When you want to enjoy outdoor living while keeping bugs at bay, consider converting an open deck into a screened-in porch. This project increases usable space for year-round gatherings and adds value to your home. With some carpentry skills and the right materials, you can create a comfortable, stylish screened porch with ceiling fans and updated railings and stairs.

Follow the step-by-step instructions below to learn how to remove your deck components and install the framing, screening, and finishes for your new porch.


Safety Precautions

Before getting started on this major DIY project, it’s essential to take safety seriously. Converting a deck requires risky work at heights as well as handling powerful tools that can cause injury if used improperly. Be smart and take a few simple precautions to protect yourself.

Make sure you’re equipped with protective eyewear, gloves, and slip-resistant shoes. Tie back long hair and avoid loose clothing that could get caught in equipment. If you’ll be working more than six feet above ground, use fall-arrest equipment like a safety harness to prevent deadly falls. Carefully follow the manufacturer’s instructions when operating tools to prevent accidents. Be sure to keep flammable materials away from the work area.

If you lack the skills for structural work, enlist help from an experienced carpenter. Converting a deck is risky business, and you want it done safely.


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Demolition

The first phase of the project involves demolishing your deck components that won’t be reused. This allows you to frame up a sturdy new structure.

Remove deck boards from the area to be screened. You can pry them up with a pry bar, hammer, or cat’s paw nail puller. Next, take down railings and posts with a hammer or reciprocating saw. Use a circular saw to cut away trim boards around the edges.

Dispose of debris properly by hauling it to a dump site — be sure to keep it away from neighboring yards.

Once demolition is complete, inspect the underlying frame. Determine if ledger boards, joists, and beams are in good condition or need replacing. You’ll want a solid foundation.


Framing the New Porch

Before you begin, remember to get needed permits and schedule inspections to meet building code requirements.

In this phase, you’ll construct a sturdy frame using pressure-treated lumber rated for ground contact. First, bolt new ledger boards to the house if needed. Be sure to match joist spacing. Next, frame the perimeter with 2x4s. Nail them together with galvanized framing nails.

Then, you’ll install headers between posts to support the roof beam. Cut beam boards to span headers and nail them in place. Lastly, frame gable end walls and trim openings.

Check to make sure everything is square as you build. The diagonal measurements should be equal to keep your porch from being lopsided.


Adding Screening

To screen your porch, you’ll fasten standard aluminum screen panels to the framing with spline and screen molding. To start, measure frame openings and cut screen panels to size with aviation snips. Staple the screen along the edges, then press the spline into the channel to hold it tight.

Once you’ve added the screens, trim the excess screen and spline with a utility knife. Install molding over the edges to hold the screen in place. Finally, nail the screen with galvanized finish nails.

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For a slide-open design, install tracks and hardware per manufacturer instructions. Consider pet screening for durability if you have clawing cats or energetic dogs.


Roofing Materials

Once the screens are in, it’s time to add roofing. We recommend corrugated polycarbonate roofing panels, which stand up to weather and allow light into the porch interior.

Use a chalk line to measure the spacing between roof supports. Measure and cut panels to length with a circular saw. Next, position panels along supports and drill pilot holes. Fasten panels with exterior screws, oversized washers, and rubber gaskets to be sure they’re secure.

For shingled roofs, hire a qualified roofer to tie into the existing roof structure. Roof work is best left to the pros.


Ceiling Fans

When choosing a ceiling fan, look for an ENERGY STAR product suited for damp locations. You’ll be glad for the energy savings.

Before installing the ceiling fan, be sure to turn off the power and connect the wiring per the manufacturer’s instructions. This is extremely important for safety reasons.

To install, mount the ceiling fan bracket using lag screws drilled into framing members. Attach the fan motor and blades to the bracket.


Railings and Stairs

Because your porch will still have some exposure to the outdoors, look for composite or vinyl when choosing railings and stairs. These will resist rot and insect damage better than wood:

To install railings, cut posts, balusters, and top and bottom rails to length with a miter or circular saw. 

Next, assemble railing sections with exterior adhesive and screws. You’ll then install posts with metal post mounts bolted to the porch framing. Finally, attach rail sections between posts. Don’t forget to level and plumb.

For stairs, match the rise and run to the building code. Install railings and graspable handrails for safety — you don’t want anyone tripping and falling on your new porch.


Finishing Touches

Your porch is almost complete. It’s time to add lighting and decor to make it a truly inviting space.

First, install recessed can lights and pendant fixtures. Use damp-rated components so they don’t short out. Once the lights are in, paint or stain the framing and the architectural details. This is your space, so pick a color scheme you love.

For furnishings, seek out comfortable, weather-resistant patio furniture and accessories. Hang curtains on tracks along screen panels if you want more privacy.

Finally, it’s time to sit back and enjoy meals, parties, and time with family in your new favorite space.


Maintain Stairs and Railings

Ongoing maintenance is essential for your screened-in porch, especially when it comes to stairs and railings. Securely fastened stairs with tight railings prevent injuries. Inspect for any loose, broken, or missing components like treads, risers, stringers, and balusters that require repair.

To fix problems:

  • Add wood filler epoxy or wood putty to missing sections or defects. Sand smooth when dry.
  • Measure and cut replacement tread boards the same width as existing ones. Nail securely.
  • Prime and paint repairs to match your existing colors. Make it look seamless!
  • Realign and renail any loose balusters or risers. Replace damaged ones immediately.
  • Reattach loose rail posts to the porch framing with longer screws. Drill pilot holes first for easier driving.

It’s important to note that grasping handrails on both sides not only provide stability but are required by code for stairs with four or more risers. 


Replace Decking Boards

Decking boards are another important maintenance concern. Decaying, cracked, or warped deck boards become tripping hazards and are unsightly. To replace them:

  1. Look for pressure-treated lumber or composite decking for durability and appearance.
  2. Pry up old boards with a pry bar and cat’s paw nail puller.
  3. Cut replacement 2×6 deck boards to length with a miter or circular saw.
  4. Pre-drill ends to prevent splitting and avoid splinters.
  5. Fasten securely with exterior deck screws. Space ¼ inches to ⅜ inches apart.
  6. Stagger boards for better stability. Leave ⅛-inch gaps for drainage.
  7. Match existing pattern and board direction.

So, Is Converting a Deck into a Screened-In Porch Worth It?

For many homeowners, transforming an ordinary deck into a fully enclosed, screened-in porch is well worth the investment of time and money. 

One major benefit is simply the increased enjoyment of outdoor space. Your screened-in porch is a bug-free environment that allows for relaxing or entertaining without pests. Because it’s usable for much of the year, depending on your climate, your porch also serves as an added living area for activities.

As if that weren’t enough, your porch also adds value to your home through increased square footage and curb appeal. Buyers find screened porches highly desirable.

With proper planning and building permits, converting a deck creates lasting returns in comfort, functionality, and resale value. Consider hiring a contractor if you lack the DIY skills, but take pride in your handiwork if you do it yourself.


FAQs About Converting a Deck into a Screened-In Por

How much does it cost to convert a deck to a screened porch?

The average cost to convert a 12’x12′ deck into a screened porch ranges from $2,000 to $3,000, including materials and professional installation. Complex designs cost more. DIY is cheaper if you’re handy.


What's the best material for screening a porch?

Fiberglass and aluminum are popular options. Fiberglass resists mildew and won’t dent but it costs more. Aluminum is affordable but dents more easily. Pet screening is very durable for active pets.


Can I convert my second-story deck into a screened porch?

Yes, it’s possible to screen in a second-floor deck safely. Work with an engineer and contractor to ensure structural integrity and proper tie-ins to the building. Heights require extra care.


How difficult is it to add a roof to a screened-in porch?

Adding a roof requires skills to integrate into the existing structure. Hire a qualified contractor to frame, flash, shingle, and tie into adjacent rooflines properly.


Do screened porches add value to a home?

Screened porches boost a home’s value significantly. The exact return on investment depends on size, features, and location. In general, you can recoup 50% to 80% of project costs at resale.


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Elise LaChapelle

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Elise LaChapelle is a copywriter with over a decade's experience in the digital space. She specializes in blogging, website content, social media, and e-mail marketing across a diverse array of clients, helping them to connect with their target audience through concise, compelling messaging. When she's not crafting copy, Elise enjoys working out, cooking, and spending time with her husband and two daughters.

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Lee Ann Merrill

Chicago-based Lee Ann Merrill has decades of experience writing and editing across a wide range of technical and scientific subjects. Her love of DIY, gardening, and making led her to the realm of creating and honing quality content for homeowners. When she's not working on her craft, you can find her exploring her city by bike and plotting international adventures.

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