Best Rigid Insulation Washers in 2026

100 low profile 60mm Polypropylene washers proudly designed and manufactured by ourselves in the UK, 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)

Plastic Washers for Insulation: These white plastic caps help distribute the load of a fastener and are used in manufacturing, construction, automobile, and other industries

Universal Compatibility: Our white plastic caps can be assembled with nail sizes #11 - #12 or with #6 - #8 screws

Versatile Usage: Insulation washer is great for installing the roofing felt, rigid board insulation, sheeting, house wrap, and radiant and vapor barriers

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 200 washers for screws and nails, enough for your daily replacement and use in foam board insulation and other repair

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 800 washers for screws and nails, enough for your daily replacement and use in foam board insulation and other repair

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 100 washers for screws and nails, enough for your daily replacement and use in foam board insulation and other repair

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

Pre-spotting prongs

Rigid center

Flexible perimeter reduces tearing

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

Enough Quantity to Use: you will get 200 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

100pcs load spreading washers in total. Suitable for soft to hard, light to weight insulation foam board and plates or other repair.

Made of polypropylene (PP), these plastic washers feature with good insulation and good durability, corrosion & temperature resistance.

The polypropylene washers are about 45 mm/ 1.77 inch in diameter. The middle hole is about 5 mm, easy to fix with the corresponding screws (excluding screws).

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

Perforated Insulation Pins: Used to support rigid board and batt type insulation on wall and ceiling applications. Perforated Insulation Hangers are also great for installing fiberglass board panels onto ceilings.

Quality Material: Made of low carbon steel, with galvanized coating and good insulation performance, the insulation dome cap washers are made of aluminum, which can be well matched with work.

Easy to Use: Simply glue/screw/nail the base of the insulation fasteners to the ceiling, pierce the fiberglass panel onto the pins (1 pin on each corner minimum) and push the washer onto the pin to hold the panel in place. Snip off the remaining part of the pin if necessary.

Quality Material: the plaster washers are made of steel, with zinc plated, sturdy and well made, can be applied for a long time

Proper Size: the plaster repair washers measures approx. 1 inches in outer diameter, 5/32 inches in center hole, appropriate size for you to use

Ample quantity: you will receive 100 pieces of plaster repair rings, sufficient quantities can meet your daily use needs, also can be kept as spare for accidental use

Quality Material: the plaster washers are made of steel, with zinc plated, sturdy and well made, can be applied for a long time

Proper Size: the plaster repair washers measures approx. 1 inches in outer diameter, 5/32 inches in center hole, appropriate size for you to use

Ample quantity: you will receive 50 pieces of plaster repair rings, sufficient quantities can meet your daily use needs, also can be kept as spare for accidental use

✔Premium Material: Insulation Washers are made of polypropylene, featuring with good insulation, corrosion resistance, not easy to deform, and can be used for a long time.

✔Product Content: 200 x washers; Enough to meet your daily needs. Diameter: 1.77 inch / 45mm, and the middle hole is about 5 mm.

✔Easy to Install: These washers are designed with a groove for driving screws, and the backside of the washer is convex for inserting into the surface of the back plate, which plays a fixed role.

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.