
John Guest LowFit 16mm castellated panels are designed to provide a high output and low height screed floor underfloor system. The 16mm panel has equally spaced castellations at 50mm to allow 12mm pipe to be clipped in securely and accurately as per design specifications. Installation of the panels is fast and simple as it features an overlapping alignment system for simple hassle-free panel laying, as well as a super strong adhesive backing. This allows for the panel to be installed directly onto the existing sub floor structure. The open grid design ensures the screed layer poured on top flows smoothly and evenly over the panel. Ideal solution for screed floor applications Easy to install low profile 16mm panel for 12mm pipe (total floor height including screed is 19-21mm) Excellent performance with a high heat output at low flow temperatures Versatile application that is compatible with 50, 100, 150 or 200mm castellation spacing Open grid design allows better flow of screed around pipes and castellations for a solid stable floor makeup Each panel has a peel off adhesive backing film for hassle-free and secure installation to the sub-floor Panels are linked together with a simple overlap system to ensure accurate alignment Made from 100% recyclable material Suitable for underfloor heating applications only
Versatile application that is compatible with 50, 100, 150 or 200mm castellation spacing
49p delivery on all orders over £30 (exc. Bulky Item Delivery)
Super Saver Delivery
£2.99
Standard Delivery
£3.99
Express Delivery
£5.99
Next Day Delivery
£6.99
24/7 InPost Locker | Shop Collect
£2.49
Evri ParcelShop
£3.99
Evri ParcelShop | Express Delivery
£5.99
Premium DPD Next Day Delivery
£7.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£4.99
Northern Ireland Express Delivery
£5.99
Unlimited free delivery for a year with Unlimited Delivery for £14.99
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times
Something not quite right? You have 28 days from the day you receive it, to send something back.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.

John Guest LowFit 16mm castellated panels are designed to provide a high output and low height screed floor underfloor system. The 16mm panel has equally spaced castellations at 50mm to allow 12mm pipe to be clipped in securely and accurately as per design specifications. Installation of the panels is fast and simple as it features an overlapping alignment system for simple hassle-free panel laying, as well as a super strong adhesive backing. This allows for the panel to be installed directly onto the existing sub floor structure. The open grid design ensures the screed layer poured on top flows smoothly and evenly over the panel. Ideal solution for screed floor applications Easy to install low profile 16mm panel for 12mm pipe (total floor height including screed is 19-21mm) Excellent performance with a high heat output at low flow temperatures Versatile application that is compatible with 50, 100, 150 or 200mm castellation spacing Open grid design allows better flow of screed around pipes and castellations for a solid stable floor makeup Each panel has a peel off adhesive backing film for hassle-free and secure installation to the sub-floor Panels are linked together with a simple overlap system to ensure accurate alignment Made from 100% recyclable material Suitable for underfloor heating applications only
Versatile application that is compatible with 50, 100, 150 or 200mm castellation spacing
49p delivery on all orders over £30 (exc. Bulky Item Delivery)
Super Saver Delivery
£2.99
Standard Delivery
£3.99
Express Delivery
£5.99
Next Day Delivery
£6.99
24/7 InPost Locker | Shop Collect
£2.49
Evri ParcelShop
£3.99
Evri ParcelShop | Express Delivery
£5.99
Premium DPD Next Day Delivery
£7.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£4.99
Northern Ireland Express Delivery
£5.99
Unlimited free delivery for a year with Unlimited Delivery for £14.99
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times
Something not quite right? You have 28 days from the day you receive it, to send something back.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.
Extend your warranty and protect your purchase against accidental damage and defects.
Protects your new Lowfit Castellated Panel 16mm (12mm Pipe) (Pack Of 16) against breakdowns and faults once the manufacturer's warranty period is over.
Covers issues not included in your manufacturer's warranty, such as accidental damage or theft.
Get a replacement or a cash refund up to the full amount you originally paid for it.
FAQs
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XCover's simple, fast and stress-free repair and replacement process delivers peace of mind if your item is stolen or has damages or defects that aren't covered by the manufacturer's warranty. XCover’s easy, digital process is simple with quick payouts on approved claims.
Before submitting a claim, you need to gather all the details and documents to support your claim. This helpful article has a guide to what documents you may need based on your claim reason.
When you're ready to submit your claim, log in to your XCover Account, select the XCover Protection you would like to claim for and then select ‘Make a Claim’.
The XCover claims process is quick and hassle-free, with payment or reimbursement for approved claims processed instantly. The dedicated team at XCover aims to complete 95% of claims within 3 days of claim submission, so keep a close eye on your emails to ensure there’s no delay.
For more information about claims submission, please check XCover Help.