Forums >> Revit Building >> Technical Support >> Where does it start and ends the slab?

chilenito

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I think I'm just chasing my tail, so please help me get out of this one.

I'm designing a 1 story house. It has carpet in rooms, but mostly tile around the house, with a crawl space floor, So I have the first floor 18" over grade.

I have created two floor types (for carpet & for tile) that  starts at the floor joists, adding subfloor and finish material.

Then I created several floors shapes in the house, based on the finish floor. This floor types are 7-3/8" thick, so It leaves 10-5/8" from the grade to the bottom of the floor type. I am planning to add the concrete foundation from 12" under the grade to the bottom of the floor type.

Based on the above (hopefully well explained), should I have just one floor type, and just change the finish floor later? (I'm thinking it works like the subregion tool), or I'm doing right? 

How would you, experts in Revit, create and show a crawl space? 

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Matias Santini

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WWHub

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Normally, carpet is never included in a floor thickness.  It is not included in dimensions and faming and doors come off the sub-florring.  If you need to show it for a rendering, the face of the sub-floor might be assigned the carpet as a finish. 

I think most of us have been placing a thin floor for tile on top of the structural floor but it does not host items.

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chilenito

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OK, got it. 

but the thickness for carpet is as thick as the  tile, because of the pad and the carpet itself. What would you say is the difference? after all, both elements are installed at the end of the project. The walls are attached to the subfloor, and the tile and carpet are installed around walls.

If I follow your suggestion, the floor for tile would be around 1/4" higher that the floor type for carpet. If I just have one floor type up-to the subfloor, and then just assign the required texture, it should be fine, right?

but how about the schedules?

How acurate would be the cost calculation?  is Revit that acurate or is it just for a reference?

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Matias Santini

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WWHub

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Carpet - paint - vinyl wall covering - are all scheduled finish items and usually not modeled.

Remember, Revit is not an estimating program!  And its quantity of materials has to be "improved" on for a realistic take-off.  You can't just take Revit's quantities and apply a cost to get an estimate.

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chilenito

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OK. That wasn't the answer I was looking for, but it makes things clear. Now I will work accordingly.

Thank you very much! 

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Matias Santini

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