Window set profile Rehau
+ six wood materials
texture resolution 2048×2048

Easily scalable with vertex
You can connect blocks as a designer by using jumper hiding between the blocks they are in Window block1 Window block2 Door Balcony

Unwrap UVW
V-Ray 3.5
Who works in the V-Ray version is lower than 3.1 please be careful the materials in the BRDF section are Microfaset GTR (GGX) if your version is older than 3.1 then the BRDF field will be empty. Choose Blinn Phong or Ward – which is preferable for you.