Suspended Timber Ground Floor Minimum Clearance

Hollow floors also known as suspended or timber floors are simply timber joists suspended across and supported by load bearing walls under the floor.

Suspended timber ground floor minimum clearance.

5 1 17 ground floor slab and concrete. Have the ground beneath the suspended floor graded in accordance with open link in same page 3 1 2 3. 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. Where a suspended floor is constructed with particleboard flooring product suppliers specify a minimum clearance between the underside of the particleboard and the ground.

5 2 suspended ground floors. 5 2 2 provision of information. The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property. Minimum ground clearance height mm.

So in what situations may minimum pile heights apply. This clearance must be increased to 200 mm where access space for termite inspection is required. 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. Timber joists should normally have a minimum bearing.

20 damp proofing concrete floors. 5 1 18 laying the ground bearing floor slab. Nzs 3604 sets a minimum height above ground for wood based products used for flooring. Ground floor hollow or timber floor.

5 1 22 installation of insulation. 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. However paragraph 6 4 1 1 in nzs 3604 2011 allows a minimum pile height above finished ground level of 150 mm.