Once you have your deck plan in place and materials chosen, the next step is construction. This is where your vision turns into a real, usable space. Knowing what to expect during the construction phase will help you feel confident and prepared as your project gets underway.
In this guide, we will walk you through each step of the construction process. You will learn what your contractor should be doing and how the work typically unfolds from site prep to the final inspection.
Before Construction Begins: Final Details and Permits
Before any tools come out, there are a few things that need to be finalized:
- Design confirmation: Your builder will walk through the final plan with you. This includes deck dimensions, materials, railing choices, and any custom features.
- Permit approvals: If you have not already obtained permits, your contractor will usually handle this step. Most BC municipalities require permits for decks above a certain height.
- Scheduling: A realistic timeline will be established based on scope, weather conditions, and other job site logistics.
Once everything is confirmed, construction can begin.
Step 1: Site Preparation
The first task is preparing the area where the deck will be built. This may include:
- Removing old decking or concrete
- Clearing grass, shrubs, or debris
- Marking the layout with stakes and string lines
- Leveling the ground if necessary
This step sets the foundation for the build, both literally and figuratively. Good preparation ensures structural integrity and accurate alignment.
Step 2: Setting the Foundation
Next comes the foundation work. For most decks in the Lower Mainland, this involves:
- Digging holes for footings or concrete piers
- Pouring concrete and allowing it to cure
- Installing pressure-treated posts and beams
The foundation must be level, secure, and compliant with building codes. Your contractor will inspect all points before continuing to the framing phase.
Step 3: Framing the Structure
Framing is the backbone of your deck. This is where the shape and structure take form.
- Joists and beams are measured, cut, and installed to form the substructure
- Hardware such as brackets, hangers, and fasteners are used to secure everything
- Blocking is added between joists for stability and to support railing posts
A well-framed deck will be strong, quiet underfoot, and built to support all expected loads including furniture, people, and features like hot tubs if applicable.
Step 4: Installing Decking Material
With the frame in place, the surface decking is added. This could be pressure-treated wood, cedar, vinyl membrane, or composite boards.
- Boards are installed with proper spacing for drainage and expansion
- Fasteners or hidden clips are used depending on the material type
- Edges are trimmed for a clean finish
If using vinyl, a waterproof membrane is heat-welded to create a fully sealed surface. With wood or composite, your contractor may apply a sealant or protectant coat at this stage.
Step 5: Adding Railings, Stairs, and Features
Once the main surface is complete, the finishing details begin:
- Railings are installed based on code requirements and your design choice
- Stairs are built for access and safety
- Any custom features like planters, privacy screens, or lighting are added
These finishing touches bring character and usability to your deck. They also provide the safety elements required for raised structures.
Step 6: Clean-Up and Inspection
Before the project is considered complete, your contractor should:
- Remove debris, tools, and excess materials
- Conduct a final walk-through with you to review the build
- Ensure all elements meet code and quality standards
In some areas, a building inspector may visit to approve the final structure. Once the deck passes inspection, you are free to enjoy it.
Timeline Expectations
Most decks take between one to three weeks to build. The duration depends on size, complexity, and weather. Here is a general idea of what to expect:
- Small basic deck: 5 to 7 days
- Mid-sized deck with railings and stairs: 10 to 14 days
- Large or custom deck with features: 2 to 3 weeks
Weather delays are common in the BC climate, so flexibility is important. A good contractor will keep you informed throughout the process and adjust as needed.
What You Can Do to Help the Process
While your contractor will handle the work, there are ways you can support a smoother build:
- Clear the area: Remove patio furniture, plants, or other obstructions ahead of time.
- Keep pets inside: Construction zones are unsafe for animals, and workers need uninterrupted space.
- Stay available: Be reachable in case quick decisions are needed during the build.
Communication is key. A few small steps on your part can help the project stay on track.
Common Questions During Construction
Can I change my mind once work has started?
Small adjustments may be possible, but larger changes can affect cost and schedule. It is best to finalize all details before construction begins.
Will the deck be usable right away?
Yes, once the final inspection is passed. For wood decks, however, you may need to wait before staining or sealing to allow the wood to cure.
Do I need to be home during construction?
Not always. As long as the crew has access and a clear plan, you do not need to be present every day. Your builder will advise if certain days require your input.
The Value of Working With a Professional
Deck construction is more than hammering boards together. It requires knowledge of structural engineering, safety codes, moisture protection, and local conditions. A well-built deck is a long-term investment that adds comfort and value to your home.
At All Hands On Deck, we bring years of hands-on experience to every build. From first measurements to final inspection, we take pride in making sure your deck is done right. No shortcuts. No surprises.
Thinking about building a deck? Reach out today to schedule a consultation and learn what to expect from a trusted deck contractor in your area.
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