Key Questions to Ask When Ordering aluminium butyl tape
What Is Butyl Tape? Everything You Need To Know
When you need adhesive tape for construction repairs, you want something practical and reliable, and you dont need to look any further than butyl tape.
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So what is butyl tape, and what are its uses? Read on to find out everything you need to know about this versatile material.
What is Butyl Tape?
Adhesives are either natural or synthetic and come in three different types: acrylic-based, silicone-based and rubber-based. Butyl tape is a synthetic rubber adhesive manufactured to upgrade natural rubber adhesives. Compared with its natural counterpart, butyl tape is less sensitive to varying temperatures and maintains its stickiness at lower temperatures than traditional rubber adhesives.
Butyl tapes are highly flexible, durable and waterproof, creating an airtight seal on whatever surface you use them on. These many valuable properties, plus its versatility, make butyl rubber tape a popular adhesive option.
Surface Compatibility
Butyl rubber is a heavy-duty adhesive that instantly adheres quickly and easily to most surfaces, even those like outside decks where moisture is a factor. Butyl tape is compatible with these surfaces:
Glass
Rubber roofing
Metal Roofing
Galvanised Metal
Wood
Aluminium
Plastic
Butyl tape is easy to install and can withstand extreme weather conditions from heavy rainfall to summer heat, meaning you can use it seamlessly in and outside the house for an effective seal on any of the above surfaces.
Uses of Butyl Tape
Homeowners and industry professionals often view butyl tape as an all in one solution because of its multifunctionality. Follow on for a closer look at some of the primary uses of butyl tape.
Window Sealing
Butyl seal tape is much easier to work with than the traditional sealants used for windows, so many people prefer to use it. It is incredibly supple and easy to bend and manipulate to the shape of the surface youre using it on, making it ideal for installation on oddly-shaped windows and window frames.
Small Household Repairs
Butyl tape is perfect for areas in the home where leaks and corrosion occur because it is waterproof and highly adhesive. Use butyl tapes for roofing repairs, leaking pipes, ventilation systems, etc.
Cars
Sometimes, cars cause problems at the least opportune times, so keeping a roll of butyl tape in your car for those unexpected issues can come in handy. You can use butyl tape for quick emergency car repairs like filling gaps on a firewall or fixing a sunroof.
Motor Homes
Similar to its use in cars, butyl tape can also be a saviour in a motor home! While butyl tape is generally slightly more expensive than the usual putty tape used for RVs, the extra few dollars spent is worthwhile for a tape that doesnt dry out as fast, is much easier to work with and isnt as messy. Butyl tape is excellent for sealing motor home skylights.
Boats
Butyl tape really is an all-rounder tape! It is perfect for use in the marine industry because of its strength, waterproof seal and compatibility with boat surfaces. Use butyl tape for boat hatches, portlights, and deck fittings.
How to Apply Butyl Tape
As with any adhesive, there are actions to ensure your project is adequately covered and protected. To properly install butyl tape, follow these simple steps.
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- Preparation
. Around 2-3 hours before starting your project, put your butyl tape in the fridge. This tip is more a handy trick than a critical step, but chilled butyl tape is easier to work with and much more manageable.
- Clean.
The surface youre applying your adhesive to should be spick and span, so ensure its completely free from dust and dirt prior to application. Once the surface is clean, make sure its dry before sticking down your butyl tape.
- Peel
. Carefully peel away a little of the backing from the butyl tape, then apply the first part to your surface. As you peel more backing away, stick the tape down, taking care not to touch the adhesive side not only could this tape stick to your skin, oils from your hands can damage it.
- Press
. Eliminate gaps and air bubbles by running your fingers over the butyl tape, pressing it down and around all of the surfaces bumps and curves to ensure every bit of the tape is stuck down.
- Layer
. Repeat the actions above as many times as you see fit to layer the butyl tape. This step is another optional one, but it helps reinforce your project with extra strength, stability and water resistance.
- Trim
. Once youre happy with the application, cut the butyl tape down to size with scissors. It would be best if you also trimmed any excess putty that has oozed out from the tape.
- Cure
. The longer you leave the tape to dry and cure before exposing it to harsh conditions, the better. Overnight is ideal, but 3-4 hours will suffice if you dont have a full day.
Pros and Cons of Butyl Tape
There are benefits and disadvantages to using butyl tape, as with any materials and tools. Lets start with the pros:
It securely adheres to the vast majority of surfaces and materials
Butyl tape is less temperature-sensitive than natural rubber
It can withstand extreme weather
It doesnt dry out like other adhesives
Butyl is usually cheaper than silicone or acrylic alternatives
It provides an airtight and watertight seal
Butyl tape is versatile it has many application uses
Not even an all-rounder like butyl tape is perfect! Read on for some points to consider before buying and using this tape.
Butyl tape is better than natural rubber but is occasionally affected by extreme temperatures
Strong solvents like gasoline and turpentine can dissolve butyl tape because its solvent-based
Its challenging to stick butyl tape to rough, uneven surfaces
Tips and Tricks
Now that we know everything there is to know about butyl tape, read through these last couple of points to help you purchase and apply this diverse adhesive tape.
Buy Self-Adhesive Butyl Tape
If youre wondering which tape should you buy, consider self-adhesive butyl tape. Its much easier to install, meaning no fiddly application and less chance of getting yourself stuck.
Thickness
The thickness of the tape you buy is an important consideration. Too thin, and your tape wont be as durable, but too thick, and itll be difficult to install.
Butyl Tape Wrapped Up
If youre looking for tape covering all bases, butyl tape is excellent. Among its many uses, you can use butyl tape alongside Wakaflex to bond roofing and building materials together, and it is the perfect material for several home renovation projects. Its multifunctionality, affordability and reliability make it a firm favourite in the industry and having a roll laying around the house can prove really handy!
Butyl tape lesson needed
Sealing Windows
The theory I have followed is that you need a thickness of butyl to accommodate the differential expansion and contraction between the glass and the frame. When you keep tightening until nothing more squeezes out, you have points where both are in contact and nothing to accommodate any differential temperature movement or flex in structure in rough weather and eventually that will leak.
I just used some o ring cord from an o ring supplier that you use to make o rings in field, about 2-3 mm dia from memory but you could easily just get some larger o rings of a suitable diameter cord such as used in deck plates or water inlet filters and chop them into short pieces maybe 5 mm long. From memory we spaced them about every 200 - 250 mm near but not at fasteners orientated along tape direction. I think the idea came from a utube from NZ on fitting boat windows, not sure.
I think the groove in stanchion bases etc does same thing where you need a face to face contact to carry load and a thickness of butyl to seal and accommodate movement between the faces.
I do not think relying on a chamfer around the fasteners will get you there with windows. The fasteners would be OK but the space between the fasteners where some of it has negligible thickness of butyl will probably leak.
Just another way to approach it but retains the main thing I like about butyl in that it stays soft and accommodates differential movement.
Keeping water out longer term is a challenge in my experience and there isn't any one foolproof 100% answer.
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