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The 8 Best rigid insulation washers of 2025

Are you trying to find rigid insulation washers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling rigid insulation washers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 25 hours of research and did 51 rigid insulation washers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best rigid insulation washers you can buy today

SaleNo. 1
Taiyin 500 Pcs 1.77 Inch/ 45 mm Plastic Washers Foam Board Insulation Load Spreading Polypropylene Washers for Fixing and Supporting Rigid Foam Spreading for Screws Nail
117 Consomer Reviews
Taiyin 500 Pcs 1.77 Inch/ 45 mm Plastic Washers Foam Board Insulation Load Spreading Polypropylene Washers for Fixing and Supporting Rigid Foam Spreading for Screws Nail
  • Reliable Material: these washers are made of polypropylene, a plastic material, featuring with good insulation, low profile and good durability, which are easy to hold
  • Size Information: the plastic washers are about 45 mm/ 1.77 inch in diameter, and the middle hole is about 5 mm; Each plastic washer is about 1.7 g
  • Sufficient to Use: you will get 500 washers for screws and nails, enough for your daily replacement and use in foam board insulation and other repair
  • Fixing and Supporting: these plastic washers are designed to use for fixing and supporting expanded polystyrene sheets, extruded polystyrene and many types of foam boards
  • Easy to Install: the round washer is easy to fix with screw or nail, and also you can remove it easily; The extra washers can be stored for the next time to use
No. 2
45mm Plastic Washers Polypropylene Washers for Fixing and Fastening Foam Board, Plastic Flat Washers for Rigid Foam Insulation Fastening Installation, Load Spreading for Screws Nail (100)
  • Premium Quality Material:The washer kit is made of high quality polypropylene, which is a plastic material with good insulating properties, small shape, durability, easy to grip, and firmness
  • Size:The round plastic washers have a diameter of 1.77 in and a 0.2 in center hole for easy fixing with the corresponding size screws, each washer is approximately 1.7 grams
  • Sufficient Quantity:The package includes 100 load spreading polypropylene washers, which are sufficient for daily replacement
  • Practical Functions:The plastic flat washers are good for fixing and supporting rigid foam insulation foam boards, ideal for fixing insulation foam boards, expanded polystyrene boards, extruded polystyrene and many kinds of foam boards
  • Easy To Use:The surface of the plastic washers for screws are smooth and burr-free, beautiful and easy to use, the round washer is easy to fasten with screws or nails, also can be easily removed, suitable for use in foam board insulation, stabilizing gypsum ceilings, installing polystyrene boards, hanging foam boards and so on
No. 3
100 Pcs 45 mm Polypropylene Washers for Fixing and Fastening Rigid Foam Insulation Board Panels, 100 Pcs Matching Screws for Sheets Fastener Load Spreading Plastic Washers
  • Reliable Material: the washers assortment is made of polypropylene, which is a plastic material, featuring with nice insulation, low profile and durability, easy to hold; In addition, the screws are made of quality stainless steel, sturdy and reliable to use
  • Size Details: the polypropylene washer measures approx. 45 mm/ 1.77 inch in diameter, and the middle hole is about 5 mm; Each plastic washer is about 1.7 g, and the screw is about 4 x 40 mm/ 0.16 x 1.57 inch
  • Sufficient Quantity: you will receive 100 pieces of plastic washer and 100 pieces of matching screws in the package, enough for your daily replacement, also can be applied in foam board insulation
  • Easy to Install: the washer kit is easy to fix with screw or nail, also can remove it easily; The spare washers can be stored for the next time to use, enough quantity for your use and replacement
  • Useful Function: the round washer is suitable for fixing and supporting expanded polystyrene sheets, extruded polystyrene and many types of foam boards, providing more convenience for you
No. 4
Polypropylene Washers 60 mm for Fixing Supporting Rigid Foam Insulation Panels and Sheets Load Spreading Plastic Washers Flat for Screws and Nail, Black(200 Pcs)
  • Enough for Use: you'll get 200 pcs of plastic washers for screws, enough for your daily replacement and for most types of medium soft foam boards and other repairs
  • Size Information: plastic washer is about 60 mm in diameter, 5.2 mm in overall depth, only 4.2 mm when low profile, 5.5 mm in the middle hole, suitable for screw sizes of 4, 5 or 6 mm (5 mm recommended); Each is approx. 5.5 g, light and easy to carry
  • Quality Material: these washers for screws are made of polypropylene (a plastic material), safe, sturdy, with good insulation, and can serve you for a long time; Plus, the reinforced design makes them easy fixation, rigidity and balance
  • Easy Installation: the washer kit is easy to fix with screws or nails, and can also be easily disassembled for repeated use; Excess washers can be stored for next use
  • Wide Range of Applications: these plastic washers are designed to hold and support expanded polystyrene panels, extruded polystyrene and many types of foam panels, bringing more convenience
No. 6
Load Spreading 60mm Polypropylene washers for Fixing and Supporting All Types of Soft to Medium Insulation Panels and Sheets - 100PCS
  • Proudly Made in the UK by ourselves - not inferior Chinese copies of our product. 100 low profile 60mm Polypropylene washers, colour black. For fixing and securing Expanded Polystyrene Sheets (EPS), Extruded Polystyrene (XPS) and all types of soft to medium foam boards such as Celotex, Marmox, Kingspan, Stylite and Ecotherm
  • Low profile only 4.2mm when fixed (5.2mm total depth), 60mm in diameter
  • Screw size: #12 or #10 (3/16" or 5mm diameter)
  • Made from virgin Polypropylene a tough engineering plastic resistant to most chemicals and acids. Reinforced design, easy to fix with good rigidity and balance.
  • All our products are manufactured by ourselves in the UK using the very latest production technology so that every single part we produce is not only identical but meets our design brief and your requirements
No. 7
200pcs Plastic Flat Washers 45 mm Polypropylene Washers with Screws Foam Board Washers Plastic Fender Washers for Fixing and Fastening Rigid Foam Insulation Board Panels TXZWJZ
  • Sufficient Quantity: You will receive 200 pieces of plastic washer and 200 pieces of matching screws in the package, enough for your daily replacement, also can be applied in foam board insulation
  • Size Details: The polypropylene washer measures approx. 45 mm/ 1.77 inch in diameter, and the middle hole is about 5 mm; Each plastic washer is about 1.7 g, and the screw is about 4 x 30 mm/ 0.16 x 1.18 inch
  • Wide Usage: These polypropylene washers are suitable for foam board, expanded polystyrene board, extruded polystyrene, foam insulation board, with good support and fastening effect
  • Easy to Install: The washer kit is easy to fix with screw or nail, also can remove it easily; The spare washers can be stored for the next time to use, enough quantity for your use and replacement
  • Quality Material: These washers for screws are made of polypropylene (a plastic material), safe, sturdy, with good insulation, and can serve you for a long time; Plus, the reinforced design makes them easy fixation, rigidity and balance
No. 9
60mm Reinforced 30% Glass Fibre Washers for Fixing Rigid Insulation Boards, Mid Grey - 100PCS
  • Made in the UK - Extra strong load spreading 60mm washers designed for fixing and supporting rigid wood/wool insulation boards like Savolit, Pavatex, Celenit and Heraklith, permanently in place. Made from a high density reinforced plastic with a 30% fibreglass fill to increase both strength and rigidity – 100PCS
  • Low profile only 4.2mm when fixed (5.2mm total depth). Textured surface finish helps with the adhesion of Lime Plaster and other finishes.
  • Suitable for screw size: #12 or #10 (3/16" or 5mm diameter)
  • Heat resistance (Max continuous temperature 110C, Max use temperature, short peaks 140C). Flame Rating (3mm) HB - Test method UL94. Chemical inertness.
  • All of our products are designed and manufactured by ourselves in the UK, using the very latest production technology to ensure that every single part we produce meets our design brief and your requirements.
No. 10
Kathfly 60mm Load Spreading Plastic Washers for Fixing and Supporting Rigid Foam Insulation Panels and Sheets Polypropylene Flat Washers for Screws Plastic, Brown(100 Pcs)
  • Enough Quantity to Use: you will get 100 pieces of plastic washers for screws, enough for your daily replacement and for most types of medium soft foam boards and other repairs
  • Wide Range of Applications: these plastic washers are designed to hold and support expanded polystyrene panels, extruded polystyrene and many types of foam panels, bringing more convenience
  • Size Information: these plastic washers are about 60 mm in diameter, 5.2 mm in overall depth, only 4.2 mm when low profile, 5.5 mm in the middle hole, suitable for screw sizes of 4, 5 or 6 mm (5 mm recommended); Each is approx. 5.5 g, light and easy to carry
  • Easy to Installation: the washer kit is easy to fix with screws or nails, and can also be easily disassembled for repeated use; Excess washers can be stored for next use
  • Quality Material: these washers for screws are made of polypropylene (a plastic material), safe, sturdy, with good insulation, and can serve you for a long time; Plus, the reinforced design makes them easy fixation, rigidity and balance
No. 11
Varku 200 Pcs Plastic Flat Washers, 45 mm Load Spreading Polypropylene Washers for Fixing and Supporting Rigid Foam Insulation Panels, Flat Foam Board Washers for Screws Fastening
  • 【Abundant Quantity for Everyday Needs】This package includes 200 white plastic washers, providing a plentiful supply to meet your daily use and replacement needs. With a compact diameter of 46mm/1.81in, they are easy to grip, occupy minimal space, and can be conveniently carried anywhere.
  • 【Load Spreading and Damage Prevention】These compact washers are specially designed for fixing and supporting various types of wall or ceiling insulation foam boards. They can spread loads and prevent the foam board from damage during installation. You can easily attach them with screws or nails for hassle-free installation.
  • 【Durable Plastic Material】Boasting quality plastic material, our flat washers offer excellent insulation and durability. They are robust and resistant to deformation, cracking, and wear, ensuring long-term reliability. Plus, the smooth surface and edges bring comfort and safety.
  • 【Easy Installation】Installation is a breeze. You simply place the insulation board on the wall or ceiling, drill holes through the insulation board, then secure it to the wall using the plastic washers and nails (nails not included). The plastic washers are easy to install and remove.
  • 【Versatile for Various Materials】These durable washers are suitable for securing a variety of materials to ceilings or walls, such as insulation boards, foam boards, and other materials that require load spreading during installation. They can provide added convenience in both daily life and work.
No. 12
Insulation Board Washer with 3" Zinc Wood Fastener, 1000 Pieces per Box…
  • 1-3/4" Anchor Plate Assembled with 3" Zinc Wood Screw
  • 1000 Pieces per Box
  • Used for 2-1/2" Insulation Thickness
No. 14
DGBRSM 50pcs 46mm Polypropylene Washers for Fixing and Supporting Rigid Foam Insulation Panels and Sheets, Screws Not Included
  • PREMIUM MATERIAL: Made of high quality plastic, durable and can be used with confidence. Reusable and environmentally friendly.
  • Size Information: Plastic washers are approximately 46mm/1.81" in diameter, and the center hole is approximately 5mm.
  • EASY INSTALLATION: Round washers are easy to fix with screws or nails, and can also be easily removed; excess washers can be stored for next use.
  • Scope of application: These plastic washers are designed to hold and support expanded polystyrene boards, extruded polystyrene and many types of foam boards.
  • Package includes: 50pcs 46mm polypropylene washers (screw not included).
No. 15
ITROLLE 100PCS Polypropylene Washers, Load Spreading Plastic Washers, Rigid Foam Insulation Panels and Sheets, White
  • Easy to install: These plastic washers are light in weight, easy to carry and install. The central hole is about 5mm, which will accommodate the corresponding screws (excluding screws). The bottom is flush, with good rigidity and balance.
  • High quality material: It is made of high quality polypropylene (PP), which is resistant to high and low temperatures, corrosion, good insulation, low profile and good durability, and can be used for a long time.
  • Fixing and supporting: these plastic gaskets are designed to fix and support expanded polystyrene plates, extruded polystyrene and various types of foam plates.
  • Wide application: used for fixing and supporting all types of soft to medium weight foam board insulation materials and plates, suitable for indoor and outdoor use.
  • Package content: you will receive 100 white gaskets, enough for your daily replacement and for foam board insulation and other maintenance.
No. 16
600 Pcs 45 mm White Plastic Washer, Foam Board Fasteners and Load Spreading Polypropylene Washers for Fixing and Fastening Rigid Foam Insulation Board Panels
  • 👍【Size and Material】: Hokimder White Plastic Washers are 45 mm diameter, made of high-quality Polypropylene, for easy installation, and are available in 600 pack . High quality and super durable.
  • 👍【Upgraded Design】: Hokimder White Plastic washer is made of Polypropylene, waterproof, high temperature resistant, non-rusting, and not easy to deform; increase the fixing effect, not easy to slip, safe and stable, and reusable.
  • 👍【Scope of Application】: White Plastic Washers are suitable for fixing and installing foam boards, rubber boards and other decorative materials; the installation is simple, and the front of the washers has a screw mounting hole with a diameter of 5mm/0.2Inch, which can be installed by hand with purchased screws, which is very convenient and practical.
  • 👍【Multi-Purpose】: White Plastic Washers are versatile and can be used for both indoor and outdoor wall finishing. The washer is small in size and light in weight. Fixed installation can effectively avoid material cracking and keep the wall in good condition. It is a very practical and convenient ideal tool.
  • 😎【Brand Service】: HoKimder is an innovative brand. We provide users with high-quality products with innovative designs; quality satisfaction, customer-oriented service experience. If the product is defective and damaged during transportation, or the accessories are insufficient, please contact us through Amazon [Contact Seller], and we will give you a satisfactory answer within 24 hours.
No. 17
60mm Reinforced 30% Glass Fibre Washers for Fixing Rigid Insulation Boards, Brown - 100PCS
  • Made in the UK - Extra strong load spreading 60mm washers designed for fixing and supporting rigid wood/wool insulation boards like Savolit, Pavatex, Celenit and Heraklith, permanently in place. Made from a high density reinforced plastic with a 30% fibreglass fill to increase both strength and rigidity – 100PCS
  • Low profile only 4.2mm when fixed (5.2mm total depth). Textured surface finish helps with the adhesion of Lime Plaster and other finishes.
  • Suitable for screw size: #12 or #10 (3/16" or 5mm diameter)
  • Heat resistance (Max continuous temperature 110C, Max use temperature, short peaks 140C). Flame Rating (3mm) HB - Test method UL94. Chemical inertness.
  • All of our products are designed and manufactured by ourselves in the UK, using the very latest production technology to ensure that every single part we produce meets our design brief and your requirements.
No. 18
Carhartt Men's Loose Fit Washed Duck Insulated Bib Overall, Black, Large
  • 12-ounce 100% cotton ringspun washed duck
  • Adjustable front-elasticsuspenders with webbing slider on straps
  • Stretch side panels for more precise fit with Cordura reinforced kick panels
  • 3M Thinsulate insulation throughout legs with ankle-to-knee leg zippers
  • Triple-stitched main seams
No. 19
Levi's Men's Trucker Jacket (Also Available in Big & Tall), (New) Medium Stonewash
  • Sits at waist
  • Loose through seat and thigh
  • Straight leg
  • The model in the image is 6' 4" and is wearing Medium.

How to choose a good rigid insulation washers

Does the idea of finding a fantastic rigid insulation washers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in rigid insulation washers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top rigid insulation washers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top rigid insulation washers on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top rigid insulation washers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top rigid insulation washers based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the rigid insulation washers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good rigid insulation washers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your rigid insulation washers.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting rigid insulation washers for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our rigid insulation washers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what rigid insulation washers should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on rigid insulation washers.