A2O offers design and passive fire protection services for newbuild, reclad and refurbishment.

We have expertise in rainscreen, SFS, modular construction, louvres, glazing and render.

Correct design and site quality assurance is vital to ensure
that the building not only looks right but performs correctly.

A2O are a design-led business. Early engagement in the design optimises the coordination of structure, facades and other envelope finishes.
A2O carries out safety analysis on existing installations and provides replacement cladding certified to passive fire prevention standards.
A2O provides a full design service for conversions where façades are stripped back to the frame or as-built drawings are unavailable.


A2O offers full design integration of SFS and Rainscreen, to ensure robust weather proofing, air sealing detailing and thermal compliance.

A2O can deliver high precision, pre-finished modules which speed up the programme and provide safer working under controlled conditions.

A2O is certified by the BRE to issue a Passive Fire Protection Certificate for each cladding installations to the LPCB standard LPS 1531.
A2O carry out full façade including curtain wall, windows and doors on projects where the glazing interface details are critical.

A2O offers screening and acoustic louvres, working with our supply chain partner Kingfisher Louvres, and bespoke timber louvres or fins.

A2O can specify and detail thin coat render as a cost-effective finish alongside a rainscreen system.