They allow for more air circulation and easier maintenance and repair.
Sub floor clearance victoria.
Good morning folks i am just wondering if there is a standard minimum clearance that should be allowed between the ground soil and the subfloor i am not sure the correct terminology of sub floor assuming it is the bottom of the beams under the house.
The relevant open link in same page performance requirements determined in accordance with open.
Larger crawl spaces tend to remain drier.
The minimum clearance required for a sub floor is 400 mm from the ground to the underside of the flooring or 150mm to the underside of the bearer.
However where the surface is rough or has other imperfections in it an underlay or underlayment is placed in between the subfloor and the covering.
Rachael and ashley merrijig victoria job.
Not only is the flooring system a solid alternative to a slab on ground it works economically supporting anything from a lowset granny flat or kit home up to a highset pole house.
In addition sub floors will remain drier if the following precautions are observed.
Head room a minimum clearance under beams of 300mm and under floor joists of 400mm.
It sits on top of the subfloor and can be made from.
Ventilation and clearance are provided hyspan may be safely used for sub floor applications without the likelihood of decay.
A complete floor system.
Where an alternative subfloor ventilation system is proposed as a open link in same page performance solution to that described in open link in same page part 3 4 1 that proposal must comply with.
Appropriate open link in same page performance requirements.
This standard is called termite management and it sets out a range of good building practices for avoiding termite attack and maintaining adequate subfloor ventilation.
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The sub floor system can be used in either a weatherboard construction or a brick veneer construction type of house.
Underlay is used to provide a smooth even surface for the floor covering to lay on.
We have since decided to go with stumps and have been told will need 600mm clearance from floor level due to being in a termite zone.
Design engineering and building of custom designed steel frame home.
Hyspan is not suitable for weather exposed applications unless suitably.
In some cases the surface of the subfloor is suitable for a floor covering to be placed directly on top.
Australian standard 3660 specifies the minimum clearance requirements between the ground and the underside of a subfloor.
If so in the bca for victoria from memory i thing the lowest point cannot be lower than 400 mm but i need to check.
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The boxspan steel flooring system for elevated sub floors is one of our core products and where we started as a specialist in floor systems.
I can recommend alex and his team highly and without reservation.
