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| We're getting ready to paint the exterior of our house. Part of the house is existing Hardy Plank and part is new Hardy Plank. Does the old plank need to be prepped other than pressure washing?
What's the best way to caulk seams in the plank? What's the best paint? I've read SW Duration, BM Aura or Lowe's Valpar? |
Follow-Up Postings:
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- Posted by lottamoxie (My Page) on Thu, May 21, 09 at 14:48
| I've heard Duration paint is the best, hands-down. It's more expensive, but I've had 2 different paint experts tell me about that particular brand and it's the only one they use on exterior jobs now. I'm about to get the masonite siding taken off my house and replaced with preprimed Hardiplank and I specified the paint to be used has to be Duration. I'm trying to pick my color now. As for caulking, I don't know anything about technique, but as for a product I've been told that Sherwin Williams "Sher-max" is the one to use as it is an elastomer caulk that will last and last. Good luck! |
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| We used Ace Brand semi opaque stain and it worked wonderfully. It's an oil based stain, but it lasts forever. |
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- Posted by brushworks (My Page) on Wed, May 27, 09 at 10:53
| 1. Hardy Plank cannot be stained. 2. James Hardie does not recommend the use of caulk at field butt joints. 3. For Caulking. For best results use an Elastomeric Joint Sealant complying with ASTM C920 Grade NS, Class 25 or 4. DO NOT use stain on James Hardie® products. 5. DO NOT use stain or oil/alkyd base paints on James Hardie® products |
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- Posted by lottamoxie (My Page) on Wed, May 27, 09 at 15:33
| Excellent info, Brushworks. Thanks! |
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- Posted by kntryhuman (My Page) on Wed, May 27, 09 at 15:49
| Thank you very much for the information. We decided to use Duration from Sherwin Williams. I didn't realize there was a time limit on getting it painted. We're putting the siding up ourselves and it's taking forever. I'm glad I didn't start using the wood filler I bought for the joints. I'll have to get the Elastomeric Joint Sealant |
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- Posted by overmyhead08 (My Page) on Wed, May 27, 09 at 23:22
| Brushworks, you wrote: "2. James Hardie does not recommend the use of caulk at field butt joints." I had read this in the instructions while my HardiePlank was being installed and was not sure what it meant. Please explain. If caulking field butt joints is not recommended, then are the gaps between the joints supposed to be left gaping? I know my installer filled the seams with caulk/sealant. |
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| When I watched the installation video (which is online) they recommended using a felt paper flashing behind each joint of the siding. Basically it's just a rectangular square of felt paper that you nail under the joint so that any water that might get between the joints will run out on the flashing paper. You might want to check out the installation video. |
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| SW Duration. I painted my house with it last year. I used the satin finish. Has a bit of a sheen of course but I like the way the rain runs off it. It's great paint. I went from gray to tan in one coat pretty much. I am sure I would have had to use 2 coats with cheaper stuff, even their cheaper stuff, well worth the extra cost. The stuff is thick but goes on really nice. Don't use to thick of nap on roller, it gets too heavy and wastes a lot of paint. I think I used 1/2". |
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