Our foam crew has this project looking great!

Our team is always happy to wrap up a project with a highly satisfied client!

Enjoy the nice weather we have coming our way & HAPPY CINCO DE MAYO!

🏠Check out the progress our production crew is making on a new build in Belle Fourche. We love helping local builders cr...
04/21/2026

🏠Check out the progress our production crew is making on a new build in Belle Fourche.

We love helping local builders create homes that stay warm in the winter, cool in the summer, and comfortable all year long.
❗️Building soon? Let’s talk insulation that works as hard as you do.

bigrockinsulation.com

🏠🔨Another successful spray foam project in the books. This home addition in Hermosa, SD received closed‑cell foam throug...
04/10/2026

🏠🔨Another successful spray foam project in the books. This home addition in Hermosa, SD received closed‑cell foam throughout the exterior walls, giving the homeowners a tighter, stronger, more efficient space.

We are proud of the workmanship our crew brings to every job and grateful for customers who trust Big Rock Insulation to get it done right.

Congratulations to the winner of our 2026 Home Show Giveaway! Our team loves being a part of this community event annual...
04/06/2026

Congratulations to the winner of our 2026 Home Show Giveaway! Our team loves being a part of this community event annually and appreciates everyone who takes the time to walk the show.

Congratulations to Susan and her family from Hettinger, ND on their new Smart TV- our sales reps enjoyed talking to everyone last weekend at the Black Hills Home Show! Until next year 🥳

🏠Come check out the Black Hills Home Show hosted by the Black Hills Home Builders Association this weekend - The Big Roc...
03/26/2026

🏠Come check out the Black Hills Home Show hosted by the Black Hills Home Builders Association this weekend - The Big Rock team will be at our booth all weekend, come get all insulation questions answered!

Friday- March 27th, 11:00am-6:00pm
Saturday- March 28th, 10:00am-6:00pm
Sunday- March 29th, 10:00am-3:00pm

‼️Register at our booth for a chance to win a 55” Smart TV. You will also have the chance to win a $2,000.00 voucher for your next insulation project by registering at the Granite Automotive booth!

Big Rock Insulation would like to wish you a happy and safe Saint Patrick's Day!
03/17/2026

Big Rock Insulation would like to wish you a happy and safe Saint Patrick's Day!

🏠There’s nothing better than helping bring a remodel to life. This home is now fully insulated with a basic batt fibergl...
03/13/2026

🏠There’s nothing better than helping bring a remodel to life. This home is now fully insulated with a basic batt fiberglass and blown‑in attic insulation install, setting it up for year‑round comfort.

From new builds to retrofits to remodel projects, Big Rock Insulation is trusted across the Black Hills for dependable, high‑quality work.

Your project, big or small — Big Rock has you covered.

Address

1051 Kennel Drive
Rapid City, SD
57703

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+16053435625

Website

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