Can you plaster over these?

I used these washers to fix insulation panels to the underside of the roof joists in our loft - so no plastering involved. They were excellent for what I needed. The most common use for these washers is to fix insulation panels to the outside of a building, which would then be rendered over. The rendering would normally be at least 15mm thick, so would cover the washers. If you are using the washers to fix panels internally they would probably be ok, but it is important to ensure they are tightly screwed to prevent movement, and the plaster thickness is also sufficient to cover the washers/screws - say 12mm. Ensure the correct screws are used, e.g. proprietary plasterboard screws, which will not discolour the plaster over time. Hope this helps. J

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🛠️ Elevate your insulation game with precision and durability!

SLEEK LOW PROFILE DESIGN - Only 4.2mm thickness when fixed, maintaining a clean, professional finish.
DURABLE UK MADE ENGINEERING - Crafted from virgin polypropylene with reinforced design for long-lasting rigidity.
PRECISION LOAD DISTRIBUTION - 60mm diameter ensures optimal support for all soft to medium insulation panels.
VERSATILE INSULATION SUPPORT - Ideal for EPS, XPS, Celotex, Kingspan, Marmox, Stylite, and Ecotherm panels.
UNIVERSAL SCREW COMPATIBILITY - Perfectly fits 4-6mm screws, with 5mm recommended for secure fastening.

These 60mm polypropylene washers, made in the UK by Hawksworth Engineering, provide a low-profile, chemically resistant, and reinforced solution for securely fixing a wide range of soft to medium insulation panels. Designed for 4-6mm screws, they ensure optimal load distribution and professional finish across 100 durable pieces.

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Manufacturer	Hawksworth Engineering
Part number	INS60PPNAT100
Item Weight	4.3 g
Manufacturer reference	INS60PPNAT100
Size	60mm x 5.2mm
Colour	Natural
Finish	Matt
Material	Polypropylene
Shape	Round
Item thickness	5.2 Millimetres
Number of Pieces	100
Head Style	Round
Cutting Diameter	60 Millimetres
Batteries included?	No
Batteries Required?	No
Item diameter	60 Millimetres

hawkengLoad Spreading 60mm Polypropylene washers for Fixing and Supporting All Types of Soft to Medium Insulation Panels and Sheets – 100PCS

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