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17th May 2006, 08:29 AM #1
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Sealing slab without vapour barrier
Hi all,
I am thinking about converting a carport situated at one end of the house in to a storage and utility room. The carport slab, I am pretty sure, lacks a vapour barrier. Is it possible to use a product like silasec to waterproof it or should I look at putting another slab or topping coat over it.
TIA,
Peter
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17th May 2006, 10:35 AM #2
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I think you mean a moisture barrier/waterproof membrane (plastic sheeting). Why don't you have a dig alongside the edge and under the slab to determine if plastic sheeting was laid.
In reality for the use you have stated I wouldn't worry about it.
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17th May 2006, 06:49 PM #3
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Get hold of some of this stuff.
http://www.techdry.com.au/rising_damp/rising.htm
When it has been applied and dried, it is waterproof.
Al
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17th May 2006, 07:43 PM #4
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Now that's what I'm after.
Originally Posted by ozwinner
Get hold of some of this stuff.
http://www.techdry.com.au/rising_damp/rising.htm
When it has been applied and dried, it is waterproof.
Al
Cheers,
Peter
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19th May 2006, 10:42 AM #5
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He is correct in using the term "Vapour Barrier" as specified in AS 2870 "Residential Slabs and Footings". The plastic sheeting is NOT intended to be a waterproof membrane (unless you live in areas such as SA where damp proof membranes are sometimes used) Originally Posted by rod1949
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