Building A Raised Floor Over Concrete Slab

Place a sheet of plywood perpendicular to the floor joists.

Building a raised floor over concrete slab.

Materials include a minimum of 3 4 inch cd exposure 1 plywood subfloor panels 4 foot by 8 foot sheets. Measure the overall length of the new floor and cut a length of 2 by 4 pressure treated lumber to this dimension. How to build a raised floor over concrete slab 1. Sills and sleepers on a concrete or masonry slab that is in direct contact with the ground unless separated from such slab by an impervious moisture barrier.

Define the area of the concrete slab to be covered with the floor assembly and the direction you plan to run the. The access floor solution consists of the panels fixed directly on pedestals thus creating voids between the substrate concrete slab and the floor. The ends of wood girders entering exterior masonry or concrete walls having clearances of less than 1 2 inch 12 7 mm on tops sides and ends. Install r 9 fiberglass insulation between the floor joists with the paper backing facing upward.

Start at one end and one corner of the floor. Butt the end of another sheet at the. Determine the floor height though we have stated the height ranges of each floor type you will need to narrow down. How to install floor joists over concrete slab step 1.

Insulation and sheathing 1. Understand where you re applying it your first step is to understand where you will be applying raised access. Cut plywood panels by 2 foot by 8 foot or 4 foot by 4 foot sections.