Regardless if installing a 3 wide engineered hardwood or a 5 wide engineered hardwood plank you are not using any more fasteners despite the increased width.
Installing 7 inch engineered hardwood flooring.
When stapling nailing down you only have the fastener holding the edge of the board down.
Typical fasteners used for engineered flooring are narrow crowned under 3 8 1 1 1 2 staples or 1 1 1 4 hardwood flooring cleats spaced every 3 4 with staples every 4 6 with cleats and within 1 2 of end joints.
It s critical to unpack and acclimate the engineered hardwood flooring under monitored conditions.
Handling the engineered hardwood.
Engineered wood flooring was once regarded as a pale imitation of solid hardwood but improvements in the product quality have eliminated this perception.
If a wood subfloor is in place measure the moisture content percentage mc of the wood subfloor and the engineered wood flooring to confirm all the engineered hardwood is acclimated and suitable for installation.
When installing engineered wood planks or strips by nailing or stapling it is necessary to use the proper type of flooring stapler or nailer made for the thickness of the engineered wood flooring that is being installed.