Build your shelter explosion proof.
Bunker Mod 1.7.2 is a mod that adds different elements to the game, including a new explosion proof material, so if you do not like the design of the houses using obsidian, you can always use this new material. Besides this, the mod adds various elements used in the construction which will resist explosion effects as well. Some of them are stairs, doors and windows.

Detail and Download here : Bunker Mod

Homepage: Mods for Minecraft