I have searched extensively for this on the Oblivion forums, google, and the Nehrim forums. I figured this may not be an issue unique to Nehrim or someone here would simply know what the issue is.

My weapons were breaking insanely fast today in Nehrim and after about 2 hours of trying to figure out why, I realized that when blocking they were taking 1-5 points of damage per block from a normal hit and 5-10 per block from a power attack. I only noticed this today. I had just hit level 14 when I noticed this. I know it was not happening before because I have been using weapons to block since I started Nehrim and I've never seen one go below 90% durability. The weapon durability in Nehrim is very high. This is happening with all weapons.

It's making my game unplayable because my weapons are all breaking so fast and I'm a melee based character.

Things I have done to troubleshoot:

-Deactivated ONLY Deadly Reflex and cleaned save - still happened

-Loaded several day old saves and tested - still happened

-De-activated ALL mods, cleaned my save, and tested - still happened

-Installed and activated: Deadly Reflex 5 - Timed Block with no damage or durability changes.esp - still happened

I also searched google to try and figure it out to no avail. I don't know that Deadly Reflex is even the problem as I was using it all day yesterday and did not notice this issue. Any help would be greatly appreciated.

This is my mod list for Nehrim:

Nehrim.esm
HorseCombatMaster.esm
NehrimData.esp
NehrimEnglish.esp
NehrimCameraMod.esp
Initial_Glow-all.esp
NehrimWaterMod.esp
NehrimFairFemaleKim.esp
Deadly Reflex 5 - Timed Block with no damage or durability changes.esp
Deadly Reflex 5 - Combat Moves.esp

Lastly, this is the .ess and .obse from the savegame while I was trying to troubleshoot: http://dl.dropbox.com/u/11546627/Troubleshooting.7z

Since I'm drawing a blank here does anyone know a mod that will raise all weapon health in the game by about 1000x so I don't have to worry about this issue?

I think there's no mod for Nehrim that change items durability.

Maybe the durability settings have been changed by DR.
Removing the mod doesn't change it back, because settings are saved with the savegame.
You have to manually create a mod that revert that changes.

The settings are these:
"fDamageToArmorPercentage" DEFAULT is 9.00
"fDamageToWeaponPercentage" DEFAULT is 0.06

Open the CS, go to GamePlay and select Settings. Search these 2 values.
You will see that either settings are at their default value.
You have to edit them to something else (so the CS record them as "changed" and will include them in the mod), click OK, then reopen the settings menu and change them back.
Now save the mod and close the CS.
Open OBMM/Wrye bash and put the mod at the bottom of the list (to ensure it will overwrite any changes made by other mods).
Now it should be fixed.

Excellent. Thanks so much. So easy too, just needed to know where to look! Now I just have to figure out how to open the editor for Nehrim...

Well while looking up other ways to fix this because modding it didn't work, I discovered that once my block skill reaches 50 my weapons and shields no longer take damage while blocking. Since my block was 42 already I just consoled it to 50 and now they don't take damage anymore. Herp derp. Thanks again for the help.

That's the 50 level perk of the block skill: it's normal.
At level 50 your shield/weapon don't get damaged by blocking hits.