Friday, June 7, 2013

Scarifying Spray Polyurethane Foam Roofs

We recently finished a roofing job in Texas that called for scarifying, refoaming and coating an existing structure. Sometimes older, spray foam roofs that haven't been properly maintained are in need of scarification. Scarifying is the process of cutting or planning off the upper surface of the SPF. It exposes the sound SPF to be used as a base for a new layer of SPF and coatings, restoring the roof to a warrantable condition with long-term sustainability. This eliminates the need for costly tear-off and dumping in landfills.

Proper scarifying extends down a minimum of ½ in. to sound, dry dimensionally stable on-ratio SPF. Care is then taken to assure that the coatings in the low areas are removed during scarification and that scarification is extended below suspected problem areas such as UV degradated SPF.
We clean the area and then re-foam.

A restored SPF roof can last 30-40 years with proper maintenance.

39 comments:

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  2. That is interesting, I have been researching different methods of roofing recently, and I was wondering, do they do commercial roofing in Vancouver the same as they do state side?

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  3. When you are in search of a place that does commercial roofing in Jacksonville, fl, what is it that you should look for and what should you expect out of it? I am wanting to find this out and get things done and taken care of.

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  4. Well this is very interesting indeed.Would love to read a little more of this. Great post. Thanks for the heads-up. This blog was very informative and knowledgeable

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  5. Thanks for the blog. I've been looking around for roofing in Calgary and this gave me some pretty good information.

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  7. Thanks for the information. I've been looking for company that does commercial roofing in Jacksonville, FL. I think it would be pretty interesting to find out more information about this.

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  12. I have never heard of this type of spray for a roof before. If it is well insulated I say why not? I am all for moving toward what is the most effective.
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  14. I have always thought of scarification as equivalent to removing the shingles from a wooden roof. I personally don't like working on foam roofs. They always cause me more trouble than traditional roof structures. My favorite roof to work on is definitely a wooden roof plated with tiles. These roofs are especially fun to work on in a heavy rain.
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  15. It's awesome that they are coming up with ways to improve our roofs and make them last longer. When it comes to having a roof it's worth going all out to make sure that it's taken care of. I didn't know about this until I read the article but I plan on looking into it more.

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  16. I have never heard of the idea to spray foam the roof. Well, honestly, I have never replaced a roof before either. Is this spray foaming something that only works with certain roof types? I just have the standard gravel shingles and hope that his spray foaming could benefit me.

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  18. I haven't heard of foam roofs before. It sounds like a good idea to me though. I bet those roofs would be more insulated and quieter during storms. Why isn't it done more often?
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  19. Thanks for the advice. I agree that commercial roofing is an important thing. I need to get my roof fixed. I will contact a commercial roofing company to help me out. Long Island Remodeling

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  22. Hi,
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  23. If people are in the process of constructing a new building, or planning the replacement of an outdated roof on an existing building, there are many types of commercial roofing to consider like Thermoplastic Roofing, EPDM Roofing, Green Roofs and Photovoltaic Solar Panels. Thanks!!!

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  24. I am sorry but if you think a restored SPUF roof will last 30-40 years you are either completely naive to commercial roofing or delusional.

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  25. I am sorry but if you think a restored SPUF roof will last 30-40 years you are either completely naive to commercial roofing or delusional.

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  28. what is the cost to Scarify a Foam Roof per sq ft?

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  29. Congratulations for a good job done! I am sure it must have not been easy and you had to use all your experience, skill and expertise to execute this task perfectly.
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  30. Good post! You have to be very careful about roof, If roofing structure is covered with Liquid Rubber Roofing light simply, It cannot be leak.

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