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Results 1 to 4 of 4
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18th November 2007, 03:10 PM #1
painting prep for concrete block house
Hello everyone
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I'd love some advice on how much and what preparation I need to do prior to undercoat/sealing the exterior of my house which is built from concrete blocks. The house has been standing unsealed/unpainted 12 years and would certianly look much nicer painted and probably last better..
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18th November 2007, 10:25 PM #2
After twelve years you'll probably need to clean the walls with sani-chlor and a pressure cleaner. Then make up a cement/silasec slurry as per instructions and paint on with broom, this will waterproof the blockwork and fill the texture a lot. You can then follow with a blockfiller paint and then the rest of your paint system.
Mick"If you need a machine today and don't buy it,
tomorrow you will have paid for it and not have it."
- Henry Ford 1938
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18th November 2007, 11:02 PM #3
Senior Member
- Join Date
- Jun 2007
- Location
- Adelaide
- Posts
- 274
sealing a besser block wall
I also have a long standing issue with a weather facing besser block wall that absorbs the rain and is wet inside for most of the year. We tried having a contractor seal the wall from the outside with a silicon sealer I think it was but it has shown no noticeable improvement. Wall is 6 m high by 55m long. We have lived with it for donkeys years as is industrial warehouse. Any suggestions of what will do the job.
Juan
"If the enemy is in range, so are you."
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27th November 2007, 01:19 PM #4
As stated on another thread I have been using Duralex Paints lately and have just painted the exterior of my planked house with their Sun Master. They also have a block and render filler which you would use first. Check their website
www.duralexpaints.com.au
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