What are the opening hours?

Monday 7:30am - 5pm Tuesday 7:30am - 5pm Wednesday 7:30am - 5pm Thursday 7:30am - 5pm Friday 7:30am - 5pm Saturday 9am - 2pm

Renfrew & Burnstown Castle Building Centres

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Renfrew & Burnstown Castle Building Centres

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A growing group of Building & Design Centres, proud to be serving the Ottawa Valley & Beyond!

10/27/2026

There’s still time to get ready for the colder days ahead!

Don’t miss out on our October deals on space heaters, insulating foam, and more seasonal essentials to help keep you warm and cozy this fall and winter 🏡❄️

10/09/2026

Happy Thanksgiving Weekend from all of us at RB Castle! 🍂

Just a reminder that both our Burnstown Building Centre and Renfrew Design Centre will be closed this coming Monday.

We hope you have a wonderful long weekend filled with family, friends, and, of course, lots of turkey and pumpkin pie! 🥧🦃

09/25/2026

🔨 FACT FRIDAY

Did you know the word “carpenter” originally had nothing to do with building houses?

The word comes from the Latin carpentarius, meaning “wagon maker”
So, before carpenters built houses they built wagons and two wheeled carriages! 👀

09/16/2026

Working on your fall & winter prep? We’ve got your first "to do" checked off ✔️

Whether you’re getting your outdoor space ready for the colder months, refreshing your interiors, or starting to plan your next project, RB Castle is the place to start.

Stop by our Burnstown store or Design Centre for the products, ideas, and expert advice to get your space ready for the seasons ahead, and make the rest of your to do list a little easier! 🍂🏡

Design Centre: 35 Opeongo Rd. Renfrew
Burnstown Store: 30 Building Supply Rd.

09/11/2026

Proudly Canadian. Proudly Independent.

For more than six decades, your Castle Building Centres have been helping Canadians build, renovate, and improve the places they call home. From coast to coast, our independently owned retail locations are deeply rooted in the communities they serve.

As a Canadian company, we’re proud to support local businesses, Canadian families, and the local economies that help our communities thrive. At Castle we are building more than homes and projects, we are Building Communities!

09/08/2026

⚠️ PLEASE NOTE: Our phones, internet, and debit machine are currently down at our Burnstown store. We apologize for the inconvenience and will share when everything is back up and running! ⚠️

09/04/2026

Happy Labour Day Weekend!

Please note that we will be closed Monday September 7th and will reopen business as usual on Tuesday.

Cheers to a fun and safe final long weekend of the summer!

08/31/2026

We’re beyond honoured to share that we’ve been nominated once again for the Readers' Choice Ottawa Valley Best Of Awards! ✨

Voting is open starting today until September 25th! If you’d like to cast your vote our way, you can find us in the following groups:

🏆 Home Improvement: Best Flooring Store, Best Home Improvement Centre / Services, Best Interior Design
🏆 Services: Best Customer Service
🏆 Shopping: Best Patio Furniture

We truly can’t say enough about how grateful we are for the continued support of our incredible community in all of these award contests. Being recognized for the passion we put into what we do means so much to our entire team. ❤️

🔗 Link to vote: https://best-businesses.thereaderschoice.ca/o/ottawa-valley/readers-choice-2026-voting

08/28/2026

🎉 Today’s the big day! Our Overstock Inventory Yard Sale is officially underway!

With major markdowns on doors, lighting, siding, firepits, and so much more, you won’t want to miss it! Plus, enjoy 15% OFF storewide on all regular priced items!

We’re open until 5:00 PM! Can’t make it out today? No worries, the sale continues tomorrow from 9:00 AM to 2:00 PM. We can’t wait to see you there!

📍 30 Building Supply Rd., Burnstown

08/27/2026

Hard at work gearing up for this weekend’s Yard Sale! This is the biggest and most ambitious sale we’ve EVER done so be sure not to miss it! On tomorrow & Saturday 😄

Address

30 Building Supply Road
Calabogie, ON
K0J1G0

Opening Hours

Monday	7:30am - 5pm
Tuesday	7:30am - 5pm
Wednesday	7:30am - 5pm
Thursday	7:30am - 5pm
Friday	7:30am - 5pm
Saturday	9am - 2pm

Website

http://www.rbcastle.ca/

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