diff --git a/ICD.Common.Utils/Comparers/UndefinedVersionComparer.cs b/ICD.Common.Utils/Comparers/UndefinedVersionComparer.cs
new file mode 100644
index 0000000..1476d51
--- /dev/null
+++ b/ICD.Common.Utils/Comparers/UndefinedVersionComparer.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using ICD.Common.Utils.Extensions;
+
+namespace ICD.Common.Utils.Comparers
+{
+	/// <summary>
+	/// Undefined Versions have a value of 0.0.-1.-1
+	/// This comparer Maxs Versions to 0.0.0.0
+	/// </summary>
+	public sealed class UndefinedVersionComparer : IComparer<Version>
+	{
+		private static UndefinedVersionComparer s_Instance;
+
+		public static UndefinedVersionComparer Instance
+		{
+			get { return s_Instance = s_Instance ?? new UndefinedVersionComparer(); }
+		}
+
+		public int Compare(Version x, Version y)
+		{
+			return x.ClearUndefined()
+			        .CompareTo(y.ClearUndefined());
+		}
+	}
+}
diff --git a/ICD.Common.Utils/Comparers/UndefinedVersionEqualityComparer.cs b/ICD.Common.Utils/Comparers/UndefinedVersionEqualityComparer.cs
new file mode 100644
index 0000000..4841f73
--- /dev/null
+++ b/ICD.Common.Utils/Comparers/UndefinedVersionEqualityComparer.cs
@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using ICD.Common.Utils.Extensions;
+
+namespace ICD.Common.Utils.Comparers
+{
+	/// <summary>
+	/// Undefined Versions have a value of 0.0.-1.-1
+	/// This comparer Maxs Versions to 0.0.0.0
+	/// </summary>
+	public sealed class UndefinedVersionEqualityComparer : IEqualityComparer<Version>
+	{
+		private static UndefinedVersionEqualityComparer s_Instance;
+
+		public static UndefinedVersionEqualityComparer Instance
+		{
+			get { return s_Instance = s_Instance ?? new UndefinedVersionEqualityComparer(); }
+		}
+
+		public bool Equals(Version x, Version y)
+		{
+			return x.ClearUndefined()
+			        .Equals(y.ClearUndefined());
+		}
+
+		public int GetHashCode(Version version)
+		{
+			return version.ClearUndefined()
+			              .GetHashCode();
+		}
+	}
+}
diff --git a/ICD.Common.Utils/Extensions/VersionExtensions.cs b/ICD.Common.Utils/Extensions/VersionExtensions.cs
new file mode 100644
index 0000000..fc59a38
--- /dev/null
+++ b/ICD.Common.Utils/Extensions/VersionExtensions.cs
@@ -0,0 +1,37 @@
+using System;
+using System.Text;
+
+namespace ICD.Common.Utils.Extensions
+{
+	public static class VersionExtensions
+	{
+		/// <summary>
+		/// Creates a new Version using 0 instead of -1 for omitted quadrants.
+		/// </summary>
+		/// <param name="extends"></param>
+		/// <returns></returns>
+		public static Version ClearUndefined(this Version extends)
+		{
+			if (extends == null)
+				throw new ArgumentNullException("extends");
+
+			return new Version(Math.Max(0, extends.Major),
+			                   Math.Max(0, extends.Minor),
+			                   Math.Max(0, extends.Build),
+			                   Math.Max(0, extends.Revision));
+		}
+
+		/// <summary>
+		/// Formats the version to X.XXX.XXXX
+		/// </summary>
+		/// <param name="extends"></param>
+		/// <returns></returns>
+		public static string ToCrestronString(this Version extends)
+		{
+			if (extends == null)
+				throw new ArgumentNullException("extends");
+
+			return string.Format("{0}.{1:D3}.{2:D4}", extends.Major, extends.Minor, extends.Build);
+		}
+	}
+}
diff --git a/ICD.Common.Utils/ICD.Common.Utils_SimplSharp.csproj b/ICD.Common.Utils/ICD.Common.Utils_SimplSharp.csproj
index ad6616e..d36e00c 100644
--- a/ICD.Common.Utils/ICD.Common.Utils_SimplSharp.csproj
+++ b/ICD.Common.Utils/ICD.Common.Utils_SimplSharp.csproj
@@ -86,6 +86,8 @@
     <Compile Include="Comparers\FileNameEqualityComparer.cs" />
     <Compile Include="Comparers\PredicateComparer.cs" />
     <Compile Include="Comparers\SequenceComparer.cs" />
+    <Compile Include="Comparers\UndefinedVersionComparer.cs" />
+    <Compile Include="Comparers\UndefinedVersionEqualityComparer.cs" />
     <Compile Include="eConsoleColor.cs" />
     <Compile Include="DateTimeUtils.cs" />
     <Compile Include="Email\EmailClient.cs" />
@@ -110,6 +112,7 @@
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
     <Compile Include="Extensions\CollectionExtensions.cs" />
+    <Compile Include="Extensions\VersionExtensions.cs" />
     <Compile Include="TimeZoneInfo\IcdTimeZoneInfo.cs" />
     <Compile Include="ObfuscationSettings.cs" />
     <Compile Include="Extensions\BoolExtensions.cs" />
@@ -228,6 +231,7 @@
     <Compile Include="TryUtils.cs" />
     <Compile Include="UriQueryBuilder.cs" />
     <Compile Include="UriUtils.cs" />
+    <Compile Include="VersionSpan.cs" />
     <Compile Include="Xml\AbstractGenericXmlConverter.cs" />
     <Compile Include="Xml\AbstractXmlConverter.cs" />
     <Compile Include="Xml\DefaultXmlConverter.cs" />
diff --git a/ICD.Common.Utils/VersionSpan.cs b/ICD.Common.Utils/VersionSpan.cs
new file mode 100644
index 0000000..2221c0c
--- /dev/null
+++ b/ICD.Common.Utils/VersionSpan.cs
@@ -0,0 +1,29 @@
+using System;
+using ICD.Common.Properties;
+using ICD.Common.Utils.Extensions;
+
+namespace ICD.Common.Utils
+{
+	/// <summary>
+	/// Describes the difference between two versions
+	/// </summary>
+	public sealed class VersionSpan
+	{
+		public Version Start { get; set; }
+		public Version End { get; set; }
+
+		/// <summary>
+		/// Returns true if the given version is included in the span, inclusively.
+		/// </summary>
+		/// <param name="version"></param>
+		/// <returns></returns>
+		public bool Contains([NotNull] Version version)
+		{
+			if (version == null)
+				throw new ArgumentNullException("version");
+
+			return version.ClearUndefined() >= Start.ClearUndefined() &&
+			       version.ClearUndefined() <= End.ClearUndefined();
+		}
+	}
+}