Distinguished by its ability to accommodate minor vibration and movement, Flex-Grip 550 stays flexible to save call-back labor. It outperforms other sealants in dry, damp, wet, and underwater conditions, making it ideal for both indoor and outdoor projects. You could use an outdoor rated caulk on the outside. Adiseal is a high performance waterproof sealant to stop water from pouring into or soaking into materials.
+1 Yes silicone will stick well and is durable, they even make 'paintable' silicone caulk now. Then a good silicone caulk would work well.
HARDCAST® Flex-Grip™ 550 Indoor/Outdoor Water Based Duct Sealant, Pail, 1 gal, 10.7 lb/gal Net Weight, Synthetic Latex Base, Composition: De-Foaming Agent, Nonylphenol Polyethylene Glycol Ether, Polymer, Ethyl Acrylate, Methacrylic Acid, Acrylic Polymer, Ethanolamine, Polycarboxylate Salt, Ethylene Glycol, Fuller's Earth, Silica, CrystalLine Limestone, Thick Paste, 320 Linear-ft/gal Coverage, 48 hr Drying, Gray, Slight Ammonia, -20 to 200 deg F, 49 g/L VOC, >300 kcps Viscosity Ratingįlex-Grip 550 is an all purpose, fiber-free, duct sealant for use on all types of metal duct, glass fiber duct board, and flex duct, as well as duct fabric and flexible tubing runouts. First I would make sure that the pipe is sloping to the out doors so that it will drain. HARDCAST® Flex-Grip™ 550 304132 Indoor/Outdoor Water Based Duct Sealant, 1 gal Pail Container, Thick Paste, Gray Zxfuture Pack of 8 White Seal Putty Waterproof Duct Seal Repair Sealing Clay, Quick Mending Mud for Drain Connection, Wall Hole, Air Conditioning Hole. A smooth solvent-based indoor/outdoor air duct sealant for sealing fabricated joints and other types of air ducts.
DUCT SEAL PUTTY FOR EXTERIOR USE CODE
That compromise probably just makes it more expensive or less robust in some way. ® FST Foam Duct Sealant meets and exceeds the NEC code requirements for sealing conduits. I think it is the same stuff except that it used odorless solvent for use around food. Somewhat annoyingly, it is probably found in the electrical section. This material helps seal and protect gaps, holes and conduit openings against dust, moisture, drafts and noise.Ī similar material is sold by refrigeration supply houses called sealing gum for one thing. I do not have experience with vinyl siding, but for wood, I used expanding foam (the type that does not absorb water) and exterior caulk. is a dough-like material that is easy to handle. It is not cheap, but when you compare it to a whole can of sealing foam it is not bad since the can can't be sealed up and used again later. slug Seals irregular openings from air, dust or water Non-hardening. Paradoxically, it is called duct seal, but electricians and plumbers probably use it more than HVAC people. To seal openings from air, dust or water around an EMT or rigid conduit raceway. It can be found in big box stores, but I have found that the staff does not know about it.
DUCT SEAL PUTTY FOR EXTERIOR USE PATCH
The attached photo shows the duct, with what I think is duct-seal type product on the seams, and a giant patch of Henry on. It really looks like every possible leaking point was patched with whatever is on there (likely duct-seal) and it's obviously not working. slug Seals irregular openings from air, dust. It seems like it's made more for outdoor use, given that duct-seal is water-based. To seal openings from air, dust or water around an EMT or rigid conduit raceway. Application, Seals Around Junction Boxes, Flashings and Service Entrances. Gardner Bender makes a version as do some other companies. IBERVILLE Electrical Duct Seal Putty - 1 lb. To seal openings from air, dust or water around an EMT or rigid conduit raceway. This dark putty grey duct seal compound, Dimensions-W-3 in.
It might be what was used on your house, Greg. Maybe it only lasts a year or to outside, but it would easily be re-done. of the type of cable scenario in the cable ducts as it uses strong. I'd try stuff variably called duct seal or slug even though it says not for use outdoors. THORNE & DERRICK International Duct Seals & Sealing Suppliers UK & Exports LV.
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