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Installing patios, walks, and decks

Installing patios, walks, and decks. Ms. Gripshover Landscaping Unit 18. Our objectives . Describe the types of materials used in paving Explain how to select patio materials Describe how to install a walkway or patio Discuss proper deck installation procedures. Our Vocabulary.

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Installing patios, walks, and decks

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  1. Installing patios, walks, and decks Ms. Gripshover Landscaping Unit 18

  2. Our objectives • Describe the types of materials used in paving • Explain how to select patio materials • Describe how to install a walkway or patio • Discuss proper deck installation procedures

  3. Our Vocabulary • Cubic yard • Curing • Decks • Exposed aggregate • Forms • Hard pacing • Patio • Paving • Screed • Soft paving

  4. What materials are used in paving? • Paving is simply covering the soil and is done to: • Prevent erosion • Prevent soil compaction • Improve walking conditions • Choosing paving material depends on cost, availability, and suitability and can be hard paving or soft paving • Main paths should be at least 3’, side paths at least 2’

  5. PAVING CHOICES HARD PAVING SOFT PAVING • Pros- • Durable • Good for children • Can be temporary until a permanent solution is used • Cons- • More maintenance • Pros- • Durability • Strength • Low maintenance • Cons- • Exspensive • Installation (usually a pro) • Environmental conditions like… • Examples… • ? • ? • ?

  6. WHAT MATERIALS SHOULD BE USED IN CONSTRUCTING A PATIO? • Patios are an extension of the home • Can also be made from hard or soft paving (most chose hard paving) • Factors that may affect choice are price, use, shape of patio, durability, and the grade of the site

  7. PATIO MATERIALS HARD PAVING SOFT PAVING • Grass • Mulch • Concrete- • Durable • Easy to upkeep • Not very attractive (can be tinted) • Site preparation • Installation • Gravel is inexpensive • Wood • Inexpensive • Easy to construct • Looks good • Regular maintenance • Brick or flagstone on a concrete base are pricey but durable and very attractive

  8. How can a walkway or patio be properly installed? • Often a landscaper will contract out the job because of its laborious installation process • Concrete walks are popular because they can be in any shape and aren’t as difficult to install • Concrete- is cement (like a glue), gravel, and sand

  9. STEPS TO INSTALLING A WALKWAY/ PATIO • 1ST- remove turf and excavate to a depth of 6” and lay a 2” of crushed gravel/ rock dust • 2nd- forms are installed (wooden boards or plastic molds) to hold concrete in place until it dries. The boards are held in place with steel bars • 3rd- order concrete • To order concrete you must determine how many cubic yards (cy) are needed • In order to determine cy, you take the width X depth X length/ 27 • Concrete has a tendency to crack and is sometimes reinforced with steel mesh or polypropylene fibers • The concrete can be leveled using a screed • Next, a bull float is used to push aggregates down into the cement and smooth it out • 4th- let the concrete cure (harden) • The slower it hardens the stronger it is • Often covered with plastic to slow down the process

  10. STEPS TO INSTALLING A WALKWAY/ PATIO using pavers (cont.) • 1ST- remove turf and excavate to a depth of 6” and lay a 2” of crushed gravel/ rock dust • Sometime landscape fabric is also laid to reduce frost heaving • 2nd- edge restraints are used to prevent the pavers/ bricks from shifting • 3rd- a 2” inch layer of sand is laid and leveled • 4th- pavers are laid starting in the corner • Keep a slope of 2 degrees away from the building • A masonry saw or brick chisel is used for cutting • 5th- fill joints with course sand

  11. Video- http://www.youtube.com/watch?feature=player_detailpage&v=jzqGh18EpCE

  12. How is a deck installed? • Decks are similar to patios but they are raised above ground level and are made of wood • They are very flexible in arrangement and can be on hills, multi level, etc. • Wood can be expensive but often people often buy pre treated wood which helps prevent rot • 1st- choose wood • 2nd- remove turf, put support post in place • Typically 4” X 4” X or 6” X 6” in deep holes at least 48” and then filled with concrete • 3rd- beams are put up to connect the support posts together and to hold the deck joist in place, connected using lag bolts and usually 16” apart • 4th- put deck boards over the joists with nails or screws • Space 1/8” or ¼” apart to allow for weather changes and to allow for drainage • 5th- post need to be installed for a railing and they are usually 36” tall • Balusters can be added between the top and bottom rails every 6”

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