Free Delivery over £500

Your Image
Express Delivery Available
Your Image
Request a Sample
Your Image
Technical Support
Your Image
Cast Iron Gutters & Downpipes
Gutters & Downpipes which can endure any weather, withstanding harm from any hot fluids, sun fading and warping. Cast Iron systems are strong and extremely sturdy, view our range now.
Shop Now
AX Snapfix Gutters
100%recyclable aluminium guttering which removes the need for any nuts, bolts, and washers. This Range has been created to offer professionals a durable, cost-effective, yet extremely resistant system to the average uPVC guttering systems.
Shop Now
Skyline Copings
Aneconomic system, createdto accommodate both flat andpitched roofs. SkylineCopings allow for aneasy installation on upstand parapets, byenabling ventilation over the top of the wall, the strap anchoring method prevents penetration of the capping.
Shop Now
Stainless Steel
An inexpensive, adaptable, durable,and resistant to corrosionsystem, which provides a durable, sustainable and environmentally responsible system.
Shop Now
Guttering.
Heritage Cast Aluminium Gutters & Downpipes
AX Snapfix Aluminium Gutters
Apex Heritage Cast Iron Gutters & Downpipes
Infinity Steel Gutters & Downpipes
Skyline Copings

Downpipes.

Aluminium Downpipes
Cast iron Downpipes
Steel Downpipes
Request a Sample

Available for all ranges. Delivery in
3 days

Polyester Powder Coating

View PPC colour options

Get in touch

Get in touch with our friendly customer services team today

Drainage Calculator

Handy tool from Alumasc for working out drainage needs

Proud Supplier of

Skyline/ Rainwater logos
Free UK Delivery
when you spend £500*

Conditions Apply*

Drainage Calculator

allows builders & architects, to design and quantify their drainage requirements.

Touch Up Paint

125ml

26 Standard Colours
From £13
Free UK Delivery
when you spend £500*

Conditions Apply*

Drainage Calculator

allows builders & architects, to design and quantify their drainage requirements.

Touch Up Paint

125ml

26 Standard Colours
From £13

Drainage Calculator

From Alumasc

Alumasc’s leading Drainage Calculator allows Architects, Specifiers and Building Engineer’s to design and quantify all their Rainwater Drainage requirements using this dedicated software.

Key Features:
  • Category 2 and 3 Flat Roof Drainage linked to local rainfall data.
  • Eaves Drainage gutter sizing and pipe calculator for cast and contemporary gutter types.
  • Slotdrain Hydraulic surface water drainage calculator.
To request a copy email info@alumascwms.co.uk

Note: The Alumasc range of calculation tools on the Drainage software are based on BS EN 12056 and it is your responsibility to ensure that the data has been correctly interpreted. Architects, Engineers and other users of this software must satisfy themselves in respect of the adequacy of the design. For complicated calculations, please contact the Alumasc Rainwater or Drainage technical team on 01536 383810 or technical@alumascwms.co.uk who may be able to assist.

  • Product Filter

    Infinity Range

  • Product Filter

    Gutter Profiles

    Downpipe Profiles

    Cast Iron Gutters/Downpipes

  • FlushJoint Profile

    Type

  • Profile

    Type

  • Product Filter

    Gutter Profiles

    Downpipe Profiles

    Alu H Gutter/Downpipe