How to Build a Roof Over My Existing Deck - Costs, Designs (2023)

Summer may be over, but it’s the perfect time to start building a roof over your deck for next year’s sunny season. If you’re looking to enjoy the great outdoors right from your backyard while still getting some relief from the sun or rain, a roof over your deck or patio is the perfect solution.

So, how do you go about it? You may want to just get it over with and do it yourself, but sometimes it’s better to hire a professional who can get it done efficiently. In this blog, we’re going to cover the benefits of building a roof over your deck, how to do it, and the average costs. Here at Legacy Service, we will do all we can to help you perfect your home’s exterior. If you have any questions or would like to schedule an appointment with us for a roof replacement, give us a call at 215-798-9790 or fill out a contact form here.

Reasons to Build a Roof Over a Deck

As you can imagine, there are plenty of benefits of building a roof over your deck. Here are the top reasons why you’ll want a roof for yours:

Protection from the sun and rain

The most common reason why people build roofs over decks is for protection from the sun and rain. A covering allows you to sit outside and enjoy nature on even the sunniest and rainiest days. During the height of summer when the sun is at its hottest, catching some shade on your deck is a great chance to relax for you and your loved ones.

Barbeque throughout the year

By putting a roof over your deck, barbeque season doesn’t have to end with the last of the fireflies. You’ll be able to enjoy barbequing throughout the year even when it isn’t warm and dry. It might take food a little bit longer to cook in the cooler months, but it’s worth it for some tasty burgers, ribs, or grilled veggies.

Dry clothes outside

If you like hanging your clothes outside to dry rather than throwing them in the dryer, a roof over your deck will be the perfect solution for those rainy days. You’ll be able to save money on electricity by drying them outside underneath the roof.

Help plants grow

Green thumbs will also love having a covered deck when spring rolls around. You’ll be able to climatize the seedlings and plants to the conditions by placing them in a sheltered location and ensuring they get some sun every day.

How to Build a Shed Roof Over My Existing Deck

Unless you’re experienced in residential roofing construction, you probably don’t want to build the roof yourself. However, you might want to know the process of how it’s done. Take a look at our step-by-step guide for building a shed roof over your existing deck:

1. Step 1: Before you begin, make sure you’re matching the house roof pitch angle and overhang for your roof.
2. Step 2: Install post base connectors. These are used to attach the support posts to the frame of the deck. For a solid connection, you’ll have to make sure the frame has the appropriate blocking.
3. Step 3: Install the support posts to the post base connectors.
4. Step 4: Keep the support posts in place by installing temporary bracing. The tops of the support posts should be notched to hold the header beam.
5. Step 5: Install the header beams to the support posts. We recommend using thru bolts for a strong connection.
6. Step 6: Install the ledger board, which will support the rafters. You can install it by flashing and bolting in place to the house wall.
7. Step 7: Mark and cut your rafter angle to the roof pitch and then lay out your rafters. Nail the rafters in place to the ledger board.
8. Step 8: Attach the rafters to the header using framing nails.
9. Step 9: Create the subroof by installing the roof sheathing over the rafters.

If you have any questions about the process of building a roof over a deck, you can contact a local roofer to learn more. In fact, they’ll be happy to answer any questions you may have concerning any part of your home’s exterior, from the roofing and siding to the windows and doors. We’re all about keeping you and your family safe, warm, and dry.

Average Cost to Build a Roof Over a Deck

Decks and patios enhance any home’s living and entertainment space, and adding a roof to that extension can further increase their function and value. However, we’re sure you’d like to know the average cost to build a roof over a deck before you make any decisions.

Unfortunately, we wouldn’t be able to tell you how much it would exactly cost to add a roof to your deck without scheduling a consultation and coming to your home. But we can give you an average range of prices that it would most likely fall within. They include:

• Adding any deck covering or enclosure will typically cost between $1,000 – $10,000.
• Adding a covered roof to your deck will typically cost between $3,000 – $10,000.

The cost will vary depending on the professionals hired, materials used, square footage, and weather conditions.

Pictures of Roofs Over Decks

Another great thing about installing a roof over your deck is that you can personalize it to match your style and tastes. The pictures we’re showing below are just a few of the ways you can build your deck’s roof. Some homeowners like to have an idea in mind before scheduling an appointment with a construction company while others like to listen to the recommendations of the experts before they begin any decision-making. Take a look at the pictures below to see which ones you like. Then, give us a call to schedule a consultation.

These homeowners are in the process of building a flat roof over their free-standing deck. We can’t wait to see how it turns out!

This homeowner chose a short roof with lights underneath. The lights will not only add functionality for nighttime, but they’re also aesthetically pleasing.

This homeowner chose the best of both worlds by adding a roof to their deck that still allows light in.

We’re loving the look of this gable roof over the patio in their backyard. It’s perfect for hanging out night and day, rain or shine.

This flat roof acts as both a covering for a section of the first-floor deck as well as a balcony for the second floor of the home. Now, that’s what we call efficient.

Roof Over Deck Designs

Let us know if you like any of the styles from the images in the section above. As for design, there are three main types of roofing that you can choose for your deck. They include:

• Gable – Gable roofs are easier to build since they don’t require complex roof framing. They have gables at each end and sloping sides.
• Hip – Hip roofs are similar to gable roofs since they have sloping sides, however, they’re reconnected without using gables. On a deck roof, the supports should have a finished look since they’ll be exposed rather than hidden.
• Shed – This is the most common option for deck roofing because it’s the only one that works with the architecture for many homes.

Frequently Asked Questions About Building a Roof Over a Deck

Here are the questions that we’re most frequently asked about building a roof over your existing deck.

How much does it cost to build a roof over a deck?

The cost to cover a deck will depend on a number of factors. These factors include the type of material, the size of the roof, and how complicated it will be to build. Currently, the cost to add a roof over your patio will start at $2,000 and increase from there. Contact a local roofing company to get started and schedule an estimate for your project.

What is the roof over a deck called?

The roof over a deck is usually called a patio cover. This attached structure provides protection from sun and rain and can either have a solid or open roof. Pergola is another name for deck or patio roofs. This is typically characterized as an open roof that’s supported by posts or columns. They provide filtered shade to outdoor living areas.

Can I put a roof over my deck?

In most cases, yes! If you’re looking to add a roof to your deck, you can do this by installing additional supports. Unless you have construction experience, it’s best to hire professionals to do this for you.

How much does it cost to build a shed roof over a deck?

A shed roof is defined as a single-sloped roof that typically has a steep pitch. Shed roofs are often used for decks and patios. Like other construction projects, the cost will depend on various factors, but they normally run between $1,000 and $10,000 for the materials and labor.

Are roof decks worth it?

Most homeowners will agree that a roof deck is worth the price. Not only will it protect you from the elements when you’re outside, but it will also improve your home’s curb appeal and resale value if you’re looking to sell it in the future. Contact your local roofing contractor to see what they can do to help.

How much does it cost to cover your deck?

If you’re considering adding a roof to your deck, then you’re probably looking for a price range. The cost to cover your deck depends on a variety of factors, from the materials you use to the size and shape of the roof you’re building. In many cases, it will cost between $1,000 and $10,000.

What can I use to cover my deck?

If you search “how to build a roof over a deck” online, it will help you determine what to use to cover your deck. The three main options include a gable roof, a hip roof, and a shed roof. Once you determine the type of roof you want for your deck, then you’ll have to choose the type of material. We suggest contacting your local roofing company that builds roof decks to schedule a consultation.

How much weight will a deck support?

Since all decks are different, it’s impossible to provide a universal answer to this question. However, there’s one thing to keep in mind when you’re wondering how much weight a deck will support: A deck that’s properly designed will be built to hold 50 lbs per square foot. So, if you had a 100 square foot deck, it would be able to support 5,000 lbs.

What is the best option for roof decking?

The two most common materials that homeowners use for roof decking include OSB (Oriented Strand Board) and plywood. OSB is less expensive than plywood, but it’s more susceptible to trapping and storing moisture. The material you choose will usually come down to whether you’re willing to pay more for a higher quality.

Should I cover my deck?

It’s a good idea to have a covering for your deck, whether that covering is a roof or a tarp. Many homeowners prefer a permanent roof because not only will it protect you, your family, and your deck from the elements, but it also improves your home’s curb appeal and resale value.

Should I cover my deck in the winter?

It’s important to cover your deck in the winter to protect it from harsh winter weather. You can choose between a permanent roof and a temporary tarp, but you may want to build a roof to invest in the long-term. If you’re wondering how to put a roof over an existing deck, get in touch with your local roofing experts. They can either give you advice or complete the job for you.

Does a deck add value to a house?

Although a deck can help increase the resale value of a house, many homeowners don’t choose to install one for purely financial reasons. Decks add value in other ways, including what’s considered the “joy” factor, which helps improve the livability of homes. Installing a new deck may seem like a big expense, but it can be worth it in the long run.

So, What Do You Think?

Are you still interested in building a roof over your deck? If so, contact your local roofing expert. They’ll be happy to go over whatever you need, from style to design to costs. In no time, you’ll be enjoying your deck all over again with your friends and family, this time protected from the sun and rain. To learn more about our roofing services, give us a call at 215-798-9790.

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