Suspended Ground Floor Ventilation

Timber used for suspended ground floors should be treated or naturally durable in accordance with chapter 3 3 timber preservation natural solid timber and the ground below the floor covered with.

Suspended ground floor ventilation. Masonry supporting suspended ground floors should have been damp proofed using dpm dpc or tanking in accordance with the guidance given in the following chapters. Ventilation in suspended timber floors can be achieved by installing vents. This prevents condensation removes stagnant air and is vital in areas where radon or methane gas may pose a problem. 5 3 2 provision of information.

Separating walls or other obstructions. Unlike standard ground floor construction suspended floors are not sitting directly on the ground. If a building uses a suspended ground floor it is important to provide underfloor ventilation into the void. This allows air flow and ventilation to prevent the mould and dry rot that would otherwise occur over damp ground.

5 2 10 damp proofing and ventilation. Ventilation in floors especially suspended timber floors is very important so as not to facilitate the build up of moisture within the floor structure. Where underfloor voids adjoin ground bearing floors ventilation ducts should be installed. This chapter gives guidance on meeting the technical requirements for suspended ground floors including those constructed from.

5 3 drainage below ground. Supports underneath the floor are permanent and include sleeper walls or timber props placed at regular intervals. Pay particular attention to junctions between floor and external walls.