Flat Boxes – CSR Building Supplies

Our Barrie Location is open on Saturdays! 7am to 12pm.

We ship worldwide

Get the products you need shipped right to your door
Visit us

We are Canada's largest drywall taping superstore with two locations to serve you better
Top-notch customer support

Our friendly and knowledgable staff are here to help
Secure payments

We accept all major credit cards