Can I secret-nail fix my solid wood flooring to suspended wood based sub-floors (i.e. floorboards, ply or chipboards) ?

Sub-floor voids below suspended timber floors at ground level must be well ventilated. When installing flooring at ground floor level or below, always employ a moisture vapour membrane such as Sisal Kraft Moist Stop building paper below the flooring. This is designed to protect flooring from potential future high humidity in the sub-floor void, in the event that sub-floor ventilation becomes impaired. Joins in the moisture vapour membrane must be overlapped by 150mm and taped with a waterproof tape. Secret-nail fixing direct to Chipboard can result in squeaking and for that reason is best overlaid with a dry WBP ply which is securely screw fixed to the chipboards.