Aluminum Grating, Interlock Aluminum Grating, Affordable Interlock Aluminum Grating Specialist INTERLOCK ALUMINIUM GRATING, available in either Series L30 or L40, is outstanding for applications where the following criteria are required: 1. Low maintenance costs 2. Corrosion resistant to most chemicals 3. Non-sparking 4. Light weight with high structural strength 5. 80% open area for maximum light and ventilation. These features make INTERLOCK ALUMINIUM GRATING ideal for use in sewage treatment plants, oil refineries, munitions factories, ship loader boom walkways, transport tankers and sunscreens.   WELDLOK ALUMINIUM GRIDPLATE ALUMINIUM GRIDPLATE combines 3mm thick heavy-pattern aluminium floor plate permanently welded to INTERLOCK GRATING. This combination provides a light strong floor that can resist high impact loads, and can be manufactured from any of the range of INTERLOCK GRATING.   INTERLOCK ALUMINIUM STAIR TREADS INTERLOCK ALUMINIUM STAIR TREADS can be supplied in Series L30 and L40. The stair treads shown here are purely illustrative. Although overall tread length can be made to any dimension, we suggest that tread width be selected from the table of recommended widths  INTERLOCK ALUMINIUM STAIR TREADS are also available in types T1 to T6.   Serrations are also available on Interlock Gratings, however the recommended minimum depth for serrated panels is 25mm. When selecting the grating type go up one grade in depth to compensate for the reduced load carrying capacity.