https://youtu.be/s_PYzGG0m_0
How do you drill down a subfloor?
To make the job easier for you and the drill, we suggest that you pre-drill holes before screwing the subfloor down. Use a drill bit slightly smaller than the screw and keep the hole short of the length of the screw. In other words, if using a 2-inch screw, drill only a 1 1/2-inch-deep hole.
What is under a subfloor?
Underlayment
The underlayment material is installed below the floor covering and placed on top of a subfloor. Under the visible covering, there is a layer made of soft or foam-like materials with a thickness of between 1/4 – 1/2-inch.
How do you open a subfloor?
Quote from the video:
Quote from Youtube video: Level there's a lot of tools we could use to cut out this subfloor. In this case we're going to be using a circular. Saw. Before you start any demo be sure you're wearing your safety gear.
How thick is a subfloor?
Thicknesses for products used for subfloors are generally 23/32 inch (just under 3/4 inch), but thicker sheets are available where building codes call for them.
Is it OK to drill through floor joists?
You can safely drill joists for electrical and plumbing runs without weakening the joists, if you follow the rules. By the DIY experts of The Family Handyman Magazine. Where and how to drill joists for electrical cables or plumbing runs depends on what type of floor framing you have. Keep the hole at least 2 in.
Where do you screw in subfloor?
Quote from the video:
Quote from Youtube video: And in the panel grooves. Then fasteners should be placed 3/8 inch from the edge and spaced six inches apart along the panel edges and twelve inches apart along the intermediate supports.
Is subflooring always plywood?
Subflooring is not always plywood. It can also be made from OSB (oriented strand board) which is sometimes preferred for its consistency.
How do I find joists under subfloor?
Tap the floor with a hammer and listen for a “thud” sound. Begin at a corner and tap the subfloor. A hollow sound will indicate space, but a “thud” sound will indicate the presence of a floor joist. Once you locate the first two joists, measure the distance between them to determine how wide they are separated.
What is under plywood floor?
Plywood is only one type of underlayment. Other common types include cementboard or tile backer (used under ceramic or stone tile), foam underlayment (used under laminate and engineered wood “floating” floors), and rosin paper (used under solid hardwood flooring).
Do you nail or screw subfloor?
Ideally, nail down your subfloor using corrosion-resistant nails that will securely hold it in place and last a long time. Screws are a great alternative that you can easily remove, but they are not as sturdy. Screws are superior in terms of reducing floor squeaks, but the installation is slower.
What goes under wood flooring?
Simply put, underlayment is a layer of material between your subfloor and your floor. While some flooring comes with the underlayment attached, others will require you to install a separate underlayment. Most of the time, underlayment consists of rubber, cork, foam, or felt.
What goes on top of subfloor?
Underlayment: Some types of flooring can be installed directly on top of the subfloor, such as vinyl flooring. Other types need a middle layer, called underlayment, such as laminate,carpet and tile.
Does screwing into a joist weaken it?
When weight is applied to a joist, the top edge goes into compression while the bottom edge goes into tension. Improperly sized or placed holes and notches weaken the joist, make it bouncy and saggy, and provide an easy place for it to crack and fail.
Where should you not drill holes in joists?
Rules for boring/drilling holes
You can put holes in floor joists anywhere along the length of the joist, but you can’t put them any closer than 2″ from the top or bottom edge of a joist. The maximum size of a hole is 1/3 the depth of the floor joist.
Are floor joists structural?
Floor joists are horizontal structural members that span an open space, often between beams, which subsequently transfer the load to vertical structural members. These joists, part of the floor system, carry the weight of everything inside a room, including walls, furniture, appliances, and even people.
How much weight can floor joists hold?
That means the joists can support a minimum of 40 pounds per square foot live load. Though, by consulting the 50 pounds per square foot live load/10 pounds per square foot dead load table, you can see the joists’ span would need to be reduced to 11 feet 11 inches to support heavier weight safely.
Are floor joists load-bearing?
Floor joists are designed to be load-bearing. They act as the support for upper levels, often transferring weight to vertical supports within a foundation. With upper levels, floor joists support the walls.
Can you cut into a floor joist?
You can cut a notch at the end of the joist to 1/4 of the joist’s depth (maximum). Along the outer third of a joist, you can cut a notch a maximum of 1/6 the joist depth and 1/3 the joist length without compromising its strength.
What is code for drilling holes in floor joists?
IBC 2308.8.
Notches on the ends of joists shall not exceed one-fourth the joist depth. Holes bored in joists shall not be within 2 inches (51 mm) of the top or bottom of the joist, and the diameter of any such hole shall not exceed one-third the depth of the joist.
Can plumbing go through floor joists?
Quote from the video:
Quote from Youtube video: Area. For any floor joist whether they're going to be two by six or two by fourteen. And then you are not allowed to drill a maximum distance of more than. One third the width of the joist.
