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HomeBuildHow To Build A Slanted Roof

How To Build A Slanted Roof

Lean To Shed Roof Plans

ARK: How To Build A Slanted Roof | Viking Build Tutorial (Easy)


  • G 2 pieces of T1-11 siding 48×45 long, 2 pieces 48×36 long, 2 pieces 48×27 long, 2 pieces 48×18 long SIDING
  • G 2 pieces of 2×4 lumber 25 long, 2 pieces 16 1/4 long, 2 pieces 2 1/4 long SUPPORTS
  • I 16 pieces of 2×10 lumber 220 long RAFTERS
  • J 2 pieces of 2×10 lumber 220 long, 7 pieces 8 1/4 long 2xOVERHANG
  • K 4 pieces of 3/4 plywood 12×96 long, 2 pieces 12×28 long, 8 pieces 48×96 long, 4 pieces 48×48 long, 2 pieces 28×96 long, 1 piece 28×48 long ROOF
  • L 2 pieces of 1×12 lumber 220 long, 2 pieces 132 3/4 long TRIMS
  • M 450 sq ft of tar paper, 450 sq ft of asphalt shingles ROOFING
  • 3 pieces of T1-11 siding 4×8
  • 1 piece of 2×4 lumber 8
  • 21 pieces of 2×10 lumber 20
  • 14 pieces of 3/4 plywood 4×8
  • 4 pieces of 1×12 lumber 10
  • 4 pieces of 1×12 lumber 12
  • 450 sq ft of tar paper, 450 sq ft of asphalt shingles
  • tar paper
  • 6d nails, 2 1/2 screws, 3 1/2 screws
  • wood filler , wood glue, stain/paint

The Garden Party Backyard Idea

This patio pergola is a backyard option designed to jazz up your outdoor area. Its perfect for recreational use, though My Outdoor Plans cautions that youll need to judiciously place it, otherwise there could be negative landscaping consequences.

It makes sense to do your homework prior to beginning one of these woodworking projects- there are so many different styles available to choose from that many builders often decide to mix-and-match elements from different design plans.

The materials list helpfully includes all of the different items youll need to assemble this particular pergola, including wooden posts, support beams, carriage bolts, shading elements, screws, slats, braces, and footings. They cautioned that if your home is in a particularly windy area, you might need to embed the posts in concrete or even lock down the entire structure with braces.

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The Classic Column Build

This unique style pergola will provide shade to your patio or wood deck. It features classic columns which support a wooden lattice framework that dapples the light.

The columns are not that hard to build as you might think because you are not going to make them they are hollow-core and precast. Despite that, this is a complex pergola project, and it will take a couple of weekends.

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How To Build A Slanted Shed Roof

  • Written by Alex Bhatia on May 28, 2010To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience.Reviewed by

Having a shed on your property grants you extra space for storage, construction projects, and more. One of the most important aspects of building a shed is building a sturdy roof. A slanted shed roof can easily be built if one of the walls of the shed stands taller than the opposite one. If both walls are the same height, you can either raise one by adding plates to it, or you can build a frame for the wall separately and then install this on top of the wall. Once your walls are uneven, you can build a slanted roof to fit.

How Is Shed Roof Pitch Measured

Mono Pitch Roof Shed Plans  Modern House

So far I have referred to the roof slope in degrees. That is the way that my engineering mind works.

However many roofers work on a ratio system which equates the amount of rise in inches for a horizontal distance of 1 foot . Both systems work and I have a table below that will help you to translate from one to the other.

Comparison of roof slopes rise:run vs roof pitch in degrees

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How To Build A Lean

Free plans, diagrams, and step-by-step instructions for building a simple 4-by-6-foot outdoor shed. Step-by-step instructions, too!

Have you been longing for a shed where you can store lawn and garden equipment, sports equipment, compact outdoor furniture, and miscellaneous tools and supplies? When inconspicuous, functional storage is all youre looking for, a lean-to shed is the perfect solution.

Per its name, the structure simply leans against the house or garage for additional support and provides a water-safe haven for shielding gear from the elements. If you have moderate do-it-yourself skills and tools, this is a weekend project. If you decide its more than you bargained for, check out these convenient .

Browse Tools for This Project on Amazon

Measuring The Span Of The Shed

Before starting the project you will need to measure the exact shape of the roof that you are about to cover. The required lengths of the common rafters can be determined only when the span of the shed has been measured.

Use a measuring tape and figure out the dimensions of your roof. In case theres a wall which can be used for constructing the awning, then you need to make sure that it can bear the load.

The length of the rafters which you are going to use for the project is derived by taking the total span of the shed and then deducting the thickness of one wall from that number.

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What Products Do I Need To Build A Slanted Roof Shed

Building materials depend on the desired shed roof plans. You will need timber to build a slanted roof. You will be using two by fours and two by sixes for the rafters of your roof.

You have to make sure that they are not warped and are straight enough to support the weight of the roof when it’s done.

Scrap wood is ideal to use for the gussets in between your trusses. Gussets prevent the wood from splitting when it comes under any kind of stress. After joining the trusses with the rafters and joists you need to put the roof sheathing on the structure.

The fascia rafters i.e. the horizontal rafter of the outer edge of the overhang has fascia boards that hold guttering and the last row of shingles of a pitched roof.

You will also need metal brackets for the joints between the trusses, galvanised nails, screws, and possibly an underlay for putting down before you put your shingles over it.

What Does Single Slope Mean

How to Build Shed Roof with Overhang Low Sloping Roof Construction

As the name suggests, single slope roofs are the ones that have slopes in one direction. Such roofs can be used for a variety of purposes and come with several need-based roof pitches. To install this type of roof, make sure there is a strong frame underneath. If your building already has a gable roof, then you can install a single slope roof on it.

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Building A Flat Roof Right

Here’s how the pros construct one so it stays tight and tight

Flat roofs aren’t architecturally logical, as rain and snow will shed much more quickly off a sloped roof. Yet for historic Modern-style buildings like This Old HousesCambridge TV project, flat roofs are at the core of the architecture, meant to reflect the broad horizontal lines of the natural landscape.

Of course, you don’t need to live in a modern house to deal with a flat roof. Traditional homes often have sections of flat roofover shed dormers, above porches and garages, and on balconies. And their horizontal lines abound in the West and in urban areas.

But flat roofs take a pounding from harsh weather, which is why they rarely last as long as a good sloped roof. Fortunately, modern materials for covering flat roofs have improved considerably over the past two decades some carry warranties of up to 20 years, approaching those for sloped roofing.

“If you build and flash one rightand keep it cleana good flat roof won’t leak,” says TOH general contractor Tom Silva, who had seven different flat roofs to contend with on the Cambridge project house. He sealed them all with a glue-down EPDM rubber membrane system, a favorite of his because it’s light, quick to install, and requires no special equipment.

Step 1

Building A Shed In Your Backyard

Image source: Unsplash

Summer is just around the corner. Maybe its time to upgrade your backyard and add a shed to it. A shed can work as a storage space or living area. When designed properly, it can even serve both purposes at once. Sounds great, doesnt it?

To recap, heres a step-by-step guide on how to build a shed with a slanted roof:

  • Measure your sheds surface area. Mark it accordingly.
  • Lay the foundation of your shed. Make sure its level.
  • Build your sheds structure using the timber you have. Fasten each piece securely.
  • Start laying out the rafters for your sheds roof. Its a slanted roof. All you need is to space the beams equally across the area.
  • Make an angled cut on the beams. These will serve as a notch for your sheds walls. Fasten your rafters to your shed.
  • Add a layer of roofing felt to make it watertight. Make sure its applied securely and tightly.
  • Start installing the asphalt shingles on your sheds roof.
  • Dont forget to add a vent for your shed. This is to keep it sturdier and more durable.

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Prepare The Construction Site

Once I decided on the site for my shed, I cleared the area of ground cover. I added 2 on each side of the shed perimeter and hammered in wooden stakes at the corners to give me the area I needed. I removed any sod and the top layer of soil, and then slightly compacted the site to pack down any loose soil.

How To Build An Angled Pergola

How To Build a Shed with a Slanted Roof [Step

28 April, 2010

Pergolas add a decorative element to any outdoor space. In addition to decoration, pergolas can provide several functions, providing shade, defining a space, and providing a structure for vines and vertical growing plants. Grapes and ivy, for example, grow well on pergolas. The foliage also provides extra shade. A standard pergola has no angles, but some outdoor spaces might work better with an angled pergola. A salt box-style house is one example of a place an angled pergola would look best.

Cut the top ends off two of the 4-by-4-by-96-inch posts at a 14-degree angle, using a miter saw. These are the front corner posts of the angled pergola. Cut the top ends off two of the 4-by-4-by-72-inch posts at a 14-degree angle, using a miter saw. These are the back corner posts. Measure up 36 inches from the bottom of the front and back corner posts. Mark this measurement with a pencil.

  • Pergolas add a decorative element to any outdoor space.
  • Cut the top ends off two of the 4-by-4-by-72-inch posts at a 14-degree angle, using a miter saw.
  • Measure in at 12 inches and 30 inches from both ends of the remaining four 4-by-4-by-96-inch posts, using the measuring tape.
  • Cut a dado on the center of the pencil marks on each of the posts.
  • Position the four 4-by-4-by-72-inch posts parallel to each other with the dado cut facing up.


Wear eye protection when working with wood.

Follow tool safety precautions carefully.

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Which Is The Easiest Shed Roof Pitch To Build

In my view it has to be the flat roof with a nominal slope. My reasoning for this is that all that is required is a simple beam.

There is no fabrication of roof trusses required. The roof joists can be fixed spanning directly between wall plates. I always recommend at least a minimum pitch of 1 in 40. This translates into a fall of just under 2.5″ on an 8 foot roof.

Fix your roof deck and you are done!

Potential roof framing for a flat roofed shed. The roof comprises a simple beam.

Building roof structures for steeper roof pitches involve different methods. Have a look at the shed roof design and shed roof construction pages to see the construction stages for shed roofs of other pitches and types.

Pulling It All Together

In summary, traditionally a roof pitch was determined by the climate and the available materials to achieve a dry building.

As housing density has progressed and planning rules introduced many sheds have shallower roof pitches due to zoning and planning requirements.

Your shed roof pitch may also be influenced by your project specific requirements to let light into the building through the roof or create storage space in the roof void.

Whichever roof pitch you choose make sure that you select a roof covering that is designed to be waterproof at the angle that you eventually select.

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Check Local Law Restriction

My first step was to look up the local building regulations for some answers:

  • What is the greatest size shed I can build without, and with, a permit?
  • Are there any restrictions on building materials?
  • Any setbacks?
  • Is there a maximum height for a shed?
  • Any requirements on door widths?

I then checked with the local utilities to ensure my shed wouldnt interfere with their services. To be safe, I also checked with my neighborhood association to see if they had any restrictions.

According to my town regulations, I could build a shed up to 10×14 without a building permit. I emailed the local building department to see how they measure the shed size by outside perimeter foundation footprint, or the roof projection.

They responded quickly and politely. They confirmed that I didnt need any permits and included other helpful information. The size of the shed would be calculated by the foundation footprint. Also, the maximum height of a shed, measured from ground level to the highest peak of the roof, is set at 14 and must never exceed the height of the house.

The regulations allowed a storage shed to be built in the side yard, backyard, or in the rear setback but never over the septic field. Included in their reply was also a list of approved materials for exterior siding which was useful.

Adding The Final Touches

Best Shed Roofing System Ever! | How to Build a Shed | Part 4

Use the saw on the rafters that remain and then arrange them out properly, using nails to bind them together. If needed, you can also use fillers and block stiffeners. Use chalk to mark the boundaries of the overhangs as desired. The sliding T-bevel can be used for denoting the outer edge.

Take the fascia rafters and fascia board and put them into place on the opposite end. Experts advise using lookouts with ladder framing to go along with fascia rafters. Once the slant roof has been put in, finish the layout work and then nail the plywood into place. Then, you’re ready to add shingles.

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Getting Started On How To Build A Pergola

Heres a summer project designed to keep you cooler on even the hottest of days. The classical columns support an overhead wooden lattice that works like a big shade tree, letting only a portion of the suns radiance shine through.

What looks like the toughest part of this pergola plans project is actually the easiestthe graceful, solid-looking columns. Theyre not wood at all but a hollow-core composite material with amazing structural strength and durability. Weve designed the pergola plans so you simply slip these columns over treated 4×4 posts embedded in concrete. When screwed to the wooden posts, these columns provide a stable, solid base for the overhead lattice framework.

These paintable precast columns are available by special order at home centers. They come in a wide variety of diameters and heights and architectural styles.

Pressure-treated dimensional 2x8s and 2x10s make up the majority of the upper framework, and the decorative end pieces are cut with a jigsaw from our pergola plans. The whole project can be built in a couple of weekends, with another weekend for staining and painting.

We built our pergola over an existing stone patio that saved a lot of patio work. If youre planning to install a patio as part of your overall project, youll need to allow extra time.

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Install The Clear Corrugated Roof

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

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What Angle Slope Do I Need For A Shed Roof

The more slant you have on your shed roof, the higher your peak will be. Depending on how high you want your peak, is going to change what angle you need for your roof pitch. Most sheds in an urban setting are built at a 30-degree pitch because they are easier to make and still provide adequate rain runoff and extra space. It is usually easier to get higher pitches on your roof so that you are able to have more headroom.


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