Interior Transparent Weather Sealing Tape for Windows and Doors, Moisture Resistant Tape, 1.5 in. x 10 yd. Roll

Brilliant for sash windows that are not double glazed, seals draughts perfectly, is easy to use, and can be stripped off without fuss after winter use. Takes some time to get to England from America but I haven't found a European source yet. Well worth the money.

Long last,recommended

Much like a super thick and wide sticky tape. I've used this to seal some of our wood frame sash windows and its definitely cut down on the drafts. Looks perfectly clear when smoothed on so doesn't overly show,

Used on a couple of windows that had really bad drafts, cured the problem!

Arrived today and my first thought it’s just two rolls of expensive wide cello tape so I was somewhat disappointed, that said I have not used it yet. Today I update this review 4/4/22 This tape works very well but it is still very expensive for what it is.

Used around my patio doors for the winter and worked a treat keeping out all the drafts, even through all that bad weather we have had. Have taken it off now for the summer but will be buying more again for the winter. Excellent product.

Good weather sealing tape.

Big enough for 1 to 2 windows but not easy to fit straight! When taking off, they pull off paint from varnished wood. That being said this product does keep the draft out and is cheaper than getting new windows or repairs carried out. Less draft means my heating is on less too :)

Sella perfectamente ventanas por donde puede entrar corriente de aire, siempre y cuando no se ponga la cinta en donde se abren

The tape did its job

Most people buy this tape for one reason: drafty windows and doors. That’s what it’s marketed for. Seal the edges, stop cold air from creeping in during winter, save a little on heating bills. It works great for that. But the reason I bought it was slightly different. I wanted to stop heat from escaping around my air vents. ⸻ The Problem: Heat Escaping Around the Vent In a lot of houses, the HVAC vents aren’t perfectly sealed to the wall or ceiling. There are tiny gaps around the edges where the vent meets the drywall. When the heat kicks on, warm air doesn’t just come through the vent — some of it leaks out around the sides. It’s subtle, but you can actually feel it if you put your hand near the edges. Instead of all that heat being pushed into the room, some of it disappears into the wall cavity. Not ideal. ⸻ Why This Tape Works Perfectly This 3M tape is basically designed for situations like that. It’s: • Crystal clear • Flexible • Strong enough to seal gaps • Removable without destroying paint Because it’s transparent, you barely notice it once it’s applied. It doesn’t look like some ugly DIY fix. I ran it along the perimeter where the vent meets the wall, and it sealed the tiny gaps instantly. Now the air actually comes through the vent like it’s supposed to. ⸻ Installation: Simple and Clean Application is easy. 1. Clean the surface around the vent 2. Apply the tape along the edge where the metal vent meets the wall or ceiling 3. Press it down firmly so it seals the seam That’s it. Since the tape is clear and thin, it blends in almost invisibly. Unless someone is actively looking for it, you wouldn’t notice it. ⸻ Performance: Exactly What It’s Meant to Do Once applied, it does exactly what you want insulation tape to do: • Stops small air leaks • Prevents drafts • Keeps heated or cooled air moving where it should It’s also moisture resistant, which is important if you’re using it near bathrooms, kitchens, or areas with humidity. ⸻ Bonus: Still Works for Windows and Doors Even though I mainly use it on vents, it still works great for its intended use. If you have: • drafty window frames • door gaps in winter • small cracks where cold air enters this tape seals them quickly without permanent installation. ⸻ Pros • Crystal clear and nearly invisible • Strong seal for small air leaks • Works on vents, windows, and doors • Easy to apply and remove • Made by 3M (reliable adhesive quality) Cons • Not meant for large gaps • Needs a clean surface to stick properly • Single roll may not cover multiple large windows ⸻ Final Thoughts: A Simple Trick That Actually Helps Everyone knows you can use weather sealing tape for windows. But sealing HVAC vent edges with it is one of those small improvements that makes your heating system work more efficiently. Instead of losing warm air into the wall, it all goes into the room where you actually want it. Sometimes the best solutions are just using a product a little differently than intended.

Buen producto

Worked perfectly to seal up the draft coming through my fireplace cover.