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To determine post height, you need to add two measurements together. First, take the distance from the bottom of the ledger to the control line and subtract the beam height (see images below). Write this first measurement down and use it as the top portion of every post.
How do you cut deck posts to the same height?
To make the job go quickly, do everything in stages—square all the deck posts, set them in the anchors with a temporary brace. Next, plumb, align, and brace all of them, letting their height run wild before marking and cutting them to a consistent height.
How do you cut down a deck post?
That might leave you wondering how to cut a deck post. The best way to cut a 4×4 post is by using a 12-inch miter saw, 10-inch radial arm saw, both of which can cut completely through a post in one pass, or a standard circular saw that can make precise cuts in two passes with the help of a simple jig.
How do you adjust the height of a beam on a deck?
Rule of Thumb. Allow for about 1 inch of slope for every 5 feet of deck projection. So over 10 feet, slope your deck about 1.5 to 2 inches.
How do I make sure deck posts are in line?
Use String Hammer sharpened marker sticks into the ground on the line of the intended deck post run. Tie string between them to act as a physical indicator of where each post should go. Don’t rely solely on the string as it may move with a breeze. Always confirm post positions with a tape measure and spirit level.
How can I make my post the same height?
Dig a hole at each corner of the area to be fenced by using a post-hole digger or shovel. Make each hole’s width three times the diameter of a fence post, and make each hole’s depth one-third of the post’s height. The bottom one-third of each post will be buried in the ground to provide support.
Should deck posts be in the ground?
Pressure-treated posts should always be ground contact use for deck lumber. Having the most up-to-date instructions and proper treated lumber are important to ensure correct installation.
Should you notch a 4×4 post?
Say “No” to notching pressure-treated deck posts. We want you to build an outdoor railing system that you, your family and guests can enjoy without worrying about safety issues. In order to do so, you need to know this building shortcut is not advisable, and we recommend avoiding it at all costs.
How is post height measured?
1. Measure down from the bottom of the ledger to the control line and subtract the height of the beam. 2. Place the end of the tape on the post base and measure up to the laser line to get the second measurement.
What is the standard height of a deck post?
The deck guardrail height should be a minimum of 36 inches, as measured from the surface of the deck to the top of the rail. Some local municipalities have their own code requirements about guardrail height, so check with the building department to ensure it does not require a higher railing than 36 inches.
Should deck posts be 4×4 or 6×6?
Deck posts must be a minimum of 4×4 according to the IRC but many jurisdictions require a 6×6 post as a standard. To avoid code violations, many deck builders choose the 6×6 even if the 4×4 is acceptable.
What is the code for deck posts?
The posts should be a minimum 4×4 size and be solidly anchored to the deck joist and rim joist of the structure. Use two through-bolts and a metal tension tie for the upper bolt connection. If a deck’s guard-posts anchoring does not have a minimum allowable tension load of 1,800 lbs.
Can deck posts sit on concrete?
A deck post should always be placed on top of footing, not inside concrete because it can break. When concrete is poured around a deck post in this way, the post will rot due to moisture buildup by the soil.
How do you set a post on uneven ground?
Racking Fence You will stagger the posts down the slope, so measure out how far apart they need to be a part, which is usually between 6 to 8 feet. Dig the hole for your post, about one-third of the post or 2 feet deep. Pour in your gravel, about 6 inches, at the bottom of the hole. Insert your post. Pour the concrete.
How do you level posts in the ground?
Step-By-Step Instructions: Dig the post hole, making it three times the width of the post and at a depth equal to 1/3 to 1⁄2 of the above-ground length of the post, plus 6″ (right). Pour 6″ of gravel or crushed stone into the bottom of the hole. Set the post in the hole.
