Joist possibly ? A joist is the boards under the floor and above the ceiling that span the room or building. What the floor or ceiling is attached to.
The maximum allowable span for a 2x6 floor joist is typically around 9 feet when used in residential construction.
The different types of floor joist supports used in construction include beams, girders, columns, and walls. These supports help distribute the weight of the floor and provide stability to the structure.
Treated lumber should be used in outdoor construction. There are different types of treated lumber, some are for above ground use and some are for below grade use.
No,if the joist is merely butted.The joists must sit on a bearer type of situation or have joist-hanger connectors.
Galvanized or stainless steel screws should be used for treated lumber to prevent corrosion and ensure a secure hold.
See this link.
No, pressure treated lumber should not be used indoors for construction projects due to the chemicals used in the treatment process, which can be harmful if exposed to indoors.
unless you got a great deal on them, it would never make $$$ sense to use a microlam in lieu of a TJI joist or dimensional lumber. . .microlam is too costly if you have them on hand, I would call the manufacturer. . .they should be able to give you the numbers or send you a book with the span charts
Treated lumber should be used in construction projects when there is a risk of exposure to moisture, insects, or decay, to help prevent damage and increase the longevity of the structure.
Yes, treated lumber can be used indoors for construction projects, but it is important to ensure that the treatment used is safe for indoor use and does not release harmful chemicals into the air. It is recommended to check with the manufacturer or a building professional to determine the appropriate type of treated lumber for indoor applications.
Treated lumber is primarily treated to resist decay, insects, and fungal growth, which extends its lifespan when used in outdoor environments or areas prone to moisture. The treatment process typically involves the infusion of preservatives, such as copper-based compounds, that protect the wood from rot and pests. This makes treated lumber ideal for applications like decks, fences, and landscaping. It’s important to note that treated lumber may require special handling and precautions during installation and disposal due to the chemicals used.