TECTUM membranes are made with elastoplastomeric mixes (BPP) characterized by cold flexibility of -5°C and strengthened with reinforced polyester.
 
Advantages
	- Wide range of use
 
	- Excellent quality/price ratio
 
Use
	- Base and middle layer 
 
	- Top layer 
 
	- Earth retaining walls 
 
	- Foundations