Best Lubricant for Vinyl Windows – No More Squeaky and Hard to Open Windows

by James Antony | Last Updated: 1st June 2020

Vinyl Windows will look good on almost any home, but like everything inside your home, your windows will need to be maintained. When not maintained properly, vinyl windows can be squeaky, hard to open and close, and dangerous.

In properly maintaining a window, you only need some cloth, tools (if your specific window needs tools to be removed), some type of pry tool (if window is jammed shut), and you’ll lastly need the best lubricant for your vinyl windows. And today we’re going to take a look at the best lubricant for vinyl windows you can get right now.

Understanding the parts of a vinyl window

To better understand how to clean and maintain your windows, you need to know the basic parts to clean on any window. Knowing each part of your window has also helps in deciding which lubricant to buy.

Frame – This is the part of the window attached to the wall itself.
Sash – Moveable part of the window that also holds the glass panes
Glass – Made of double pane glass, commonly has Argon gas inside
Rail – Also known as tracks, this is where the sash slides, also needing the most lubrication

Those are mainly the most basic parts you need to know about when maintaining your windows. Once you identified your window parts, you need to clean everything that is either moving, or making things move, like the edges of the sash and the rail. And after cleaning you need to spray the rail with silicone lubrication to prevent jamming.

So which lubrication should you use?

WD-40 Company Specialist Silicone SprayBest Silicone Lubricant

WD-40 Company Specialist Silicone Spray - Best lubricant for vinyl windows Review

WD-40 Company Specialist Silicone Spray


Everyone knows and loves the classic WD-40. But the classic WD-40 formulation is not recommended with lubricating rubber, and plastics, the WD-40 Specialist Silicone Spray is perfect for this job as it provides lubrication and smoothens out the little bumps and crevices on the tracks and sash that causes windows to jam.

The Specialist Silicone Spray is a part of the WD-40 Specialist line of products which tackles specific applications for specific professionals. The Silicone spray formula dries up into a clear, stain-resistant, and waterproof protective film that does all the protection needed on your windows and other home products like doors and hinges.

Besides vinyl the WD-40 Silicone Spray is also applicable for metal, plastic, and rubber making it an all-around high quality, waterproof silicone spray. Like most WD-40 products, the Smart Straw spray offers 2 ways of ejecting fluid, one is the precision stream using the straw, and the fan-shaped spray covering more surface area at one go.

One benefit of this formulation is the quick-drying feature that makes sure you don’t make a messy job. And out of the WD-40 Specialist line of products, the WD-40 Specialist Silicone Spray is one of the most famous product within those products, it made many satisfied customers and solved many problems, and thus effective for this job.

With the convenience and effectiveness of this product, this is one of the best lubricants for vinyl windows.
  • Non-sticky formulation
  • Quick-drying
  • Dries as a clear waterproof film
  • Instant effectiveness
  • Rust protection
  • Very affordable considering the quality it offers
  • The Spray nozzle is prone to malfunction

DuPont Teflon Silicone Lubricant

DuPont Teflon Silicone Lubricant - Best lubricant for vinyl windows Review

DuPont Teflon Silicone Lubricant


The DuPont Teflon Silicone lubricant is a multi-purpose spray that can waterproof, preserve, lubricate, and protect different surfaces like plastic, rubber, vinyl, leather, metal, and wood. You should be covered in protecting and maintaining your windows with this Silicone lubricant as it is vinyl friendly.

Just spray an ample amount on your tracks and sash and your windows should be restored and lubricated. This spray is also compatible with automotive and marine use, hinges, locks, and even fitness equipment as it says at the can.

You can also use this on metal window tracks if you have those, and the benefits that metal will get on this formulation is that it protects metal from rust, oxidation, and corrosion. This spray also has Teflon Fluoropolymer for added low friction properties, and it causes for a non-sticky formula as well.

The formulation of the DuPont Teflon Silicone Lubricant is close to the formulation of its WD-40 counterpart, but this spray is a bit runny compared to the quick-drying WD-40 Silicone spray that will dry up faster and thicker.

But if you’re doing an easy fix, the DuPont Teflon Silicone Lubricant is still a good product for lubricating vinyl windows, and other essential parts of your home. This is indeed one of the best lubricants for vinyl windows.
  • Supports plastic, rubber, vinyl, metal, leather, and wood surfaces
  • Formulated for more types of applications
  • Has Teflon Fluoropolymer for added lubrication
  • Runny
  • Does not come with a straw for more precise applications

Liquid Wrench Silicone Spray

Liquid Wrench Silicone Spray - Best lubricant for vinyl windows Review

Liquid Wrench Silicone Spray


This spray has a bit more durability to its effects, this is due to Cerflon used on the formulation. Cerflon means ceramically enforced PTFE. And what it does is, while PTFE is good by itself, it is not as durable as you want it to be, Cerflon is a mix of PTFE and solid boron nitrite ceramic particles to strengthen and even enhance its lubricating abilities making this formulation more effective and durable.

Other properties this spray offers is it waterproofs sprayed surfaces, has high dielectric properties similar to ceramics, and it rustproofs metals. With the dielectric properties, technically you should be able to use this safely around electronics, but this made dielectric by Liquid Wrench so it can work around engines.

This formulation is made to work with rubber, wood, plastic, vinyl, and metal. And when it comes to lubrication Vinyl windows, this spray may be themost slippery, efficient, and long-lasting spray available now.

Besides the dielectric properties this also possesses hydrophobic properties, as well as rust protection. In terms of reliability the Liquid Wrench Silicone Spray is one, if not the best at lubricating vinyl windows.
  • Dielectric and hydrophobic properties
  • Rust protection
  • Cerflon formulation
  • Has a strong petroleum smell
  • Straw not included

Permatex Silicone Spray Lubricant

Permatex Silicone Spray Lubricant - Best lubricant for vinyl windows Review

Permatex Silicone Spray Lubricant


This spray is specifically useful for windows with electronics on them like alarm sensors because it has electrical insulating properties like the Liquid Wrench Silicone Spray, but the Permatex Lubricant is more specifically formulated for household use.

This is highly effective for hinges, doors, windows, and anything with tight grinding spaces. One benefit it offers more than the other lubricants on this list is its High Silicone formula, which does not attract dirt and dust due to a good non-stick finish, and protects and renews bushings, rubber mountings, and other load-bearing components.

Other benefits of using the Permatex Silicone Spray Lubricant are its waterproofing properties, and that is especially useful for windows, as windows catch water and moisture al the time, and with the waterproofing, you are protected from rusting. This formulation also prevents oil build-up, and while the finish looks a bit shiny, it is dry but still very slippery.

If you need it, this spray also works with loosening up tight and squeaky car windows, and car hinges, since this has the electrical insulating feature, you don’t even need to worry about shorting your components, with the versatility this has for home use, this is one of the best lubricants for vinyl windows, and then some.
  • Electrical insulating properties
  • Can easily get into crevices and gaps using the included straw and a slightly runny formulation
  • Can easily solve squeaking parts
  • A bit messy
  • Tends to leak at the nozzle

B’laster Industrial Strength Silicone Lubricant

B'laster Industrial Strength Silicone Lubricant - Best lubricant for vinyl windows Review

B’laster Industrial Strength Silicone Lubricant


This lubricant also has a high silicone concentration on its formulation, and it is also formulated with Teflon Fluoropolymer, enhancing performance significantly, basically, it is like the DuPont Teflon Silicon is combined with the Permatex silicone spray. The B’laster Silicone Lubricant preserves and lubricates elastomers, metal, plastic, wood, rubber, vinyl, and leather.

The formulation of this product leaves a clear thin even film so it doesn’t stain, and it doesn’t attract dust and dirt since it has a non-stick finish. This lubricant also comes with a thin straw, but the straw differs from the size that WD-40 and other lubricant gives out, so if you lost the straw, it’s hard to find a straw that’ll fit.

This lubricant is the best out of all of the products mentioned from this list since this lubricant has combined different properties of different lubricants into one package, and the industrial-strength is not there just for the name, this really lasts long.
  • Has High silicone content
  • Has Teflon Fluoropolymers
  • No stain formulation
  • Non-stick formulation
  • Slightly expensive than average

Best lubricant for vinyl windows

Best Lubricant For Vinyl Windows – Final Takeaway

There you have our top picks for the best lubricant for vinyl windows. It just depends on whether you will get the ones with more features and benefits, or if you rather want the most reliable at getting the job done. And having one of these products is essential to a home, as it is versatile and easy to use. We hope we helped you solve your problems with this information, stay safe.

Did you like our Best Lubricant For Vinyl Windows Review? Please comment and check our other review! Best Window Film for Day and Nught Privacy could be interesting for you!

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