Formed in 2002, Ian Larnach Associates are dedicated to Constructing Excellence and Egan Principles driving forward with the introduction and delivery of new and innovative products and building systems whilst meeting the demands of new performance standards. The new Code for Sustainable Homes is a major challenge to designers and developers alike and as Code Assessors, Larnach Associates aim to provide clients with a simplistic interpretation of the codes, allowing all involved within the project to move forward with confidence, networking at all levels within the supply chain and covering a vast cross section of specialist products and systems including Lewis Dovetailed Sheeting, Lacomet FL, Max4, Hody and OP-DECK.
Product catalogue
Hody composite steel deck flooring system consists of a modified trapezium shaped profile sheet, ...
Product catalogue
Lacomet FL is a new to the UK and in our opinion, the best alternative to lead flashing. Special...
Product catalogue
Lewis® Dovetailed Sheeting is self- supporting, galv steel reinforcement sheet for use with limit...
Hody® Profiled Steel Sheets
A unique trapezium profiled steel sheet acting as permanent formwork for use in composite concrete floors.

E20 Formwork for in situ concrete
Lacomet® FL
A universal alternative to lead flashingfor use in a variety of applications.

H72 Aluminium strip/ sheet coverings/ flashings
Lewis® Dovetailed Sheeting
Self-supporting low profile steel sheets used for shuttering and reinforcement of lightweight concrete or screeded floors.

M10 Cement based levelling/ wearing screeds, E20 Formwork for in situ concrete, E30 Reinforcement for in situ concrete, E60 Precast/ composite concrete floors/ roof decks, G10 Structural steel framing
Lacomet FL rolls and Mastic
Lacomet FL to replace stolen lead flashing
Lacomet FL valley flashing + Timber Shingles
Lewis and screed floor in modular construction
Lewis Deck acoustic floors in timber frame
Lewis Deck and Underfloor Heating
Ian Larnach Associates Ltd provides goods and services in the following areas: