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.

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46 comments:

  1. Sachin RaoJune 12, 2013 at 5:02 AM

    Thank you for sharing your information… i am looking for best flat roof insulation systems....

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  2. Jason KnightJuly 15, 2013 at 7:25 PM

    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?

    ReplyDelete
  3. Jak MansonNovember 26, 2013 at 9:58 AM

    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. Isha RanaNovember 29, 2013 at 10:14 PM

    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. Avery SchlacterDecember 3, 2013 at 8:16 AM

    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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    There is obviously a lot to know about this. I think you made some good points in the Features also.

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  7. John HowardDecember 17, 2013 at 1:57 PM

    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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    Ultimate information updated on this blog. Thanks for sharing it with us.
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    Great blog! I really love the way you share on your knowledge about this field the idea you share is more useful for me.
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    It's really appreciable message for everybody thanks for sharing this information.
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  12. Cynthia RhoseJuly 2, 2014 at 7:59 AM

    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. Sampson GreenovichOctober 16, 2014 at 10:00 AM

    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. Jamal OwensDecember 17, 2014 at 11:22 AM

    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. bryan flakeJanuary 22, 2015 at 5:53 AM

    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. Casey JonesMarch 4, 2015 at 7:52 PM

    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. Jeff NillApril 3, 2015 at 3:31 AM

    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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  20. Thompsons RoofingJanuary 21, 2016 at 12:58 AM

    Interesting and valuable Post.

    Informative information is here..It is helpful for everyone.
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  22. Oklahoma RoofingFebruary 19, 2016 at 4:50 AM

    Hi,
    Thanks for sharing. I love your post.This post is very informative and give so many tips and information regarding commercial roofing.

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  23. Cesar LakeApril 4, 2016 at 4:43 AM

    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. UnknownJune 21, 2016 at 4:55 AM

    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. UnknownJune 21, 2016 at 4:55 AM

    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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    . I hope you'll keep going like this
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  27. Thomas WilliamDecember 31, 2016 at 12:59 AM

    Great blog. this blog is really impressive. I really like it.

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  29. UnknownApril 14, 2017 at 12:33 PM

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

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    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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    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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