It wouldn't be recommended. It would be better to cut away the plaster or drywall in the area of the tongue and groove install and put in horizontal framing members to which the tongue and groove can be nailed.
The advantages of using 1 2 tongue and groove plywood for flooring installation include a strong and stable base, easy installation due to the interlocking design, and reduced risk of squeaks and gaps in the floor.
Tongue and groove flooring plywood offers a strong and stable base for your floors, reducing the risk of warping or shifting over time. It also provides a seamless and smooth surface for installation, creating a polished and professional look in your home. Additionally, the interlocking design of tongue and groove plywood helps to prevent moisture penetration, making it a durable and long-lasting option for your renovation project.
The best plywood to use for an attic floor is typically 3/4 inch thick, tongue-and-groove plywood. This type of plywood is strong and durable, providing a sturdy surface for walking and storing items in the attic.
The best plywood to use for attic floor storage is typically 3/4 inch thick, tongue and groove plywood. This type of plywood is strong and durable, providing a stable surface for storing items in the attic.
The best plywood to use for subfloors is typically 3/4 inch thick, tongue-and-groove plywood with an Exposure 1 rating. This type of plywood is strong, durable, and resistant to moisture, making it ideal for supporting flooring materials.
how to water proof tongue and groove
The best plywood for subfloor installation is typically a high-quality, tongue-and-groove plywood with a thickness of at least 3/4 inch. This type of plywood provides a strong and stable base for flooring materials and helps prevent squeaks and unevenness in the floor.
Tongue and groove plywood flooring offers a strong and stable base for your home renovation project. It provides a seamless and secure fit, reducing the risk of gaps and squeaks. This type of flooring is easy to install and can withstand heavy foot traffic, making it a durable and long-lasting option for your home.
I would use 2 x 6 joists 16" on center and cover them with 3/4 tongue and groove plywood. You can then cover the plywood with wood flooring or carpet.
Thicker is better... 1 1/8" tongue and groove works well. There are many homes with 3/4" as well.
The woodworking form "tongue and groove" (also tongue-in-groove) connects separate strips of wood, such as flooring, by having a milled extruding projection or ridge (tongue) on one side, that perfectly matches and fits into a milled concave recessed slot (groove) along the side of the adjacent board.