Pergola meaning, types, design and construction

7,750 views 21 slides Jul 19, 2017
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About This Presentation

How to build a pergola within 7 days


Slide Content

PERGOLAS BUILDING CONSTRUCTION BY :--- ARUN SAINI

INTRODUCTION The origin of the word is the Late Latin pergula , referring to a projecting eave. A pergola is a garden feature forming a shaded walkway, passageway, or sitting area of vertical posts or pillars that usually support cross-beams and a sturdy open lattice, often upon which woody vines are trained. a structure usually consisting of parallel colonnades supporting an open roof of girders and cross rafters

CONSTRUCTION DETAILS O F PERGOLA

DETAILS

TYPES OF PERGOLAS 1. STEEL PERGOLAS As with steel roofing materials, steel used in the construction of the pergola frame itself needs to be protected from rust and corrosion. This can be done with a 100% zinc coating (known as galvanised steel) or it can be coated in a zinc-aluminium combination commercially known as Zincalume or Galvalume. The steel can be powder coated with a paint and then baked, both for added visual appeal and to provide a much wider range of colours to choose from.   Steel poles won’t deteriorate with time or water exposure like timber does, and it can also provide a lot more strength Using steel also greatly reduces the risk of your home catching alight should it be exposed to a bushfire . Steel is also more weather proof than wood,

PITCHED PERGOLAS A pitched pergola’s roof is attached to the house, a tall nearby wall or another standing structure and slopes downward towards the other end of the pergola creating a single slope. This can be a little confusing - generally the term 'pitched', when it's used to describe a roof, means that it's been built so that it slopes. OPEN TOP PERGOLAS Open top pergolas help to define a space without completely enclosing it An open top pergola is a pergola in the traditional sense of the word; the dictionary defines a pergola as an open-roof structure designed to support vines and trellises. These types of pergolas lend a distinct Mediterranean feel to a backyard, and have been in use for centuries. The open roof structure gives the space the frame of being an indoor room, but one which is still completely open to the elements.

GABLED PERGOLAS A gable is the triangular space at the end of a roof consisting of two sloping roof halves. On a house, these are typically load bearing structures but as pergolas are generally much lighter and don’t have load bearing walls to support, the gable is largely decorative. On more sizable pergolas gabled roofs can be designed in such a way as to be structurally useful, and then given a little extra garnish for appearances They offer a little additional protection from the sun should it happen to shine down from an angle not fully covered by the roof. A gable can also act as a cross beam from which to suspend shade cloth, or some other sort of screening material and can even be trellised to train vines along. Closed gables add to the feeling that a pergola is 'enclosed', and increase the sense that the pergola is an indoor room outdoors.

Differents types of pergolas materials Wood Along with adding to your home’s overall property value, pergolas made from wooden materials offer a natural yet elegant look for your backyard .. Many wooden pergolas come in kits equipped with pre-cut or pre-drilled pieces that eliminate the common hassles of installing other wooden structures; this means you can spend less effort on labor and more time enjoying your backyard. From sheltering your garden to shading your patio, a wooden pergola is a functional accent piece that’s as attractive as it is useful.

http://www.finehomebuilding.com/2006/05/01/build-a-craftsman-style-pergola

Steel Steel pergolas are some of the sturdiest ones on the market. If you want to add more shade to your backyard, you’re in luck. It’s incredibly easy to attach sheets and curtains to steel-framed pergolas, and their resilient structure helps to ensure any linen materials you put up stay in place. Steel pergolas are also a great option for sheltering gardens, and you can even use the beams to have vines wrap around the structure, creating a more earthy, natural appeal. Hanging plants from the rafters of a steel-framed pergola is also an easy and attractive way to create some shade on your deck or patio.

Components 1 Wall Bracket 2 Purlin/Batten 3. 120mm Rafter 4 120mm Fascia Beam 5.120mm End Cap 6.Connection Sleeve 7.Connection Bracket 8.Pergola Profiled Beam End 9.Profiled Beam End Cap 10.Post Cap 11.Post Bracket 12.Column 13..Footing Plate https://www.stratco.com.au/home/products/home-improvement-product-template/?product=85&

Aluminum If you’re concerned about cost-effectiveness, going with an aluminum-based pergola is a more financially-friendly option. From a material standpoint, aluminum pergolas require very little maintenance as they won’t rot and their nonporous surface is built to withstand weathering. Aluminum pergolas are also designed for a pain-free installation process, which caters to first-time pergola owners or those who tend to shy away from DIY projects. Even if you plan on installing them on your own, aluminum beams and frames are extremely lightweight, compared to other material options. Perfect for patios directly linked to your house, aluminum pergolas are especially recommended for anyone looking for an attached pergola structure.

Installing the Posts The posts are composed of pressure-treated 4 x 4 cores that are sheathed with 1 x cedar. We secured the post cores to a concrete pad with steel post-base anchors. If you're not building on a pad, use longer posts and set them in the earth below the frost line. Lay out the post positions and mark the screw locations. We used 1/4-in. Tapcon screws that thread into 3/16-in. holes bored with a hammer drill Hold each post plumb and drive nails through the anchors into the wood. If necessary, brace the posts so they stay plumb. http://www.popularmechanics.com/home/how-to-plans/how-to/a760/how-to-build-a-pergola-plans/?zoomable> How to Build a Pergola

Attaching the Support Beams Cut the four 2 x 6 cedar support beams to length, use a template to mark the curved notches at the ends and cut the notches with a jigsaw. Clamp the beams in place, and check that they're level and that the posts are plumb. Then secure each end with four 3-in. No. 10 screws. When adding the second of each pair of beams, check that they're level across the top edges

Adding the Crossbeams The 2 x 6 crossbeams are notched to fit over the support beams. Cut the notches with a dado blade in the table saw, or lay out each notch and use a jigsaw to remove the waste.   Then, make the curved end cuts. Install the crossbeam pairs at the posts first. When they're in place, bore screwholes down through their top edges and screw crossbeams to the support beams. Then add the three remaining pairs with similar spacing.

Post Trim and Braces Cut the post trimpieces to length and width. Note that you'll need to notch some of the pieces to fit between the support beams, or you can make filler blocks to cover the post cores at these areas. Instead of trying for perfectly flush corners, we dimensioned the trim to leave a 1/8-in. shadow line, or reveal. Secure the trimpieces to the posts with construction adhesive and galvanized finishing nails. Use 2 x 6 stock for the diagonal braces. Cut the ends to length at 45 degrees, and use a flexible stick to lay out the shallow curve on the lower edge of each brace. Fasten the braces to the posts and beams with screws. http://www.popularmechanics.com/home/how-to-plans/how-to/a760/how-to-build-a-pergola-plans/?zoomable>

Fitting the Top Slats Cut the five 2 x 4 slats to length and shape the ends. Clamp each slat in place and mark the crossbeam notch positions. If you use a table saw and dado blade to make the cuts, be sure to support the long stock at the opposite end. Then, bore pilot holes and attach the slats with 3-in. No. 10 screws. http://www.popularmechanics.com/home/how-to-plans/how-to/a760/how-to-build-a-pergola-plans/?zoomable>

Capping the Posts To make the post caps, cut square blanks and then set the table saw blade to 15 degrees for shaping the bevels. Use a longer board with a stop across the end as a sled to guide each blank through the blade. Clamp the blanks to the sled when making the cuts. Secure the caps with 6d galvanized finishing nails and construction adhesive. http://www.popularmechanics.com/home/how-to-plans/how-to/a760/how-to-build-a-pergola-plans/?zoomable>

THANK YOU Have a good day ..
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