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Catnic Arch Centre - Span: 3175mm - Rise 75mm

SKU

ACA3175

£118.84 £99.03

Product Information

Catnic Arch Centre with a 3175mm (10ft 5in) span and 75mm (3in) rise, ideal for segmental brick arches.
Constructed from durable PVC-u, designed for external cavity walls including traditional and timber frame builds.
Features integral weep vents to manage moisture and enhance cavity wall weatherproofing.
Provides permanent centring support for consistent, accurate brick arch construction.
Note: Sold as a single unit; ensure correct size selection and handle carefully to avoid damage before installation.

Details

The Catnic Arch Centre is a specialist PVC-u arch unit designed to provide reliable permanent centring for brick arch construction over openings in external cavity walls. Tailored for builders, contractors, and site managers working on traditional and timber frame projects, it ensures precision and durability on-site. Please note the product is supplied as a single unit and should be inspected for damage before use.

Application

This arch centre is ideal for creating segmental brick arches above doorways, windows, or other structural openings within cavity wall constructions. Its design facilitates neat, consistent arch shapes while accommodating cavity wall requirements, including weather resistance through integrated weep vents that allow moisture drainage. It is widely used in both traditional masonry and modern timber frame builds where permanent support and easy installation are essential.

Dimension

Span: 3175mm (10ft 5in)
Rise: 75mm (3in)

Material

Extruded PVC-u with enhanced UV stability for long-lasting external use.

Type

Lintel accessory – arch centring unit

Installation requires clean, dry surfaces and careful positioning centrally over the lintel for optimal support. The product includes a front drip section that may be trimmed to suit mortar joint thickness and improve finish. Each arch centre covers openings with a tolerance of ±25mm, with multiple sizes available in 50mm increments. Always confirm the correct size for your application and avoid using damaged units.

More Information

More Information
MPN	ACA3175
Type	Arch Centre
Length	3175mm
Weight	1.790000
Manufacturer	Catnic
Sap Id	ACA3175

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Delivery Information

Delivery availability

We deliver to most mainland UK addresses. Some postcode areas are excluded – please see the full list below.

Delivery charges

Delivery costs vary depending on your location, the products ordered, and the delivery method selected. All delivery charges are calculated clearly at checkout.

Fuel Surcharge

Information on our added Fuel Surcharge can be found at https://condell-ltd.com/fuel-surcharge-notification

Delivery dates

You can request a preferred delivery date at checkout. While we aim to meet this wherever possible, availability may depend on stock levels and third-party delivery schedules. If your chosen date is unavailable, a member of our team will contact you to arrange an alternative.

Delivery method

All deliveries are made kerbside as standard. For health and safety reasons, drivers are unable to carry materials beyond the kerb. If you have specific access requirements, please contact us before placing your order.

Delivery exclusions

We currently do not deliver to the following postcode areas:

AB16, AB21–22, AB30–AB38, AB41–AB56, BT1–BT94, CA2, CA15, CA28, DD1, DD8, DD9, DG1, DG2, DG10–DG14, DG16, FK18–FK20, GY1–GY9, HS1–HS9, IM1–IM9, IV1–IV5, IV7, IV12–IV13, IV21–IV28, IV30–IV36, IV40–IV56, JE1–JE4, KA1, KA4–KA6, KA14–KA15, KA18–KA21, KA27–KA30, KW1–KW3, KW6–KW17, KY6–KY10, KY13–KY16, LL49, LL58–LL62, LL64–LL78, PA17–PA78, PH11, PH19–PH26, PH30–PH33, PH35–PH38, PH40–PH44, PH49–PH50, PO30–PO41, SA68, SA71, ZE1–ZE3

Important delivery terms

Shortages must be reported within 48 hours and noted on delivery paperwork
All deliveries must be signed for; redelivery charges may apply
Deferred deliveries may incur storage charges
Collected orders are not subject to delivery charges
Returns are subject to a 25% restocking fee (delivery charges excluded)
Made-to-measure items are non-refundable
Reasonable access to the delivery point must be available; additional charges may apply