Tuesday, April 23, 2024
HomeBuildHow To Build Patio Roof Attached To House

How To Build Patio Roof Attached To House

Make The Patio Roof A Little Bit Higher

How to attach a patio or verandah to a house

It is almost similar to the first method, but to make the patio roof a little bit higher, you will need to remove the house gutter and place the back channel a bit higher.

Because the gutter is removed, you will need to install transfer flashing from the roof of the house to the patio. It allows you to add over a hundred millimeters of extra height.

Before & After Photos

On the left you can see the deck before we stained and painted it followed by the deck before we added the DIY pergola. The photo on the right shows the deck with the finished pergola.

Are you ready for the tutorial? First we had to rip out that arbor. After that we were ready to begin. Here is the complete DIY covered pergola tutorial!

Vertical End Beam And Rafters Checked For Level

Attach the Rafters

Attach 2×6 rafters to the house with joist hangers and/or supported by the ledger board. If necessary, use a sliding bevel to determine angles needed where the rafters will meet the ledger board. Rafters are placed on 24″ centers, and attached to the beams and settle joists are attached as needed . The rafters should be added from each end working toward the center. Check each rafter for level as they are installed. Attach to ledger first, then settle joists. The vertical end beam is checked for level as the end rafters are positioned and secured. If the rafters extend over a beam, do not extend more than 1/3 of overall rafter length.

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Does A Pergola Add Value To Your Home

Heres what we tell our customers: yes, a pergola will add market value to any house . Since outdoor living has become more popular than ever, the value of properties with a pergola or a comfortable outdoor space has been on the rise. A safe gauge for a deck or backyard improvement is about 50% 80% for your ROI.

Modern In South Africa

How to Attach a Patio Roof to an Existing House

The South African firm;LevEco;Architects;designed an overhead with a ceiling made from;IsoPine, which is a composite polystyrene material that functions well outside, provided it doesn’t get direct rain. The timber roof rafters are pocketed into the brickwork of the house, so you don’t see any connections. The roof sheeting is attached with flashing and waterproofing.;

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A Green Option: Shade With Trees And Plants

Large planters with trees provide shade and bring greenery onto the deck. Evergreens are a good choice. They look and smell nice, and grow tall enough to provide shade . When filled with soil, these planters tend to be heavy. Limit the size to what you can move around. Set planters along the edge of the deck to serve as a sun screen. In cold climates, trees may not survive winter in a planterask before you buy.

For even more shade, plant trees in the ground around the deck. Maple trees are one good choice because they have dense foliage for blocking the sun and are fast-growing, so you won’t have to wait 20 to 30 years to reap the benefits. Ask about other choices at a local nursery. In many ways, trees are the best shade system because they can shade large areas, provide privacy and beautify your yard. The downside is you have to wait several years for results.

Patio Cover Not Attached To House

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Add The Aluminum Flashing

Once you are sure enough that your ledger board is attached properly, you can start adding the aluminum flashing.

  • Tuck the aluminum flashing underneath the bending and siding over the ledger.
  • Put down ledger boards face.

Before hanging the rafters, you can make it look more attractive by staining or painting them as you wish.

  • Attach the metal joist hangers to the rafters.
  • Attach the rafters to the house with joist hangers which supported by ledger boards.
  • Place the rafters on 24 centers, attach them to the settle joists and beams toward the center.
  • Attach the rafters to the ledger boards and settle joists.
  • Make sure to check the vertical beam to ensure that the end rafters are placed securely.

Fastening To Masonry Walls

DIY Patio Roof Build

Anchor a ledger to a masonry wall with expanding anchor bolts. Begin by marking a line across the wall for the ledgers top edge. Drill holes for the expanding anchors every 16 inches or as specified by local codes, insert the anchors, hold the ledger in place, and tap it with a hammer to indent the anchor locations on its back face.

Remove the ledger, and drill bolt holes where the bolt tips have left marks. Push or hammer the ledger back onto the bolts, recheck for level , add washers and nuts, and then tighten the bolts.

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Planning Your Patio Cover

When designing a patio cover, it can help to make a drawing of cover including the house and the patio itself. SketchUp or other designing software can be helpful in your planning, but in lieu of those aids, scale drawings on graph paper will work just fine. For our purposes we will design a cover that is 12 ft. wide by 16 ft. long.

Start by measuring from grade or ground next to the foundation up to the underside of the eaves. Next measure out to the fascia or vertical finish of the eaves. Determining the roof pitch completes this part of the drawing. The simplest way to hold one end of a 2-ft. level against the roof, and then measuring straight down to the roofing material. Divide that number by two and that gives you the pitch, or the amount of vertical rise in the roof per foot of run. Transfer those calculations to your drawing.

Next measure out from the house to the edge of the patio. Most often the grade slope away from the house slightly for drainage. .

Ditch The Splash While Maintaining The Air Flow

The main goal of installing a patio roof is because you want to enjoy hanging out in your patio despite the weather. However, in some cases, you will not only block the splash but also the airflow.

To prevent it from happening, you need to place the patio sheeting about 300 millimeters over the top of the roof. This technique allows the patio roof to perform a shield from the rain without blocking the airflow.

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Canvas Shade Sail For Patio Roof

Simple yet elegant. This canvas shade makes a pretty good roof for the patio. It does not only accentuate the patio which gives it a more exquisite look, but also protect you when you feel like to enjoy the view of your backyard.

This patio roof features curtain tracks that are attached on each of the beams. They allow you to adjust the canvas shade as you please.

You can draw the canvas back to get natural light or close it so that the patio will be completely covered.

How To Attach A Ledger Board To A House For A Patio Cover

How to Attach A Patio Roof to An Existing House and 10 ...

Patio spaces are great for relaxing and spending time outdoors. However, the same cannot be said if your patio lacks a cover, as youll not be protected from the elements. A great way to improve your patio is by attaching a ledger board for a patio cover. Not only does it offer shelter from sunlight and rain, but it also adds aesthetic appeal and value to your home. Its not a complicated process either to attach a ledger board to your house.;

You will need to know what is required when attaching the ledger board to your house and how the entire process works, which you will learn if you read on.;

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How To Build A Patio Roof

Making a patio cover is not as hard as you think. Of course, some construction skills are applied, but not much expertise is there. You only need to know how to use those materials and follow the guidelines provided for you. However, its advisable to look for an expert if you cant do it yourself. Preferably professional designer, just make sure whoever does it is knowledgeable of the job. Here are the steps to follow.

1.; Measure the total length between the house and the patio. This is to ensure accurate measurements are used.

2. Measure the length of the beam youll use.

3. Remove the hanging eaves to create space for the roof. Though this is optional. You can decide to keep the eaves and add architectural designs to add decoration in your patio.

4. Fasten patio posts to the ground using bolts and screwdrivers. Doing so provides enough support to hold the roof during harsh weather conditions.

5. Cut the sides of its roof beam horizontally. It should be thorough in sticking rafters on it.

6. Use the nail gun to attach the horizontal beam. Afterward, cut the outer rafters to make it flush with the roof of your house.

7. Assemble outer rafters and attach the beam to the roof edge. Ensure it is firm to effectively hold the roof.

8. After all, rafters are input, fix the planks horizontally to finalize the construction.

9. Lastly, install black roofing with an oriented strand bond. Finally, do the finishing with your roofing shingles.

How To Attach A Patio Roof To An Existing House

When you attach a patio roof to an existing house, you can create a patio look that flows from roof out. Creating this patio roof requires some woodworking knowledge and patients, but if you have the skills and time, you can make it work. Here, our roofing experts explain how to attach a patio roof to an existing house.

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Translucent Fiberglass Patio Roof

Fiberglass is very versatile. Therefore, you can use it as the roof of your patio.

Fiberglass is pretty light and flexible. Its flexibility and weight make it quite favorable when it comes to patio roof.

Besides, fiberglass is quite cheap, but it can make your patio look more beautiful just like the one in this picture.

Can You Put A Ledger Board Over Siding

Building of a roof addition over an existing concrete patio

In order to install the ledger board , you usually need to remove the houses siding . Never install a ledger board over the top of siding no matter what you hear, this can weaken the connection. Aluminum and vinyl siding can easily be removed with tin snips from an area one foot surrounding the ledger board location.

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Install Some Riser Brackets For More Height

If you wish to reach a specific height, you can lift the roof of the patio with some riser brackets. The patio roof which is raised with some brackets requires a custom barge cap.

It will not only allow you to raise the ceiling up to 2 feet, but also give various splendid options for the finishing look and relaxed ambiance.

You can go with opaque twin wall sheeting if you want to get some natural light for your patio.

Opaque twin wall sheeting that is installed between the roof of the patio and the barge cap allows natural light to pass through.

If you are not really into natural light and want to block it, you can infill the gap between the patio roof and barge cap, and seal the rear opening.

To get a cleaner and nicer look, you can add some extra flashing wall covering. After that, you can seal the brackets from the front.

Does A Covered Patio Increase Home Value

Outdoor renovations often add value to your home . For example, building an elegant pergola, gable patio or adding quality decking can make a big difference to the look and feel of your home . More often than not, renovations like this can extend the life of your home or attract potential buyersif looking to sell.

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Building The Patio Cover

I realized, too late, of course, that I didnt take a good before picture for this project, but the above step 1 shot will do the trick, I think. You can clearly see the concrete pad we had to work with it measures about 12 feet deep , and about 24 feet long. It was also slanted, in order to guide water away from the house, but I did not realize;how slanted it was! Chels said she had always noticed the dramatic slant , but upon measuring it, I found it dropped a full;four inches from the house to the grass! Four inches over twelve feet was much more than I bargained for when I was drawing this project up on my notepad, and I knew that compensating for it was going to be a fair amount of work

The first part was relatively simple. Before erecting the 4×4s, I cut the ones closest to the house down about four inches so that the tops of the posts would be level front to back. I attached plastic post anchors to the bottoms of the 4×4s, and then secured the plastic post anchors to to the concrete using my hammer drill and nail-in concrete anchors. The plastic posts do a couple of things for you first, they make it easy to mount, erect, straighten, and level the 4×4 posts. Secondly, they keep the post itself elevated off the concrete just slightly, so the post base will never be sitting in water as time goes on.;

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Install The Clear Corrugated Roof

How To Attach a Patio Roof to An Existing House

Next, you will install the wood roof supports on top of the wood slats and then install the clear corrugated roof on top of these roof supports. As far as painting goes, you should at least paint the wood roof supports before installing them because once the roof is attached it will be very hard to paint, and impossible to paint the top .


  • Corrugated roof panels we used 8x 26 wide panels at 12 lengths from Home Depot
  • Horizontal plastic closure strips, packs of 6 we used 8 packs of 6 to cover our 4 roof supports at 16 long each support
  • 2×2 wood roof supports we used 8x 8 lengths, but you could use 4x 16 lengths, or whatever length you need for your project to at least create 4 roof supports across the top
  • 1.5 Decking screws
  • 1.5 Fastener Screws

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Different Ways To Join A Patio Roof To An Existing House

Attaching a patio roof to the house is an important decision that requires careful consideration. There are many different ways and positions you can choose from, each with its own pros and cons.

Knowing which position suits your needs best will make attaching the roof easier in the future once you learn how.

Install The Support Posts

You can place the columns outside the porch area or install them on the porch deck. In the former case, youll have to dig holes in the ground and fix the support posts into these holes using concrete. In the latter case, you will have to anchor the columns to the beams located under the deck. For the patio, you have to attach the columns to the concrete using special fasteners.

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How To Build A Patio Pergola Attached To The House


  • It took us 1 1/2 gallons to paint 2 coats on the patio pergola.
  • Installing the Posts

    We knew we were going to adding a pergola to our patio before we had the concrete poured. To give our pergola footings a strong grip, the concrete guys dug out where the posts were going to be so the concrete was deeper in those areas.

    Then when we installed the post bases, the bolts used to hold them wouldnt be longer than the cement was deep for a nice strong hold. This step is not necessary, but if you can, it doesnt hurt.

    To install the post bases, we drilled a 1/2 hole in the concrete with a 6 masonry bit. The hole was about 4 1/2 deep.

    Then we placed the base over the top and using a hammer, tapped in the wedge anchor. And we tightened it down with a wrench. Now we were ready for posts.

    I thought it would be easier to paint all the boards for the pergola before we built it, then I could just add the final coat once it was built.

    Well, because of the rain, I only managed to get a few boards painted. So you will notice some boards are white, but most are not. No worries, we remedied that when the sun finally decided to shine again.

    We attached the 4×4 posts to the post base. Then cut 2×4 boards to flank either side of the posts. These are for a bit more stabilization and to support the weight of the 2×8 beams to make installing them easier.

    Attaching the Header to the House

    Now, getting the siding back on may prove to be a challenge too. Ill be sure to share that too.

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