Suspended Timber Ground Floor Minimum Clearance

The minimum height of a floor is generally driven by the pile height.

Suspended timber ground floor minimum clearance. The minimum flooring height will be 150 mm. Ground moisture rising into or entering the subfloor space can create a damp environment which encourages timber rot fungus growth and the potential for termite activity. Nzs 3604 sets a minimum height above ground for wood based products used for flooring. When the flooring of a suspended timber framed floor is particleboard nzs 3604 2011 timber framed buildings specifies a minimum clearance of 550 mm between the underside of the particleboard and the ground paragraph 2 3 7.

Hollow floors also known as suspended or timber floors are simply timber joists suspended across and supported by load bearing walls under the floor. A dpc is required for all concrete piles and for timber pile tops within 300 mm of the ground. So in what situations may minimum pile heights apply. The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property.

Have the ground beneath the suspended floor graded in accordance with open link in same page 3 1 2 3. Ground floor hollow or timber floor. E2 as1 gives minimum heights of finished floor levels above ground for concrete slab floors and suspended timber floors the measurements depending on whether there is grass or paving outside. The tops of piles must be a minimum of 150 mm above ground.

So the minimum is 18 for floor joists and 12 for wood beams within the building foundation according to the internaitonal residential code. A protective coating is required to cut ends of timber.