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Sunrooms & Covered Decks in Lethbridge

KM Construction Ltd. builds sunrooms, enclosed porches, covered decks, patio covers, and exterior additions in Lethbridge and Southern Alberta, including framing, roof tie-ins, windows, doors, siding, and finish work.

Sunrooms & Outdoor Additions

Built for Real Use, Not Just Looks

Most homeowners looking for a sunroom or covered deck builder in Lethbridge are trying to add usable space, weather protection, and a cleaner tie-in to the house. That means the project has to work structurally, visually, and practically — not just in the first week after completion.

KM Construction handles sunroom framing, enclosed porch builds, covered deck structures, patio covers, roof extensions, tie-ins to existing homes, window and door openings, siding details, soffit, fascia, and finish carpentry. These jobs usually succeed or fail on the tie-in details, not the sales pitch.

You deal directly with Kyle Mennear, a Red Seal Journeyman Carpenter. KM Construction Ltd. also holds a valid Alberta prepaid contracting licence for qualifying residential renovation contracts involving deposits or progress payments.

Sunroom and covered deck addition by KM Construction Ltd. in Southern Alberta
What We Handle

Sunroom and Covered Deck Project Scope

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Sunrooms & Enclosed Porches

Sunrooms, enclosed porches, and seasonal additions framed and finished to create more usable square footage and better year-round comfort.

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Covered Decks & Patio Covers

Covered deck roofs, patio covers, and outdoor structures that make the space more usable and protect the deck below from weather.

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Structural Tie-Ins

Roof tie-ins, beam layouts, post locations, framing transitions, and connection details that keep the addition from looking bolted on as an afterthought.

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Windows, Doors & Exterior Finish

Window openings, exterior doors, siding tie-ins, soffit, fascia, trim, and exterior details coordinated so the addition reads as part of the home.

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Decks, Stairs & Railings

When the project includes the deck below, KM Construction can also handle decking, stairs, landings, and railing work as part of one scope.

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Trade Coordination

Electrical, plumbing, HVAC, insulation, drywall, and finishing coordination when the project needs more than framing and exterior shell work.

Why KM

Where These Projects Go Sideways

The common mistake is pricing a sunroom or covered deck like it is just a roof and a few walls. In real life, the hard part is the interface with the existing house: tie-in heights, water management, beam drops, existing roof lines, door thresholds, siding terminations, and whether the finished structure actually feels integrated.

KM Construction is a good fit when you want a contractor who sees those failure points before the job starts. That matters on sunrooms over existing decks, covered decks tied into mobile homes or additions, roof extensions, and porch enclosures that need to look clean when they are finished.

Trust Signals
Red Seal Journeyman Carpenter
Family-owned Southern Alberta contractor
Valid Alberta prepaid contracting licence
Experience with structural tie-ins and exterior finishing
Direct communication from quote to completion
Service Area

Serving Lethbridge and Southern Alberta

KM Construction builds sunrooms and covered decks in Lethbridge and regularly works in surrounding communities including Raymond, Magrath, Stirling, Coalhurst, Coaldale, Picture Butte, Taber, and nearby areas. If your project needs better tie-ins, a cleaner exterior finish, or a more custom framing approach, that is usually where we bring the most value.

Sunroom builds
Enclosed porch and addition-style framing
Covered decks
Patio covers and roof tie-ins
Exterior tie-ins
Windows, doors, siding, soffit, and trim
FAQ

Sunroom and Covered Deck Questions

Do you build both covered decks and enclosed sunrooms?
Yes. KM Construction handles covered deck structures, porch enclosures, and sunroom-style additions depending on the project layout, existing structure, and finish level you want.
Can you tie the new roof into the existing house?
Yes, when the structure and layout make sense. Roof tie-ins are one of the most important parts of these builds because that is where water management, height alignment, and exterior finish details either work or fail.
Can the deck, stairs, railings, windows, and siding be part of the same job?
Yes. That is often the smartest way to handle the project because the structure, exterior finish, and access details all affect each other. One coordinated scope usually produces a cleaner result.
Planning a Sunroom or Covered Deck?
Send rough dimensions, photos of the existing house or deck, and a note on whether the project is open-air, roofed, or enclosed. That gets to a serious quote faster.
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