Harmer AV Roof Membranes offer a general range of outlets that uses
anti-vortex principles to optimise flow performance when connected to individual
downpipes as part of a "one-to-one" system. The outlet uses a patented
baffle within the grating to prevent water swirl and air entrapment, enabling
the outlet to drain at 90% of its pipe capacity.
Stevens EP is a range of reinforced, heat weldable, ethylene propylene based
TPO single ply roof membranes that offers the weather-ability of rubber,
the strength and reliability of hot air welded seams and superb tear and puncture
resistance.
roofing // flat roofing // waterproofing // drainage // rainwater pipes // soil and waste drainage // flat roof drainage // floor drainage // roof membranes // single ply roofing // built up roofing // thermal insulation // structural metal decking // rooflights // structural waterproofing // green roofs // facade systems // grp // gutters // building envelope // standing seams
Hi-Ten Elastomeric is an advanced SBS - Modified bitumen roof membrane
system for the modern flat roof, where the pour and roll method of application
is preferred. Hi-Ten Elastomeric may be applied as part of a fully bonded or
partially bonded roof waterproofing system.
Alumasc Polyurethane Insulation Board provides an excellent choice for warm
flat roofs. It has a core of urethane insulation and is available with a choice
of three autohesively bonded facings for use with a range of waterproof roof
membranes.
Eurobord is a board made of Perlite (volcanic rock) and selected binders and
fibres. Eurobord S has a coating of bitumen. Both boards are used as a base
for waterproofing roof membranes
Topfoam and Roofmate TF roof membranes - Topfoam is a CFC-free extruded
polystyrene insulation board supplied in two grades, 220 and 350. Roofmate TF
is a CFC and HCFC free extruded polystyrene insulation board.

Alumasc is a world leader in building and construction products, bringing together the experience and skills of a specialist range of manufacturers' to offer some of the best known and most highly regarded brands on the market. Alumasc's building products, some of which are world leaders in their field, are used throughout the UK and other parts of the world.
Alumasc have a comprehensive portfolio of roofing and waterproofing products. This encompasses the full range of products that are necessary to provide a complete flat roofing system, from high performance roofing membranes to monolithic structural waterproofing and green roofing systems.
roofing // drainage // waterproofing