Suspended Timber Ground Floor Minimum Clearance

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.

Suspended timber ground floor minimum clearance.

Ground floor hollow or timber floor. 5 1 22 installation of insulation. Nzs 3604 sets a minimum height above ground for wood based products used for flooring. 5 2 suspended ground floors.

Generally this is given as 550 mm minimum but it may be specified as a minimum dimension of 450 mm between the ground and the bottom of the joist which will give at least. 5 1 18 laying the ground bearing floor slab. The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property. Hollow floors also known as suspended or timber floors are simply timber joists suspended across and supported by load bearing walls under the floor.

It is necessary to allow adequate ventilation and ensure durability of the timber bearer. Timber joists should normally have a minimum bearing. Where a suspended floor is constructed with particleboard flooring product suppliers specify a minimum clearance between the underside of the particleboard and the ground. Have the ground beneath the suspended floor graded in accordance with open link in same page 3 1 2 3.

Minimum ground clearance height mm. To do this a minimum ground clearance from underside of bearer to finished ground level of 150 mm should be maintained. However paragraph 6 4 1 1 in nzs 3604 2011 allows a minimum pile height above finished ground level of 150 mm. So in what situations may minimum pile heights apply.

20 damp proofing concrete floors. 5 2 2 provision of information. 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.