Power's Castle - Your trusted building supply partner in St. John's and area. Power's Castle - Your trusted building supply partner in St. John's and area. Power's Castle - Your trusted building supply partner in St. John's and area. Power's Castle - Your trusted building supply partner in St. John's and area. Power's Castle - Your trusted building supply partner in St. John's and area. Power's Castle - Your trusted building supply partner in St. John's and area.

Your trusted building supply partner in St. John's

When Contractors and DIY's need selection, service and experience they shop POWER's. You'll find everything you need  along with great quality and pricing. Talk to our knowledgeable staff, they want to help you find what's right for your needs. If you don't see it, let us know and we'll get it for you. Request a quote or contact us.

Building a new home, cottage, cabin or garage? Browse over 2,000 plans right now. Contractors, get the Contractor Advantage mailed to your business, Your subscription is complimentary. Got a special occassion coming up - a gift card is the perfect gift - for anyone, anytime. Starting a special project, consider a Castle credit card!




Roofing Paper - 15 Pound Felt

Roofing Paper - 15 Pound Felt

842101 Details
15lb Plain Felt Paper

Moulding & Millwork

Moulding & Millwork

MMLL
For complete product selection visit the Moulding & Millwork website.

Lift-out Windows

Lift-out Windows

TR-06-01145 Details
Ask about our selection of lift-out windows.

Dow StyroFoam Brand AG Board

Dow StyroFoam Brand AG Board

Dow-002 Details
Easy to install and maintain, STYROFOAM� Brand Ag Board resists moisture infiltration, withstands high-pressure cleaning and helps reduce the potential for moisture condensation in agricultural buildings.

Decking Screws

Decking Screws

Misc-001 Details
We have a large selection of decking screws, lag bolts and fasteners to suit all your outdoor projects.

Clamps & Connectors

Clamps & Connectors

CNNTR Details
We have a full selection of electrical clamps and connectors.

New Store Video

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