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Metal Insulation Disc - 35mm - Box of 100 - Galvanised

Metal Insulation Disc - 35mm - Box of 100 - Galvanised

Q: Could this be used to secure 12.5 mm foam tile backer board (like kerdi board) to metal studs? If yes, what screws should be used?

Yes that’s what I purchased them for I used 32 mm drywall screws but 25mm is sufficient

Q: What is the inner diameter for the screw head?

The centre hole will take a 5mm drill bit with a "sliding fit." (IE: drill a hole of that size, if your screws drop in easily, they will fit the discs). The diameter of the indented area is 14mm. Hope that helps.

Q: Can you plaster over these fixings

yes but you would need to tape over them first before plastering as recommended by the manufactures NOTE: Once installed, the head of the fixing should be taped and sealed to avoid any contact with wet plaster. Failure to do so may result in surface damage.

Q: Is there a right way and/or a wrong way round to apply these when installing PIR?

I followed the, what appeared to me, logical with sharp edges pointing away from me, did a great job that is still hanging up after several years. My ceiling and old lather and plaster had dropped down about 30cm right across the ceiling held there by paper. Screwed it back up and finished it again great.

Product ID: 55310525

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📏35mm large diameter for max coverage

🔩Hex head style for secure fastening

🛡️Galvanised finish for rust resistance

Frequently Bought Together

Description

🔩 Secure your space with TIMCO – where strength meets style!

BULK READY - Box of 100 discs means you’re always stocked for large projects or quick repairs.
PRECISION FIT - Hex head design allows for easy, secure fastening with standard tools—no slipping, no fuss.
VERSATILE APPLICATION - Perfect for insulation attachment and ceiling crack repairs—your go-to hardware multitasker.
DURABILITY MEETS STYLE - Galvanised carbon steel construction offers long-lasting rust protection with a sleek silver finish.
MAXIMIZE INSULATION HOLD - Large 35mm diameter head ensures superior grip on insulation materials, reducing energy loss.

TIMCO Metal Insulation Discs are 35mm galvanised carbon steel fasteners with a hex head, designed to securely hold insulation materials to battens and repair ceiling cracks. Supplied in a convenient box of 100, these durable discs combine rust resistance with professional-grade performance for efficient building and maintenance projects.

Specifications

Manufacturer	TIMCO
Part Number	MID35
Item model number	MID35
Size	35mm Diameter - 0.6mm Thickness
Colour	Silver
Style	Classic
Finish	Galvanised
Material	Carbon Steel
Item Package Quantity	1
Number of Pieces	100
Head Style	Hex
Cutting Diameter	35 Millimetres
Measurement System	Metric
Grit Number	120
Grit Description	Fine
Special Features	Galvanised
Included Components	100 x TIMCO Metal Insulation Disc 35mm
Batteries included?	No
Batteries Required?	No
Assembled Diameter	35 Millimetres
Item Weight	0.04 g

Have a Question? See What Others Asked

Could this be used to secure 12.5 mm foam tile backer board (like kerdi board) to metal studs? If yes, what screws should be used?

What is the inner diameter for the screw head?

Can you plaster over these fixings

Is there a right way and/or a wrong way round to apply these when installing PIR?

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