How To Construct a Roof Over a Deck

December 5, 2022 by No Comments

Whether or not you latterly constructed a deck, or want to improve the present one, including a roof over the deck could be a welcome boost to your house. A roof over your deck protects from climate parts, like rain and snow, whereas including an aesthetic contact to make your outside area extra inviting.

One of the best half is that you just don’t have to interrupt the financial institution to put in a roof over your deck. And should you do it proper, a patio roof can considerably increase your property worth in order that you’ll reap most, if not all, of your funding again.

With the intention to construct a roof over a deck, you will have to attach the brand new roof framing to the present constructing. The best manner to do that is to make use of publish and beam building and have the rafters connecting the beam to the constructing.

Different, extra concerned strategies require you to take away a bit of the present roof, add in new trusses, and different framing choices for the brand new roof that can go over the deck.

Learn on to study extra about the way to construct a roof over a deck.

Forms of Roofs Over Deck

Earlier than you resolve on constructing a roof over your deck, you must take into account the several types of roofs which are accessible. The three principal patio roofs for decks are gable roofs, hip roofs, and slanted roofs.

Gable Roof

A gable roof is the preferred sort of deck roof and consists of two equally-sized slanted sides with a horizontal ridge on the prime. This design permits water to run off rapidly from the edges and gives good air flow all through the complete construction.

Building a Gable Roof Over Deck

A gable-style patio can also be preferrred should you want to connect photo voltaic panels or every other function above your deck because it has sufficient area for mounting such objects.

Some elements to think about prior to installing a gable roof over your deck embody price, supplies, and climate in your space. As well as, the set up of a gable-style roof will rely largely on the scale of the deck and the way you want to customise it regarding options like insulation, skylight home windows, or every other specialised options.

For instance, a gable roof might require further or costly supplies in comparison with a shed roof since it would want extra assist from the partitions and different options.

Hip Roof

A hip roof is much like a gable-style roof in that it has 4 slopes of equal measurement. The principle distinction between these two kinds of roofs is that whereas the gable fashion has two sloped sides and one horizontal ridge, a hip roof consists of 4 ridges that join on the prime.

One benefit of this sort of patio roof is that it’s extra steady than a gable-style roof as a consequence of its design. This makes it preferrred for prime winds or heavy rain/snowfall areas. Moreover, take into account this sort of roof if you would like a contemporary look and extra fashion choices.

Hip roofs may be put in in two methods – minimize hip or half hip. A minimize hip is used when the deck has 4 sides, whereas a half-hip is used when it has three sides. Identical to with gable roofs, the supplies required for putting in a hip roof will differ relying in your wants and desire.

Slanted Roof

Because the identify suggests, a slanted roof has two sides sloped inwards. One of these roof is also called a shed or lean-to roof and gives sufficient safety from the weather. A slanted roof might not stand up to heavy winds or snowfall, however it could present sufficient shelter from mild rain and solar rays.

One benefit of this sort of roof is that it’s cheaper and simpler to put in than different sorts. Additionally, you’ve gotten extra choices regarding supplies for setting up a slanted patio roof since there are a lot of variations accessible available on the market at this time.

Additionally Requested: How To Construct A Porch Roof

Finest Supplies for a Deck Roof

A deck is a large funding, so that you wish to use supplies that can final. Listed below are some widespread and simply accessible supplies on your deck roof.

Asphalt Shingles

Asphalt shingles are the best way to go if you would like a seamless look. These are light-weight and are available in numerous colours and textures, so you’ll be able to simply discover one that enhances your deck and residential décor. Asphalt shingles additionally present good wind resistance, which is crucial for any roof.

However earlier than you accept asphalt shingles, take into account their life span. Shingles are inclined to final solely 15-20 years, so if you would like a long-term answer, there could also be higher decisions than this. In the identical manner, take into account different elements, like how your roof can deal with heavy snow or rain.

As an example, should you reside in an space that experiences heavy snowfall, then there could also be higher choices than asphalt shingles since they’ll simply crack or break when uncovered to excessive temperatures.

Steel Panels

Steel panels are the best way to go if you would like a roof that may stand up to harsh climate situations. They’re accessible in numerous kinds and finishes, so that you’re positive to search out one that enhances the look of your house. As well as, steel roofs are sturdy and power environment friendly, which provides to price financial savings.

Installing Metal Roof Panels Over Deck

The opposite principal perk of steel panels is that they’re much lighter than different supplies. This implies you received’t have to fret about further weight being added to your deck, which is particularly helpful whether it is located on an higher degree of your house.

Polycarbonate Roof

This roofing materials is light-weight but sturdy and proof against most climate situations. Polycarbonate roofing materials can also be accessible in numerous textures and colours, so you’ll be able to simply discover one which fits your fashion preferences.

What makes this sort of roof nice for decks is its insulating properties. It helps preserve the world beneath heat through the chilly winter months. Moreover, polycarbonate roofs are designed to be shatterproof, which means they received’t crack or break from publicity to heavy winds or snowfall.

Polycarbonate roofs don’t bend even in chilly temperatures, so they continue to be efficient in all types of climate. Moreover, they’re comparatively straightforward to put in and may last as long as 25 years with correct upkeep.

The one disadvantage of polycarbonate roofs is that they’re comparatively costly in comparison with different roofing supplies. Nonetheless, given their lengthy lifespan and sturdiness, the price is usually value it.

The Price of Constructing a Roof Over a Deck

Typically, the price to construct a roof over a deck can vary from $3000 to $10000, relying on labor and materials prices. However this price differs primarily based on a variety of things, as follows.

Measurement of the Deck

The scale of your deck will likely be a giant consider figuring out the price of constructing a roof over it. Bigger decks require extra supplies and labor, so they’re typically dearer than smaller decks.

Kind of Roofing Materials

Asphalt shingles are comparatively cheaper in comparison with steel panels or polycarbonate roofs. Nonetheless, do not forget that these roofs might solely final for a short while as a consequence of their restricted lifespan. So take into account the upfront price when deciding on a roofing materials.


It’s essential to do not forget that labor prices differ from place to position. In case your deck is located in an space with increased labor prices, this might add further price to your undertaking. Take your time to analysis the labor prices in your space earlier than selecting a contractor.


The design of your roof may even have an effect on the general price. It is because sure designs might warrant extra supplies or labor than others. So when choosing a design on your roof, it’s essential to maintain this in thoughts.

DIY or Skilled Set up

It can save you cash by choosing DIY set up. Nonetheless, remember the fact that this requires lots of effort and time in your half. Suppose you aren’t assured in your skill to put in the roof correctly. In that case, hiring knowledgeable who can do the job rapidly and effectively with out compromising high quality is finest.

8 Steps to Constructing a Slanted Roof Over an Present Deck

Now that you just perceive the fundamentals of constructing a roof over a deck roof, listed below are easy-to-follow steps to constructing a slanted deck roof.

1. Type Your Plan

Each undertaking requires a plan, and this one isn’t any totally different. Earlier than starting your undertaking, take a second to think about the design of your roof and make an inventory of all of the supplies you will have. Some important elements to incorporate in your plan are:

  • The scale of the deck and roof
  • The kind of roofing materials you’ll use
  • How you propose to assist the roof’s weight
  • What number of trusses are wanted within the roof construct
Plan To Build Roof Over Deck

Moreover guiding you thru your undertaking, a plan is helpful when making use of for a allow to construct a roof over an current deck. Due to this fact, all the time embody a plan when making use of for permits.

2. Put together Your House for Framing of New Roof

After getting your plan in place, it’s time to arrange your house for framing. First, you wish to guarantee your current deck is degree, clear, and debris-free. The roof also needs to join seamlessly with the present partitions, so depart sufficient room for framing.

First, measure the peak of the deck. Then mark out the place you wish to set up your roof trusses utilizing string and a marker. You must then set up blocking between the present partitions for assist.

Prepping additionally entails putting in a nailer across the fringe of your deck. This can present a spot to connect the roof trusses and different steel elements.

3. Set up Connectors for Put up Base

You shouldn’t simply depend on the present posts for assist, as they could not be capable to deal with the load of a roof. As a substitute, you’ll be able to set up publish bases to assist your roof.

Earlier than attaching them to your deck’s posts, you need to safe the publish base into concrete. This step ensures that they’re firmly in place and able to tackle the load of your roof.

Chances are you’ll dig up your deck’s posts to entry the concrete earlier than putting in the publish base. Or, you might leverage current concrete for the publish bases.

Whichever the choice, the aim is to create a steady base on your roof. So, take your time to examine the publish base and guarantee it’s correctly secured. And if crucial, use strapping for added assist.

4. Set up the Posts

The posts are most likely a very powerful ingredient of your roof construct, as they’ll carry essentially the most weight. Measure and minimize your posts to measurement for a seamless set up.

Then, connect the posts to every publish base utilizing screws or nails. Once more, make sure that you’re putting in them securely into place to allow them to carry the load with none points.

As soon as all of your posts are in place and safe, use a leveler to examine whether or not they’re precisely aligned with one another throughout the deck space.

The best publish measurement must be 6-by-6 inches, however this will likely differ relying in your undertaking. For instance, suppose your slanted roof is protecting a bigger space. In that case, you might require greater posts for added assist and stability.

5. Set up the Beam

At this level, you will have to put in the beam. The beams are primarily the inside body of your roof and supply further assist for the complete construct.

Chances are you’ll want a beam desk to information you with the set up. And you should utilize your plan to find out the place every beam must be positioned.

Ensure that every beam is securely mounted and linked with all posts, joists, and trusses. Additionally, examine the desk for any weak factors or defects earlier than shifting on to the following step.

6. Set up the Rafters

Now that the primary construction of your roof is in place and steady, it’s time to put in the rafters. These assist the complete roof construct and provides your roof an aesthetic end.

Begin by measuring and chopping every rafter in response to measurement earlier than nailing them into place alongside the trusses and joists. Chances are you’ll want a hand noticed, gloves for this step, and security eyewear as a consequence of potential particles.

As soon as all of your rafters are set in place, use a leveler to examine whether or not they’re degree with one another throughout the deck space. You possibly can alter them accordingly till they’re evened out in the event that they aren’t. Lastly, use a hammer and nails to lock the rafters into place.

7. Set up Roof Sheathing

Roof sheathing affords limitless advantages when constructing a deck roof. First, it gives further safety towards wind and rain. Additionally, sheathing permits your roof to be stronger and sturdier.

Begin by measuring the size of every sheet of sheathing earlier than chopping them to measurement in response to your plan. Then, use a framing nailer or hammer and nails to securely connect the sheets alongside the rafters on all sides of the roof.

Chances are you’ll want further materials, for added power. However, once more, seek the advice of with knowledgeable contractor in case you are not sure which kind of fabric is finest on your undertaking.

As soon as all of your sheathing is in place, add any further supplies crucial for reinforcement the place wanted. Relying in your design plan, the fabric may embody including shingles or different protecting coatings over the complete deck space.

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8. Set up Roof Materials

The kind of roof materials you put in in your deck is dependent upon your design plan, funds, and desire. For added aesthetic worth, you would select from numerous supplies comparable to asphalt shingles, steel panels, tiles, and even wooden boards.

Installing Roof Shingles

Begin by measuring the size of every materials earlier than chopping them to measurement in response to your plan. Then, use a hammer and nails to connect the roof supplies over the sheathing securely. Ensure that all nails are hammered down into place for further stability.

Lastly, examine the complete space for any defects or weak factors earlier than shifting on to the following step. At this level, you can begin to complete up your deck roof construct. This might embody including further protecting coating or supplies comparable to insulation and siding. Additionally, should you want further elements, comparable to vents or skylights, that is the time to put in them.

Additionally, keep in mind to examine the complete construct earlier than formally declaring it full. Ensure that all posts, joists, trusses, rafters, and sheathing are securely mounted and positioned with nails or screws. In any other case, you threat having a weak basis which can compromise the complete construction of your deck roof construct sooner or later.

Key Variations When Constructing a Gable Roof

Constructing a gable roof over your deck is barely extra complicated than constructing a slanted roof. First, you will have to put in a further truss alongside the height of your roof. This step permits the 2 sides of your roof to fulfill within the center and type an A-frame form.

Additionally, you might want further assist beams or joists for added stability in case you are coping with heavier supplies comparable to tiles or steel panels. Lastly, most gable roofs require further protecting coating as a consequence of their steep angle and huge floor space. This might embody including sealants and reinforcing supplies comparable to insulation or siding the place crucial.

In abstract, when constructing a gable roof, there are a number of key variations in comparison with constructing a easy slanted roof. These embody putting in a further truss alongside the height of your roof, including further assist beams or joists for added stability and safety, and utilizing heavier supplies comparable to tiles or steel panels.

Continuously Requested Questions

Listed below are some generally requested questions on constructing a roof over a deck.

  • Sure, you want a allow earlier than enterprise a deck roof undertaking. The principle goal of the allow is to make sure you meet all security requirements. In any other case, you threat having a construction which will compromise the protection of your loved ones and guests.

  • A deck roof to an current home can add worth to your house. However a variety of elements determines how a lot worth you may get from this funding.

    As an example, the standard of the supplies and workmanship used, in addition to the design of the roof. As well as, the roof must be purposeful and aesthetic, so it must be effectively thought out and constructed correctly.

    Your area determines how a lot worth you may get from a deck roof. For instance, should you reside in an space with a chilly local weather, putting in a roof may also help preserve your house heat throughout winter. Potential patrons could also be extra drawn to your house as a result of improved insulation properties.

  • Constructing a roof over an current deck affords limitless advantages as follows.

    Safety from parts

    The main advantage of constructing a roof over a deck is its safety towards poor climate situations comparable to rain, snow, and wind. This helps prolong your deck’s lifespan and guarantee its sturdiness for longer.

    Get pleasure from anytime

    A roof over your deck means that you can get pleasure from it whatever the climate. You possibly can have barbecues and events or loosen up in your deck with out worrying about rain and snow.

    Area for dry outside initiatives

    A deck roof additionally means that you can undertake outside initiatives comparable to portray or putting in a swing with out the worry of getting moist.

    Present shade for sure vegetation

    The roof protecting additionally gives shade for vegetation that develop in your deck. This profit protects delicate vegetation from excessive climate situations and probably provides years of life to them.

  • The best choice for roof decking is dependent upon a number of components, comparable to price, climate situations, and utilization. As an example, slanted roofs are extra inexpensive and simpler to put in than gable roofs. However they aren’t preferrred for areas with heavy snowfall or rainfall, because the water might acquire on the flat floor.

    Gable roofs have an A-frame form, making them higher for coping with rain and snow. They provide superior safety towards parts of nature however require further assist beams or joists, which enhance their price.

    Due to this fact, it’s essential to think about your native climate situations when deciding the best choice for deck roofing. It’s additionally important to make use of high quality supplies for max sturdiness and effectivity. This can make it easier to get worth out of your funding in the long term.

  • Remaining Ideas

    Now that you know the way to construct a roof over a deck,  you shouldn’t have any points holding your BBQ dry and your company cool. It will increase the worth of your house, protects you from the weather, and allows you to get pleasure from your outside area anytime. 

    Nonetheless, it is very important use high quality supplies and think twice in regards to the design earlier than beginning the undertaking. This can assist guarantee most sturdiness and effectivity out of your roof decking funding.

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