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Decks, Railings & Fencing

1520 SD-10, Sisseton, SD 57262

Welcome to Leo's Building Supplies

Decks, Railings & Fencing

Whether you’re building a new deck, refreshing an existing one, installing railings or building a dock, we can help. 

Expand your living space and design your deck, backyard or dock with our quality treated lumber and decking materials. Add stain colours and stylish accents like post caps, lighting and iron railing details. We can help you regardless of your budget or needs. Together, we can create the outdoor space you've been waiting for.

Decks Railings Fences Composite

Let’s get started on your Deck Design Plans now! 

Bring us your drawings or ideas – our design services can help you envision your space and provide you with an estimate.

Request your estimate or contact us to speak with one of our design experts now.



When building a deck, the possibilities are endless. Choose from pressure treated lumber or composite decking to build an extension of your living space, perfect for entertaining and enjoying the outdoors. Visit us for all your decking materials or explore and shop our catalog for decking hardware, accessories and supplies.

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Railings are an important safety feature around your home, decking area and staircases. Choose from a variety of styles and materials of railings and accessories to complete your outdoor space.

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Fencing adds privacy, safety and style around a property. We can help you choose what's right for your outdoor space from our beautiful selection of wood and iron fencing. We also have landscaping materials and supplies including wire and plastic fencing and lattices.

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An eco-friendly alternative to traditional all-wood decks, this popular decking option is made up of recycled materials, making it extremely weather, insect and mould resistant.

The low-maintenance quality and high-durability benefits have quickly made this a premier decking choice for many homeowners. Plus, the availability in a variety of colours, patterns, grains and textures will allow you to fully customize your outdoor space. Your imagination is the limit when it comes to designing composite decks. 

Get a quote on your outdoor project now.

Get started and plan your dream backyard now. Get a free estimate on your decking and landscaping projects.

Get A Quote

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Leo's Building Supplies
6700 46 St, Unit 400
Olds, AB T4H 0A2



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