Should We Upgrade Floor Joists In New Construction

Measure the width and length of the existing joist.

Should we upgrade floor joists in new construction.

Should you use i joists for your new home. I joists have major advantages in high volume construction with standard layouts. Follow the rules to keep your floor solid. We will try to answer some of these questions below.

The notching and boring rules of thumb for solid lumber are shown in fig. True floor joist span calculations can only be made by a structural engineer or contractor. Holes and notches as applicable are then cut in the new joist and the utility lines are threaded through and reconnected. Tongue and groove edges on many premium floor panels such as weyerhaeuser s edge gold osb panels are designed to self gap.

They hold up the weight of a building absorb impacts on the floor and create structural support so that the floor will be stable and secure. Since the example house we are designing for is 12 feet wide we need to find in the floor joist span table a joist size and centering that can span 12 or wider. Most new construction uses 2 by 8 lumber for joists although 2 by 6. When you re building new construction you re tasked with making a lot of decisions.

Two types of engineered joists are most frequently used in floor systems today. Joists are installed at a very early stage in the building process and in older. Purchase the type of lumber that matches the width of the existing joist. You can notch and bore joists without sacrificing critical strength but you must follow the rules.

The base price of your home is the cost of the structure plus all the standard finishes. The good news is we have used all of the options discussed and can give you some insight as to which might fit your new home. The floor joist spacing is the distance between the centers of any two installed joists. If your home is more than 20 years old your floor joists are most likely solid wood 2x8s 2x10s or 2x12s.

What are the alternatives to i joists. If you re planning to customize and if you re building a new home you probably are then you have to also factor in the cost of upgrades. Floor joists are an important part of the supportive structure of a floor. If the floor frame has blocking between the joists new blocking is cut and installed on both sides of the sistered joists.

The sister joist is anchored to the old joist with construction adhesive and nails. This is because they are. See the image below for an example of joists spaced 16 on center 16 o c. Open web trusses with wood webbing held together with metal plates.

What are the advantages and disadvantages to using them to support your new floors.