How To Add A Roof To A Porch
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- Porch Roof Structure
- Building a Porch Roof
Building a Porch Roof
Edifice a porch roof or screened in porch roof over an existing deck or patio can be fairly straight forwards or very complex depending on the type of roof y'all choose.
We show you how two unlike roofs are constructed so you will know what is involved.
Almost porch roofs are typically shed roofs or variations of hip roofs.
The biggest challenge is determining the rise and run and cutting a "bird's mouth" at the outer finish of the rafters that rests on the header.
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Considerations Prior to Edifice Your Roof
Anytime yous are building a porch roof - or any roof project for that thing - keep your condom a main priority. We highly recommend that you keep your safety and that of your workers of utmost importance. Here'due south an article about best practices for roof safety.
We are non affiliated with the workers shown here in any manner.
- Determine the ascension and run of your home's roof. Near porch roofs should exist the same as your home's roof. Utilize our handy rise and run guide to help make up one's mind yours.
- Determine the type of roofing cloth y'all want to use. This is in role dictated by the ascension and run. If you take a unit rise of 4 or more than y'all can use nearly any type of roof covering (asphalt shingles, tile, slate, cedar shakes, etc.) Nevertheless, if the rise and run of your roof is 3 or less, you are limited to asphalt shingles. Once again, use our handy rise and run guide to help make up one's mind yours.
- Consider either raising your porch roof or lowering the ceiling (8 foot is normal) to arrange a college unit of measurement rise to requite you more options.
- Determine your electrical requirements for lights, fans, and receptacles. Why would you put a receptacle in your ceiling? Installing a receptacle in the ceiling will convalesce having to run extension cords!
- Note the placement of windows above your new porch roof. Y'all must leave a minimum of at least 3 inches below the window sills.
Know These Bones Steps for Edifice a Porch Roof
The following steps to edifice a porch roof like the 1 pictured above shed or hip-type roof) will give you a general idea of how information technology's done and what'south involved. We cannot cover every building method as they can vary widely from contractor to contractor.
We also practise not encompass every aspect in particular simply we give you lot sufficient information to assess your own abilities or to be able to ask the right questions of a contractor.
Practise not utilise the following data as a "how-to" guide; it is for information simply.
We highly recommend that if you are not 100% confident you tin do the work safely and to code that y'all consult with a professional licensed contractor.
We've also listed several books and tools, and products that will make your roof project easier and safer.
Step one: Do You Know Your Local Codes and Permit Requirements?
Know and comply with your local building codes regarding roof construction in your area. In addition, pull the proper permits as required. Many people, peculiarly DIYers, do not similar to get permits due to fourth dimension and costs.
However, doing and so ensures that your work is to code in order to protect you, your family, and your property. In addition, many insurance companies may non pay claims in situations where work was not to code. Words to the wise.
Step two: Determine Rise and Run (Say What?)
When building a porch roof y'all have to determine the rise and run of your porch roof. Normally, you will want to replicate the same ascent and run you have on the main roof of your habitation.
Sometimes this is not viable due to window placement only you desire to get as close to it as possible.
Next, make up one's mind the location on your wall where you will adhere the rafter plate to get the proper ascension and run. Our basic rafter length calculator will give y'all a general idea of how long your rafters must be for a given rising and run.
Footstep three: Mark Rafter Plate Location and Remove Siding (if applicative)
Now that you know the rise and run, you lot know where to place the rafter plate on your wall. Brand sure it is at least iii inches below any windows allowing for the thickness of your covering materials (at least ii inches).
Snap a horizontal chalk line at this indicate a minimum of the length of the flooring below. This volition be your "upper" line measurement for the rafter plate.
Measure downwards from this line the width of your rafter plate. Usually, it is a 2x6 board, so in this case, measure downwards approximately 6 inches.
Snap a horizontal line at the mark - it is your "lower" rafter plate line. These two lines correspond the location of your rafter plate.
Carefully remove the siding contained within those lines to betrayal the wall studs or other supporting material. Disregard if placing rafter plate on brick, etc.
Annotation: In our building project depicted by the photos on this page, the rafter plate and ledger lath were already exposed after nosotros removed the old porch.
Step iv: Install the Rafter Plate
Fasten the rafter plate to the wall studs with lag screws. However, this may non ever exist the case. Sometimes y'all may run into an I-beam or truss state of affairs. A different fastening system will need to be used in those cases.
Step 5: Locate Column Positions
Snap a chalk line on top of your porch or deck on the outside line of the beam that supports your flooring. Y'all'll have to locate the beam underneath (usually visible from each end).
You will locate, equally a minimum, one column on each terminate at least 3 inches in from the corners and i every 6 to 10 feet apart. Consider openings for stairs when determining the actual placement of columns.
You will typically need one on each side of the stairs. As a rule of pollex, try to utilise an odd number of columns; information technology'south more aesthetically pleasing to the center.
Check with your codes department to ensure you lot prepare the right amount based on the width and blazon of roof existence constructed when building a porch roof.
Setting the porch column
NOTE: Everything outlined in a higher place pertains to decks and patios also. However, you may have to make a few adjustments:
ASSUMPTION: We are making the assumption that your porch flooring is level. Care must be taken at every step to ensure all columns, beams, headers, etc., are level and plumb.
Decks: You nonetheless need to attach columns to the beam nether your deck. Depending on how your deck was constructed y'all may need to reinforce the beam to carry the column and roof. Check local code requirements.
Patios: For patios, attached your column anchors to the concrete with the appropriate fasteners. There are several different types on the market and your local dwelling supply store should be able to aid. If yous take other than a poured concrete patio, you should review our porch foundation section.
Step half dozen: Put Upwardly the Columns (Details to Think Near)
Putting upwardly porch columns
Earlier installing columns, be sure you've selected the right cavalcade design for your porch. Bank check out our columns department to learn more about them.
Place a column in the anchor on one stop of the decking, plumb, and secure properly. You may demand to brace the column while y'all continue.
On this building a porch roof project, a axle is placed against the ledger board and attached to the top of the terminate cavalcade. Plumb and square the column. Brace as necessary.
(This lath may non be required in your situation. If you lot don't have a ledger board, you will need to create blocking to accept the beam. Utilize the aforementioned procedure for installing a rafter board above).
Repeat this on the other end too.
I've seen and done this several dissimilar ways. 1 is to anchor and brace all of the columns. Another is to ballast and caryatid the exterior columns and then anchor the header on each cease. It depends on the length and peak of your roof.
When building a porch roof, an important goal to have is to make sure the columns are square to the house and the flooring.
On this particular project, we reused the onetime header and due to it'south length, installed information technology on columns in sections as depicted beneath.
Installing the porch header
You volition normally build a header out of 2x6 or 2x8 planks. Sandwich a piece of 1/2 inch plywood in between the boards and boom together. When edifice a porch roof, the header carries nigh of the weight of the roof.
Ensure that it is substantial. Identify the header on tiptop of the columns and secure by toe nailing. Go along this process the length of the porch.
Stride 8: Cut and Install Rafters (What Are Tails and Bird Mouths?)
Before yous install the rafters you will take to brand special cuts called "tails" and "bird mouths". These notches are designed to fit against the rafter lath and over the header.
You volition need a rafter foursquare in order to lay out the cuts on the boards. Building a porch roof requires accurate measurements. Although not difficult, laying out the cuts to fit precisely requires practise and skill.
Step ix: Install Supports
For this edifice a porch roof project, we needed to provide nailing support for siding and to enclose the ends. Nosotros did this past installing jack studs and plywood on each end of the roof.
Step 10: Install Fascia Boards
A fascia lath is installed on the rafter tails. Gutters will be attached to this later. Although we did not utilize them on this porch roof, yous could install "lookouts" that adhere to the end of the rafter tail and the header. These provide a flat surface on which to smash the soffits.
Step 11: Utilise Sheathing and Roofing Materials
covering paper
Sheathing (1/2 inch plywood or OSB) is nailed to the rafters. In one case completed, roofing newspaper will be installed. Then attach baste edge over the roofing newspaper. When edifice a porch roof, asphalt shingles (or other covering textile) are then attached over the roofing paper and drip border.
An Oftentimes Asked Question
Nosotros are often asked how to integrate a new porch roof'southward shingles with those on an existing home if the roof line is extended over the porch.
Consider electrical wiring needs when installing your porch roof
As you lot tin can see in the picture above, now is the time to install your electrical wiring for lights, fans, and receptacles according to your plan.
Planning to install outdoor ceiling fans now or in the futurity. Now's the time to add additional blocking to support the fans!
TIP: If building a porch roof (or any roof) in snow land you should consider using an ice and h2o bulwark forth the edge of the roof line. It usually comes in three-foot rolls and prevents impairment from ice dams that may grade on your roof.
Step 12: Wrap Exposed Wood with Flashing
Aluminum flashing is used to wrap the exposed wood on the beams and sides. A special motorcar is needed to curve the flashing to fit over the woods. It really helps to have experience prior to attempting this to ensure it looks proficient on your home.
Run across our porch ceiling section for structure, tips, and ideas!
Edifice a Porch Roof Using Trusses
The simplest form of a truss is i single triangle with fixed sides.
A planar truss, like the ane in a higher place, lies in a single plane and is unremarkably used together to course the roof support structure. They are extremely potent and normally synthetic off site and made to specific measurements. Therefore, it is very important to ensure your measurements are correct before ordering.
Porch roof construction using trusses is much similar using basic rafter construction equally outlined higher up with a few exceptions. Trusses definitely expedite the process.
Install Beams to Support the Roof Trusses
Beams demand to exist installed to support the roof trusses. In the photograph below, beams are supported temporarily with bracing which volition be removed later in the construction procedure.
Installing axle for trusses
Squaring the beams and bracing them to ensure the maintain square is essential to the roof building process.
Once the beams are in place mark the spacing for the trusses, commonly sixteen inches autonomously. Marking both the house wall and the carry beam.
Now its time to position the trusses. If everything is square and your measurements are correct, installing the trusses is fairly easy.
Position the porch roof trusses
When building a porch roof with trusses on this type porch, the corner and subsequent trusses are built a lilliputian differently due to the gradient of the roof. Every bit you can run across, the truss angles are synthetic to maintain the aforementioned gradient.
Corner trusses are positioned
Next, soffit framing is installed along the roofs border.
Finally, the framed roof is now ready for sheathing as outlined in the roof construction steps higher up.
Attempt These to Make Your Covering Job Easier
Mary and I discovered these products that nosotros believe volition make your porch roof project easier to consummate. We may receive a small commission on sales.
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A Slope Indicator is Very Helpful
Nosotros take i of these Johnson Pitch and Slope indicators (our chapter link).
Use this slope indicator tool to make up one's mind the slope of your roof. Information technology's also perfect for stair slope and drainage angles. I also use mine in my woods shop to determine the correct angle on my table saw. It's a very useful tool.
Ultimate Guide to House Framing
Before y'all go...
Await at These Porch Roof Designs
Use our porch roof design ideas to see your options. . Y'all'll encounter some intriguing designs along with traditional shed roofs, flat roofs, gables, hip, and many others.
Rent an Experienced, Trustworthy Contractor
Become insider tips from Nancy Moore for choosing a skillful contractor of integrity, and learn how to prepare. Take your time on this.
How To Add A Roof To A Porch,
Source: https://www.front-porch-ideas-and-more.com/building-a-porch-roof.html
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