The Journal

Notes from the field.

Project stories, seasonal tips, and honest advice from our crew — built to help you make better decisions about your outdoor space.

Google Reviews

What our clients say

4.8· 47+ Google reviews
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Sarah Rochford's project
SR
Sarah Rochford
9 months ago

Diadem installed a back interlock patio with new stairs, side walkway, submerged a side downspout, fixed existing patio stones near the front created a nice ramp/walkway, installed sod and created a garden between the patio and fence. Our

Matthew McCullum's project
MM
Matthew McCullum
9 months ago

Deciding on who to work with for a significant pool and landscaping project is never without its risks. Will the project be completed on time and on budget? Will it exceed expectations? Will the process be smooth, and most importantly, fun?

Katrina Cober's project
KC
Katrina Cober
10 months ago

Tom and his team replaced our retaining wall, or what was left of it ( very old! ). From the start we felt comfortable with Tom and his vision of the final product. His team was hard working all day and clearly have a great working

Decks
May 28, 20266 min read

Choosing the Right Deck Material for Ontario Weather

Pressure-treated, cedar, or composite? We break down the pros, cons, and lifetime costs so you can pick a deck that lasts.

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Hardscape
May 14, 20265 min read

Interlock Pavers vs. Poured Concrete: Which Wins?

From freeze-thaw durability to long-term repairs, here's how interlock and concrete really compare for driveways and patios.

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Retaining Walls
April 30, 20267 min read

Retaining Wall Basics: When You Actually Need One

Slope, drainage, and soil pressure — a plain-English guide to knowing when a retaining wall is the right fix for your yard.

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Fencing
April 16, 20264 min read

Fence Styles That Are Defining 2026 Backyards

Horizontal cedar, black aluminum, mixed-material panels — the looks our clients are asking for this season.

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Sod & Lawns
April 2, 20265 min read

Spring Sod Prep: Getting a Lawn That Actually Roots

Soil grading, base prep, and watering schedules — the unglamorous steps that make new sod thrive past July.

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Pools
March 20, 20268 min read

Planning a Backyard Pool: A Realistic Timeline

Permits, excavation, landscaping — what to actually expect from your first call to your first swim.

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