A complementary range of ancillary items and services to enhance the performance of your other Alsim products.

External Staircase

Staircase flight and landing assemblies to suit a variety of product configurations, including central positions, with a simple connection system. The designs offer interchangeable arrangements allowing use in left and right hand flight positions and to suit the varying requirements of your site.

Internal Staircase

An attractive and functional solution to the requirement to internally connect multiple floors in a stacked complex, especially for our modular range. A variety of options are available to suit all building arrangements and configurations including half landings and a choice of handrail materials and finishes.


This unique linking systems allow the simple and cost effective creation of a complex of any size in 1, 2 and 3 storey formats. The system allows our entire product range to be linked together subject only to the initial fitment of the required parts at the time of manufacture. The links themselves are interchangeable and available in a variety of sizes with and without external doors to provide additional flexibility of configuration.

Effluent Tank

A range of products designed specifically to stack seamlessly with our toilet and shower units, without the cost of jack legs or the difficulties of burying the tank, providing waste facilities when the relevant mains services are not available on site. The tanks are available to match all unit sizes and work with our range of step flight and landing assemblies. 

The tanks feature interchangeable inlet positions and are supplied with a flexible jointing pipe to allow simple connection to the waste outlet of the unit and thus provide a complete package from a single source.


A range of step flight and landing assemblies designed to connect simply and securely to our unit range and provide a flexible access solution when combined with our effluent tank products.

Spare Parts & Materials

Maintain the condition and performance of your product with original replacement spare parts and materials. We are able to despatch items quickly and efficiently to your premises or site, and even arrange for a member of our team to complete the actual repair work if required.

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