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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

258Questions
caret
Q:Does this work on metal roofs
by|Apr 5, 2024
1 Answer
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A:  John, yes Henry 885 TropiCool 100% Silicone Wet Patch Repair Sealant is perfect for metal roofs. Henry 885 is tough and forms an incredible bond to the surface that stays flexible, is resistant to weathering, won't harden, crack, craze or chalk. The best benefit though is that Henry 885 has a lifetime warranty.

by|Apr 6, 2024
    caret
    Q:I have a building around 4000 ft.² i have a lot of leaks on the roof type TPO flat roof can I use 885 tropi-cool wet patch with 296 tape reinforced to repair after that using 887 tropi cool as top coating. Plese advise
    by|Apr 5, 2024
    1 Answer
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    A:  Nidham, Henry 887 and 885 products are made to be used on aged TPO roofs. In most cases you don't need to use the 296 Fabric with the 885 patching sealant although it won't hurt if you decide to use it. As in all roof coating applications it is a good idea to do several small adhesion tests on a cleaned area just to make sure that you are getting the adhesion you need before proceeding with the entire job.

    by|Apr 5, 2024
      caret
      Q:Can 885 be used over dicor lap is sealant on RV roof ?
      by|Mar 23, 2024
      1 Answer
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      A:  Danny, since we have not tested Henry 885's use over Dicor Lap Sealant you would have to test it to see how well it adheres. If the Dicor has weathered for 3 months or more you shouldn't have a problem but you should perform several adhesion tests before proceeding.

      by|Mar 23, 2024
        caret
        Q:Does this work on rubber roof? And on rolled roof?
        by|Mar 16, 2024
        1 Answer
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        A:  Stella, Henry 885 TropiCool Wet Patch Roof Sealant will adhere to an aged rubber roof and on roll roofing. Just make sure the area to be patched is clean.

        by|Mar 25, 2024
          1 found this answer helpful
          caret
          Q:I am going to repair a 25 year old roof on a 3 season room. The roof panels have a 3" wide metal seam every 3'. Should I use mesh with the sealant on the seams prior to top coating with Tropi cool white sealant?
          by|Mar 9, 2024
          1 Answer
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          A:  John, if the seam is open ¼” or more use the HE296 polyester fabric with the HE885 before coating with the HE887.

          by|Mar 11, 2024
            caret
            Q:How to apply
            by|Feb 17, 2024
            1 Answer
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            A:  DWick, Henry 885 is ready to use right out of the can and requires no mixing. Repair all cracks, splits, tears and holes by applying 1/8" to 1/4" thick with a brush, trowel or putty knife. Work the sealant into the crack or seam and spread 2" to 4" inches beyond, feathering the edges.

            by|Feb 17, 2024
              caret
              Q:I'm planning to use 885 between/on the edge of the capsheet and edge flashing to build up the roof so water can flow over. There is surface rust along with more rust on some areas of the flashing, can I use 885 directly onto the flashing with rust?
              by|Feb 16, 2024
              1 Answer
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              A:  RTJR, you will need to remove the rust from the metal by wire brushing it. Dust, dirt and rust can interfere with a good bond to the surface.

              by|Feb 16, 2024
                caret
                Q:What is the difference between 884 and 885 besides 884 packaged in a tube? Can they be used simultaneously? I'm planning to use 884 at the edge of the rolled cap sheet and the flashing to build up the flat roof, can I use 885 over 884 while wet?
                by|Feb 5, 2024
                1 Answer
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                A:  RTJR, Henry 885 and 884 differ slightly in their chemical make up mainly in the silicone dioxide content and tensile strength. The tensile strength of Henry 885 is 120 psi vs Henry 884 at 180 psi. You should let the Henry 884 cure for at least 24 to 48 hours before coating over it. You should note that both 885 and 884 are roof repair products and normally are used in conjunction with Henry 887 TropiCool 100% Silicone roof coating.

                by|Feb 5, 2024

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