Andrew Baker asked us the following question (see here for his original comment):
It's a 200-year-old listed mid-terrace cottage. The majority of room still have the original boards, which are in a serviceable condition (which is a great testament to the use of oak in itself). The room I am looking to work in has a few original boards but the majority of it is new ply or pine boards, all covered with carpet.
The existing boards are laid directly on joists. Joists have centres of around 400 to 500mm. All boards nailed to the joists. The underfloor void is about 300 to 400mm high above bare ground. This void is not currently ventilated with airbricks, and while this isn't causing too many problems it is something we are looking to rectify. We are also looking at ways to enable ventilation between the room and the underfloor void...... Read more