Question? Just ask us!
Free Encyclopedia of Building & Environmental Inspection, Testing, Diagnosis, Repair
InspectAPedia ® Home
STRUCTURAL INSPECTIONS & DEFECTS
ARCHITECTURE & BUILDING COMPONENT ID
CHIMNEY INSPECTION DIAGNOSIS REPAIR
COLUMNS & POSTS, DEFECTS
CONNECTORS, FASTENERS, TIES
DECK & PORCH CONSTRUCTION
DEFINITIONS of MOBILE HOME, DOUBLEWIDE, MODULAR, PANELIZED CONSTRUCTION
DEFINITIONS of ENGINEERED WOOD OSB LVL etc
DISASTER BUILDING INSPECTION & REPAIR
EARTHQUAKE DAMAGED FOUNDATIONS
FIRE DAMAGE vs MOLD DAMAGE
FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP
FOOTING & FOUNDATION DRAINS
FOUNDATION CRACKS & DAMAGE GUIDE
FRAMING DAMAGE, INSPECTION, REPAIR
GRADING, DRAINAGE & SITE WORK
HOUSE PARTS, DEFINITIONS
INSECT INFESTATION / DAMAGE
KIT HOMES, Aladdin, Sears, Wards, Others
LOG HOME GUIDE
MOBILE HOMES, DOUBLEWIDES, TRAILERS
MODULAR HOME CONSTRUCTION
MOISTURE CONTROL in BUILDINGS
PORCH CONSTRUCTION & SCREENING
PRE-CUT & KIT HOMES
RETAINING WALL DESIGNS, TYPES, DAMAGE
ROT, FUNGUS, INSECT DAMAGE
SINKHOLES, WARNING SIGNS
STAIRS, RAILINGS, LANDINGS, RAMPS
STRAW BALE CONSTRUCTION
STRESS SKIN INSULATED PANELS
STRUCTURAL WOOD ASSESSMENT
TIMBER FRAMING, ROT
TRUSSES, FLOOR & ROOF
WATER ENTRY in BUILDINGS
WOOD STRUCTURE ASSESSMENT
How to lay out the deck:once the the ledger board installed against the building that board forms the home-base from which all other deck measurements are made.
With the ledger in place we now explain how to place the accurate location the deck piers, posts, and beams using string, batter boards, and a few other tricks of the trade. This article series describes construction steps in a design-build project for a deck or porch floor.
Green links show where you are. © Copyright 2015 InspectApedia.com, All Rights Reserved.
With the ledger installed (DECK LEDGER BOARD INSTALL) and the site prepared, you can begin to lay out your deck.
A layout involves establishing the edges of the proposed deck framing with string lines, then using the string lines to locate the planned foundation holes. The work is not physically challenging, but it is critically important. An accurate layout is much easier to accomplish if you have a helper.
[Click to enlarge any image]
What are BatterBoards & Why We Use Them?
Batter- boards are temporary attachment points for string lines. They are usually made with 1 x 4s or 2 x 4s, but you can use any scrap lumber available.
Each batter- board consists of a crosspiece mounted on two stakes, which are cut with pointed bottoms and can be driven into the ground. To make the string lines level, the top of the crosspiece must be level with the top of the ledger.If you are building on a flat site, you can usually use 3-foot-long stakes. On a sloping site, however, the stakes will have to be longer. For a basic rectangular deck, you will need two pairs of batterboards.
We can also use the 6-8-10 triangle shown at page top to be sure that we are projecting our deck sides straight out from the building.
Referencing a high deck - how do we mark the locations for a deck to be high off the ground?
If you are building an elevated deck, it would not be fruitful to attach string lines to the ledger itself. Instead, attach a plumb bob to each outside edge of the ledger and drop it to near ground level. Set up batterboards so that the front edges of the crosspieces are plumb with the front face of the ledger. (In some cases, you can attach the crosspieces directly to the house.)
To account for the end joists that will be attached to the ledger later, measure 1 1/2 inches outside the plumb bob on each side and make a mark. Drive a nail or screw at each mark to attach the layout string lines, which will represent the framed sides of the deck.
Position the batterboards a few feet beyond the edges of the planned deck, drive a screw or nail into the ends of the ledger, and tie a length of string to each screw or nail 1 1/2 inches from the ledger.
The other ends of the string lines will be tied to screws or nails driven into the tops of the crosspieces after the lines are positioned. String lines can be used to mark the perimeter of the deck framing on all sides, or the positions of all foundation holes or a combination of both.
The goal is to position the string lines so that they are perfectly square, then to determine hole locations on the ground using a plumb bob. After the holes have been dug and the footings and piers poured, string lines can also be used to check the alignment of the posts and to position the beam properly.
Use the same approach when you are building a deck that is not just a rectangle. If you are building a deck that wraps around a corner of the house, run a single corner string line out from one of the ledgers. This creates two rectangles, each of which can be checked for square.
If you want to create a deck with mitered corners, begin by establishing a standard rectangular layout. Then measure back from the outside string line an equal distance on both sides and run another string line. Even more complicated decks can be laid out in similar fashion. Try to break the deck down into a series of rectangles, each of which can be checked easily for square.
Continue reading at DECK LEVEL PLUMB SQUARE-UP or select a topic from the More Reading links shown below.
Suggested citation for this web page
Green link shows where you are in this article series.
Frequently Asked Questions (FAQs)
No FAQs have been posted for this page. Try the search box below or CONTACT US by email if you cannot find the answer you need at InspectApedia.
Use the "Click to Show or Hide FAQs" link just above to see recently-posted questions, comments, replies, try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly.
Search the InspectApedia website
HTML Comment Box is loading comments...
Technical Reviewers & References