protect your invironment!
highest quality for road construction
Our highest quality of surface boxes for road construction even up to the class D 400.
The main body of our surface boxes are made of extra thick synthetic material with 30% fiber glass contents. This makes them particularly heat-resistant over a period of 15 minutes up to a temperature of 245 ° Celsius. Without harming the surface boxes. No gaps between asphalt and the surface boxes after cooling down of the asphalt layers.
In result no repairs.
The height-adjustable surface boxes suitable for installation by one person only and can be embedded without inserting dirt and dust or gravel in between the inner and outer part of surface boxes due sealing ring with dual function. Keeping the surface boxes on its level while installation and also protecting from inserting dirt in between. Height-adjustable models are for the road caps 4055,4056,4057,4058,4059,3581 available, also in grip version with or without extra wide neck on the top.