This is a retexture of Testarlive's Cleaner Concrete Structures - Wasteland Workshop Mod. 

http://www.nexusmods.com/fallout4/mods/11943/?

How to install
1. First Install Cleaner Concrete Structures - Wasteland Workshop by Testarlive 
2. Download this mod and Install using NMM, Overwrite when prompted

How to install Manually
1.First Install Cleaner Concrete Structures - Wasteland Workshop by Testarlive
2. Download this mod Manually and paste it here 

C:\Program Files (x86)\Bethesda Studios\Fallout 4\Data\textures\Interiors\Building

Thankyou Testarlive for this mod!