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Questions and Answers for Henry 885 Tropi-Cool Wet Patch White 100% Silicone Roof Leak Repair Sealant 0.90 gal.

Internet #206030020

Model #HE885142

Store SKU #1001374972

  • STOPS LEAKS INSTANTLY - On wet or dry surfaces
  • VERSATILE - Works underwater and in driving rain
  • APPLICATION – Temperature 35°F to 120°F

Questions & Answers

262Questions
caret
Q:I need to walk on my flat roof to clean solar panels about 6 times a year?.I am planning to use 885 for patching vents/seams, followed by coating with 887. Is there any problem with doing my 2 hour cleanings and walking on the 887 sealed roof?
by|Oct 1, 2023
1 Answer
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A:  Desert, as long as you use soft soled shoes when doing your regular maintenance you should be fine walking on Henry 887 TropiCool.

by|Oct 2, 2023
    caret
    Q:Did this product replace the tropi-cool seam and repair 885 #HE885042?
    by|Sep 30, 2023
    1 Answer
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    A:  1stTimeroofer, yes Henry 885 TropiCool 100% Silicone Wet Patch is the same product but now can be used in wet conditions too.

    by|Apr 28, 2024
      2 found this answer helpful
      caret
      Q:Can you use it on a rubber roof to stop leaks
      by|Sep 30, 2023
      1 Answer
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      A:  Joey, Henry 885 should work just fine on an aged rubber roof to stop or repair roof leaks. Henry 885 is a moisture cure product and does not contain solvents so it won't harm the rubber roof.

      by|Sep 30, 2023
        caret
        Q:I have a rubberized aluminum coating on my flat roof and am getting leaking in areas with ponding water. After sealing the leaks I'd like to apply another layer of roof coating. Will 885 (or any silicone alternatives) adhere to the rubberized aluminum?
        by|Sep 30, 2023
        1 Answer
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        A:  Rachel, if the rubberized aluminum is Henry 869 Rubberized Aluminum then you can use Henry 208R or Henry 209XR to seal the leaks. Henry 885 100% silicone will not be compatible with a solvent based product like Henry 869.

        by|Sep 30, 2023
          caret
          Q:can I use this product to correct the slope on small ponding areas on my roof?
          by|Sep 24, 2023
          1 Answer
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          A:  Jason, you can do that but it will take a fairly long time to cure if you apply it too thick. You could put successive coats on and let it cure for a few days in between. However, Henry 887 TropiCool 100% Silicone white roof coating is waterproof and permanently ponding water resistant so it will not break down if water sits on it longer than 48 hours like acrylic coatings do. You could just coat the ponding areas with Henry 887.

          by|Feb 5, 2024
            1 found this answer helpful
            caret
            Q:Can this be applied over a shingle roof with a couple of leaks in different spots?
            by|Sep 21, 2023
            1 Answer
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            A:  Geary, some people have applied Henry 887 TropiCool 100% silicone to shingles but we do not recommend it and we will not warranty it for that purpose. For leaks you should use a leak stopper such as Henry 208R, 209XR or our clear patch - Henry 212 Crystal Clear Patch. Henry 887 TropiCool is a roof coating that is meant for use on flat or very low slope roofs.

            by|Sep 21, 2023
              caret
              Q:1. Can this be applied over a tar roof? 2. How do you recommend to clean a roof to prep for this?
              by|Sep 12, 2023
              1 Answer
              Answer This Question

              A:  DIYit, a roof that has a tar coating presents adhesion problems for most products. Henry 885 TropiCool 100% Silicone Wet Patch would probably not stick to the surface. If you are patching leaks or potential leaks you can use Henry 208R or Henry 209XR instead of the silicone.

              by|Sep 12, 2023
                caret
                Q:Once 885 is applied and cured, will I be able to walk on it? I am coating a low slope portion of my roof, which is also how I typically gain access to the roof. Thanks.
                by|Sep 1, 2023
                1 Answer
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                A:  Ryan, although Henry 885 is not meant for regular foot traffic you can walk on it to do regular maintenance on your roof. Just be very careful and don't walk on it if it is wet.

                by|Apr 15, 2024
                  1 found this answer helpful
                  caret
                  Q:Can 885 be applied with a brush? How long do I have to wait after putting down 885 to go over it with 887?
                  by|Aug 27, 2023
                  2 Answers
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                  A:  Absolutely not. Contrary to the video on the product detail page, this product has the consistency of cookie dough and is trowel application only.

                  by|Oct 1, 2023

                    A:  Mike, you can use a brush or a trowel to apply Henry 885 which makes it a very easy patching product to apply. You can typically coat over the 885 with Henry 887 in about 24 hours depending on the humidity. The higher humidity the faster the Henry 885 will cure since it cures by pulling water molecules out of the air.

                    by|Nov 11, 2023
                      caret
                      Q:I applied 887 to RV roof but it wasn't quite enough. What is needed to apply 2nd coat and finish the transition from the newly coated area to the uncoated area?
                      by|Aug 18, 2023
                      1 Answer
                      Answer This Question

                      A:  David, all you need to do here is make sure that the surface is still clean. If it has been more than 24 hours since the first coat you will need to wash the roof again with water. Once the roof is dry you can just start applying Henry 887 where you left off and then apply the second coat.

                      by|Aug 19, 2023

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