VENTILATORS

• FIRE & SMOKE

1. H ARV – Helm Automatic Release Ventilator (Fire & Smoke) Designed to automatically provide its maximum exhaust area under fire conditions whilst providing a fully weathered unit in its normally closed position.

2. H MP - Helm Multi Purpose Ventilator (MKIII) Designed to automatically provide its maximum exhaust area under fire conditions whilst providing natural ventilation in its normally closed position.

• NATURAL

1. H SV – Helm Natural Slope Ventilator. For day to day natural ventilation.

2. H RV – Helm Natural Ridge Ventilator For day to day natural ventilation.

• HELM SUPER VENTILATION

1. H UF - Helm Super Ventilators are consistent natural smoke and heat exhaust units that are designed for the removal of large scale heat loads from industrial buildings such as Glassworks, Boiler Houses, Steel & Aluminium smelters to release the by products of combustion, smoke and steam.

All the aforementioned units are available in Galvanised, Aluminium, Stainless Steel and Pre-Painted material.

LOUVRES

Helm’s Louvres are designed to operate in conjunction with either mechanically powered or natural ventilators, to replace hot stale air in desired areas. Fixed Louvres provide permanent ventilation, whereas adjustable louvers can be set to deliver a variable amount of air depending on the day to day climatic conditions. All units are available in Galvanised, Aluminium, Stainless Steel and Pre- Painted material. Special sizes can be manufactured on request.

The following Helm louvres are available:
 Fixed Louvres
 Adjustable Louvres
 Weather Louvres
 Continuline Louvres
 Vertiline Louvres
 Acoustic Louvres

FLASHINGS

Helm Engineering is one of South Africa’s largest manufacturers of flashings for the following profiles:
 I.B.R (686) • Widedek (706) • Nu-Rib (762) • Industrial Seven (889) • BR7 (889)
 Supa-Clad (890)
 Corrugated 10 ½ (762)
 Brownbuilt 406
 Klip-Lok (406) and Klip-Lok (700)
 Superseal (500)
 Standard flashings for any other roofing profile can be manufactured on request

Flashings are available in:
 Galvanised Material: 0,58mm; 0,80mm; 1,0mm
 Colour on Galvanised Substrate: 0,58mm; 0,80mm
 Zinc-Aluminium: 0,53mm
 Colour on Zinc-Aluminium Substrate: 0.53mm
 Embossing available on request

INDUSTRIAL RAINWATER GOODS

Our extensive range of Industrial Rainwater Goods includes standard gutters, downpipe’s and accessories. Helm can also manufacture custom made gutters – designed and manufactured to suit the client’s specific project needs.

All industrial rainwater goods can be manufactured from:
 Hot rolled mild steel
 Galvanised
 Zinc-aluminium
 Pre-Painted material

Embossing available on request

Tables specifying size, mass and performance data for all units are available upon request. Please contact GRS Isando for further information.