First, renail the existing plywood subfloor, so that the old nails are tight, and add new nails to achieve a maximum nail spacing of 6 inches.
Laying engineered wood flooring on joists. All of that said, if you do. Introducing plywood or chipboard will remove any doubts you may have about the spacing of your joists and will avoid the need for noggins or braces. The perpendicular rim joists—the ones that cap the ends of the joists—can either be installed as the floor joists go in or be added after the joists are in place.
This means that without it, you can expect more pressure to be put on the planks. This will make the floors structurally sound and will help prevent the planks from separating, sagging or buckling. Laid on joists at 400mm centres as a structural floor.
The general rule of thumb is that joints should be no more than 45cm apart if you’re expecting them to support an engineered wood floor. Start off by measuring the panel to be placed as a layer. Their role is to hold the ends of.
This is a huge step forward. This is the maximum recommended. Leave at least 4cm between all the piles to ensure that the air can circulate around.
Hardwood flooring must be installed perpendicular to the floor joists or on a diagonal for any single layer subfloor. Where floor joists are spaced 16 inches. The international residential code (irc) determines the size of your floor joists.
Irc covers the maximum span length of wood joists, from 2×6 to 2×12 or greater. If you are installing hardwood over a wooden subfloor, one of the most important factors is the floor joists. To run parallel to the joists, you’ll need to add a 1/2” plywood.