Seeking Advice On Low Temp Roof Coatings & Applications.
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Old 09-11-2009, 06:49 PM   #11
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Re: Seeking Advice On Low Temp Roof Coatings & Applications.

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Originally Posted by Grumpy View Post
I currently use Adurel. It's expensive though. Why? Well compared to any other manufacturers specs I have seen thus far they require the most materias for the thickest dry mills. Some other manufacturers will offer the same guarantees using less materials at lesser dry mills.

I am currently speaking with conklin as well as ER systems and Lucas. Lucas is local to me which is a plus, but won't offer guarantees which is a negative to large commercial jobs.

I am putting together a comparison chart to determine what elastomerics are better than others and how to determine which are basically paint and what are truly going to keep the water out.

LOL I am paying abotu $140 for a 5 gal bucket of acrylic elastomeric but could go to Lowes or Home depot and get a 5 gal bucket for $60. The difference is the carriers used, the % of solids and the type of solids used. But don't compare how much a bucket costs, compare a compelted spec costs and I can tell you and I am finding conklin to be moderately priced.

Acrylics are good if you have good slope, but water will beat them up quick if there is any ponding. Solvent based (SEBS) and Urethanes are good for areas with ponding water.

Most systems are based on first washing, then patching, then applying a bonding resin or primer, perhaps then a mid coat and finally a reflective top coat. The applicationr ates and products used are based on current conditions.

Then there is the polyester reinforcement to consider. Does the roof need it? If so at the seams or the entire roof? If seams only will fabric be used or butyl tape?

www.adurel.com
www.ersystems.com
www.conklin.com

There are 400 manufacturers out there. I'm willing to bet alot of them are the same just some private labeled. So as I said I am off to compare. I intend to compare base ingredients, system specs, price some hypothetical jobs, and choose what's right for my customers and the future of my company.

Conklin is expensive. Try Neogards Direct Bond fluid appied roofing systems. High solids low solvent based urethane with systems specifications for 5, 10 and 15 year system warranty's (commercial property warranty) Standard 10 year spec is for 38mils (DFT) or 3 gallons per square. Neogard has the only single component base urethane in the market which can be applied in 1 coat at 32 mils wet and cures out at 24 mils dry. I speak from 4 years of experience and over 500,000sf installed to date just in "09". I have another 250,000sf which may need to be done in 2010. Currently finishing a 33,000sf restoration over pvc, 110,000sf restoration over EPDM and 35,000sf over BUR/gravel roof.

Any questions ---send me an email and I will provide additional information and job pics.

Thanks,

Jim

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Old 09-11-2009, 06:53 PM   #12
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Re: Seeking Advice On Low Temp Roof Coatings & Applications.

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Originally Posted by OUTLAW View Post
The guys from Conklin have been calling me. Seems like somewhat of a pyramid scheme.

I like Hydrostop. Great product with good tech support.
Conklin is a pyramid scheme and expensive for paint sold as a coating

Jim
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Old 09-30-2009, 03:38 AM   #13
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Re: Seeking Advice On Low Temp Roof Coatings & Applications.

I only use polyurea for fluid applied waterproofing... its the only thing that is an actual seamless membrane, IMHO.
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Old 11-04-2009, 08:43 AM   #14
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Re: Seeking Advice On Low Temp Roof Coatings & Applications.

I have had good luck with Sealoflex... It has Miami Dade and FPL approval, makes things easier for me....
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Old 11-16-2009, 11:17 PM   #15
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Re: Seeking Advice On Low Temp Roof Coatings & Applications.

thank's a lot for the advise...it really helps a lot.
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Old 11-27-2009, 12:43 PM   #16
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Re: Seeking Advice On Low Temp Roof Coatings & Applications.

Why not just fix the problems with the metal roof? I live in louisiana on the coast we get torrential rain for days at a time we have a lot of metal roofs unless its rotten i look for the mistakes made in the installation.No seam tape on laps or cheap screws,poor flashings installations,vents not installed correctly,more often then not its the seams or screws water can also blow up under the capping to. So we reseal all the seams,new screws and a wider cap for about 35 to 40 % of a new roof we make a good profit and know the roof isnt going to give us any trouble
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Old 12-16-2009, 09:12 AM   #17
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Re: Seeking Advice On Low Temp Roof Coatings & Applications.

ED offered the definitive, but if I could add my 2 cents...

Urethanes (IMHO) are the best bet, but be sure to verify with the manufacturer the applicability of the product for the conditions. Urethanes will generally take a LOOONG time to set up in cold. They probably have an accelerator if the weather demands. Urethanes are expensive, but you get what you pay for. I've used Neogard and VFI, and I'm quite pleased with both companies.

Acrylics are generally inferior physically. Metal roofs move, and acrylics lack the ability to handle the flex at seams. Acrylics can't take ponding, either.

I've worked extensively with polyurea hybrid systems. I've put down some darn nice roofs, but you need the equipment; the entire operation and rig is technical and sensitive. Not for the weekend warriors.

I've not installed an entire SEBS system, though I've used the SEBS mastic (Karnak) and have no complaints.

Silicones are not a good option, as you can only go back with more silicone.

The key to a successful coating job is DETAIL!

Good Luck!
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