diff --git a/libsave/include/SatisfactorySave/GameTypes/Properties/ArrayProperty.h b/libsave/include/SatisfactorySave/GameTypes/Properties/ArrayProperty.h
index e216a15a..6c64650e 100644
--- a/libsave/include/SatisfactorySave/GameTypes/Properties/ArrayProperty.h
+++ b/libsave/include/SatisfactorySave/GameTypes/Properties/ArrayProperty.h
@@ -1,29 +1,20 @@
 #pragma once
 
 #include "../Arrays/Base/Array.h"
-#include "Base/Property.h"
+#include "Base/PropertyImpl.h"
 
 namespace SatisfactorySave {
 
-    class SATISFACTORYSAVE_API ArrayProperty : public Property {
+    class SATISFACTORYSAVE_API ArrayProperty : public PropertyImplBase<ArrayProperty, std::unique_ptr<Array>> {
     public:
         static constexpr std::string_view TypeName = "ArrayProperty";
 
-        using Property::Property;
+        using PropertyImplBase<ArrayProperty, std::unique_ptr<Array>>::PropertyImplBase;
 
         void serialize(Archive& ar) override;
 
-        void accept(PropertyVisitor& v) override;
-
         [[nodiscard]] inline FName& arrayType() {
             return tag_.InnerType;
         }
-
-        [[nodiscard]] const std::unique_ptr<Array>& array() const {
-            return array_;
-        }
-
-    protected:
-        std::unique_ptr<Array> array_;
     };
 } // namespace SatisfactorySave
diff --git a/libsave/include/SatisfactorySave/GameTypes/Properties/Base/PropertyImpl.h b/libsave/include/SatisfactorySave/GameTypes/Properties/Base/PropertyImpl.h
index ec183a78..8e7a2940 100644
--- a/libsave/include/SatisfactorySave/GameTypes/Properties/Base/PropertyImpl.h
+++ b/libsave/include/SatisfactorySave/GameTypes/Properties/Base/PropertyImpl.h
@@ -6,20 +6,10 @@
 namespace SatisfactorySave {
 
     template<typename Impl, typename T>
-    class PropertyImpl : public Property {
+    class PropertyImplBase : public Property {
     public:
-        PropertyImpl() : Property(FName(std::string(Impl::TypeName))) {}
-        explicit PropertyImpl(PropertyTag tag) : Property(std::move(tag)) {}
-
-        void serialize(Archive& ar) override {
-            if constexpr (IsSerializable<T>) {
-                ar << Value;
-            } else {
-                // Function must be overwritten by derived class!
-                // Runtime exception is a workaround for virtual functions not supporting concepts.
-                throw std::runtime_error("Invalid PropertyImpl serialize!");
-            }
-        }
+        PropertyImplBase() : Property(FName(std::string(Impl::TypeName))) {}
+        explicit PropertyImplBase(PropertyTag tag) : Property(std::move(tag)) {}
 
         void accept(PropertyVisitor& v) override {
             v.visit(static_cast<Impl&>(*this));
@@ -27,4 +17,16 @@ namespace SatisfactorySave {
 
         T Value{};
     };
+
+    // Split into two classes to force subclasses with not serializable type to implement serialize(). Maybe in future
+    // override methods support concepts, e.g., `void serialize(Archive& ar) requires IsSerializable<T> override`.
+    template<typename Impl, typename T>
+    class PropertyImpl : public PropertyImplBase<Impl, T> {
+    public:
+        using PropertyImplBase<Impl, T>::PropertyImplBase;
+
+        void serialize(Archive& ar) override {
+            ar << this->Value;
+        }
+    };
 } // namespace SatisfactorySave
diff --git a/libsave/include/SatisfactorySave/GameTypes/Properties/SetProperty.h b/libsave/include/SatisfactorySave/GameTypes/Properties/SetProperty.h
index 569dc03e..3f38e68a 100644
--- a/libsave/include/SatisfactorySave/GameTypes/Properties/SetProperty.h
+++ b/libsave/include/SatisfactorySave/GameTypes/Properties/SetProperty.h
@@ -1,29 +1,20 @@
 #pragma once
 
 #include "../Sets/Base/Set.h"
-#include "Base/Property.h"
+#include "Base/PropertyImpl.h"
 
 namespace SatisfactorySave {
 
-    class SATISFACTORYSAVE_API SetProperty : public Property {
+    class SATISFACTORYSAVE_API SetProperty : public PropertyImplBase<SetProperty, std::unique_ptr<Set>> {
     public:
         static constexpr std::string_view TypeName = "SetProperty";
 
-        SetProperty(PropertyTag tag);
+        using PropertyImplBase<SetProperty, std::unique_ptr<Set>>::PropertyImplBase;
 
         void serialize(Archive& ar) override;
 
-        void accept(PropertyVisitor& v) override;
-
         [[nodiscard]] inline FName& setType() {
             return tag_.InnerType;
         }
-
-        [[nodiscard]] const std::unique_ptr<Set>& set() const {
-            return set_;
-        }
-
-    protected:
-        std::unique_ptr<Set> set_;
     };
 } // namespace SatisfactorySave
diff --git a/libsave/include/SatisfactorySave/GameTypes/Properties/StructProperty.h b/libsave/include/SatisfactorySave/GameTypes/Properties/StructProperty.h
index 438f87d4..e1f861ae 100644
--- a/libsave/include/SatisfactorySave/GameTypes/Properties/StructProperty.h
+++ b/libsave/include/SatisfactorySave/GameTypes/Properties/StructProperty.h
@@ -4,20 +4,18 @@
 
 #include "../Structs/Base/Struct.h"
 #include "../UE/Misc/Guid.h"
-#include "Base/Property.h"
+#include "Base/PropertyImpl.h"
 
 namespace SatisfactorySave {
 
-    class SATISFACTORYSAVE_API StructProperty : public Property {
+    class SATISFACTORYSAVE_API StructProperty : public PropertyImplBase<StructProperty, std::unique_ptr<Struct>> {
     public:
         static constexpr std::string_view TypeName = "StructProperty";
 
-        using Property::Property;
+        using PropertyImplBase<StructProperty, std::unique_ptr<Struct>>::PropertyImplBase;
 
         void serialize(Archive& ar) override;
 
-        void accept(PropertyVisitor& v) override;
-
         [[nodiscard]] inline FName& structName() {
             return tag_.StructName;
         }
@@ -25,12 +23,5 @@ namespace SatisfactorySave {
         [[nodiscard]] inline FGuid& structGuid() {
             return tag_.StructGuid;
         }
-
-        [[nodiscard]] const std::unique_ptr<Struct>& value() const {
-            return struct_;
-        }
-
-    protected:
-        std::unique_ptr<Struct> struct_;
     };
 } // namespace SatisfactorySave
diff --git a/libsave/src/GameTypes/Properties/ArrayProperty.cpp b/libsave/src/GameTypes/Properties/ArrayProperty.cpp
index d951df19..a14717d2 100644
--- a/libsave/src/GameTypes/Properties/ArrayProperty.cpp
+++ b/libsave/src/GameTypes/Properties/ArrayProperty.cpp
@@ -1,15 +1,9 @@
 #include "GameTypes/Properties/ArrayProperty.h"
 
-#include "GameTypes/Properties/Base/PropertyVisitor.h"
-
 void SatisfactorySave::ArrayProperty::serialize(SatisfactorySave::Archive& ar) {
     if (ar.isIArchive()) {
-        array_ = Array::create(arrayType(), ar);
+        Value = Array::create(arrayType(), ar);
     } else {
-        ar << *array_;
+        ar << *Value;
     }
 }
-
-void SatisfactorySave::ArrayProperty::accept(SatisfactorySave::PropertyVisitor& v) {
-    v.visit(*this);
-}
diff --git a/libsave/src/GameTypes/Properties/SetProperty.cpp b/libsave/src/GameTypes/Properties/SetProperty.cpp
index 0069265e..746efcfb 100644
--- a/libsave/src/GameTypes/Properties/SetProperty.cpp
+++ b/libsave/src/GameTypes/Properties/SetProperty.cpp
@@ -1,11 +1,5 @@
 #include "GameTypes/Properties/SetProperty.h"
 
-#include <utility>
-
-#include "GameTypes/Properties/Base/PropertyVisitor.h"
-
-SatisfactorySave::SetProperty::SetProperty(SatisfactorySave::PropertyTag tag) : Property(std::move(tag)) {}
-
 void SatisfactorySave::SetProperty::serialize(Archive& ar) {
     // https://github.com/EpicGames/UnrealEngine/blob/4.26.2-release/Engine/Source/Runtime/CoreUObject/Private/UObject/PropertySet.cpp#L298
     int32_t NumElementsToRemove = 0;
@@ -16,12 +10,8 @@ void SatisfactorySave::SetProperty::serialize(Archive& ar) {
 
     if (ar.isIArchive()) {
         auto& inAr = dynamic_cast<IStreamArchive&>(ar);
-        set_ = Set::create(setType(), name(), inAr);
+        Value = Set::create(setType(), name(), inAr);
     } else {
-        ar << *set_;
+        ar << *Value;
     }
 }
-
-void SatisfactorySave::SetProperty::accept(SatisfactorySave::PropertyVisitor& v) {
-    v.visit(*this);
-}
diff --git a/libsave/src/GameTypes/Properties/StructProperty.cpp b/libsave/src/GameTypes/Properties/StructProperty.cpp
index e6aa261e..97c89bc3 100644
--- a/libsave/src/GameTypes/Properties/StructProperty.cpp
+++ b/libsave/src/GameTypes/Properties/StructProperty.cpp
@@ -1,15 +1,9 @@
 #include "GameTypes/Properties/StructProperty.h"
 
-#include "GameTypes/Properties/Base/PropertyVisitor.h"
-
 void SatisfactorySave::StructProperty::serialize(Archive& ar) {
     if (ar.isIArchive()) {
-        struct_ = Struct::create(structName(), ar);
+        Value = Struct::create(structName(), ar);
     } else {
-        ar << *struct_;
+        ar << *Value;
     }
 }
-
-void SatisfactorySave::StructProperty::accept(SatisfactorySave::PropertyVisitor& v) {
-    v.visit(*this);
-}
diff --git a/libsavepy/GameTypes/Properties.cpp b/libsavepy/GameTypes/Properties.cpp
index 4bf2eab5..28521195 100644
--- a/libsavepy/GameTypes/Properties.cpp
+++ b/libsavepy/GameTypes/Properties.cpp
@@ -64,7 +64,7 @@ void init_GameTypes_Properties(py::module_& m) {
         ;
 
     py::class_<s::ArrayProperty, s::Property>(m, "ArrayProperty")
-        .def(py::init<s::PropertyTag>())
+        .def(py::init<>())
         //.def_readwrite("Value", &s::ArrayProperty::Value) // TODO
         ;
 
@@ -125,7 +125,7 @@ void init_GameTypes_Properties(py::module_& m) {
         .def_readwrite("Value", &s::ObjectProperty::Value);
 
     py::class_<s::SetProperty, s::Property>(m, "SetProperty")
-        //.def(py::init<s::PropertyTag>()) // TODO
+        .def(py::init<>())
         // TODO
         ;
 
@@ -138,7 +138,7 @@ void init_GameTypes_Properties(py::module_& m) {
         .def_readwrite("Value", &s::StrProperty::Value);
 
     py::class_<s::StructProperty, s::Property>(m, "StructProperty")
-        .def(py::init<s::PropertyTag>())
+        .def(py::init<>())
         // TODO
         ;
 
diff --git a/map/src/MapWindow/DataView/ModelManager.cpp b/map/src/MapWindow/DataView/ModelManager.cpp
index 3448cd09..25a49ea7 100644
--- a/map/src/MapWindow/DataView/ModelManager.cpp
+++ b/map/src/MapWindow/DataView/ModelManager.cpp
@@ -187,7 +187,7 @@ std::size_t Satisfactory3DMap::ModelManager::loadAsset(const std::string& classN
             asset << instanceDataProperties;
 
             const auto* instances = dynamic_cast<SatisfactorySave::StructArray*>(
-                instanceDataProperties.get<SatisfactorySave::ArrayProperty>("Instances").array().get());
+                instanceDataProperties.get<SatisfactorySave::ArrayProperty>("Instances").Value.get());
             if (instances == nullptr || instances->Values.empty()) {
                 throw std::runtime_error("Instances not found or empty!");
             }
@@ -233,7 +233,7 @@ std::size_t Satisfactory3DMap::ModelManager::loadAsset(const std::string& classN
 
     glm::mat4 translationMx(1.0f);
     try {
-        const auto& locationStructProp = properties.get<SatisfactorySave::StructProperty>("RelativeLocation").value();
+        const auto& locationStructProp = properties.get<SatisfactorySave::StructProperty>("RelativeLocation").Value;
         const auto* locationStruct = dynamic_cast<const SatisfactorySave::VectorStruct*>(locationStructProp.get());
         if (locationStruct != nullptr) {
             translationMx = glm::translate(glm::mat4(1.0f), glmCast(locationStruct->Data));
@@ -242,7 +242,7 @@ std::size_t Satisfactory3DMap::ModelManager::loadAsset(const std::string& classN
 
     glm::mat4 rotationMx(1.0f);
     try {
-        const auto& rotationStructProp = properties.get<SatisfactorySave::StructProperty>("RelativeRotation").value();
+        const auto& rotationStructProp = properties.get<SatisfactorySave::StructProperty>("RelativeRotation").Value;
         const auto* rotationStruct = dynamic_cast<const SatisfactorySave::RotatorStruct*>(rotationStructProp.get());
         if (rotationStruct != nullptr) {
             rotationMx = glm::toMat4(glmCast(rotationStruct->Data.Quaternion()));
@@ -288,17 +288,17 @@ Satisfactory3DMap::ModelManager::MeshInfo Satisfactory3DMap::ModelManager::getSt
     try {
         const auto& relativeTransform = instanceData->Data.get<SatisfactorySave::StructProperty>("RelativeTransform");
         const auto* relativeTransformStruct =
-            dynamic_cast<SatisfactorySave::PropertyStruct*>(relativeTransform.value().get());
+            dynamic_cast<SatisfactorySave::PropertyStruct*>(relativeTransform.Value.get());
         if (relativeTransformStruct == nullptr) {
             throw std::runtime_error("Bad struct type!");
         }
 
         const auto* Rotation = dynamic_cast<const SatisfactorySave::QuatStruct*>(
-            relativeTransformStruct->Data.get<SatisfactorySave::StructProperty>("Rotation").value().get());
+            relativeTransformStruct->Data.get<SatisfactorySave::StructProperty>("Rotation").Value.get());
         const auto* Translation = dynamic_cast<const SatisfactorySave::VectorStruct*>(
-            relativeTransformStruct->Data.get<SatisfactorySave::StructProperty>("Translation").value().get());
+            relativeTransformStruct->Data.get<SatisfactorySave::StructProperty>("Translation").Value.get());
         const auto* Scale3D = dynamic_cast<const SatisfactorySave::VectorStruct*>(
-            relativeTransformStruct->Data.get<SatisfactorySave::StructProperty>("Scale3D").value().get());
+            relativeTransformStruct->Data.get<SatisfactorySave::StructProperty>("Scale3D").Value.get());
         if (Rotation == nullptr || Translation == nullptr || Scale3D == nullptr) {
             throw std::runtime_error("Bad struct types!");
         }
diff --git a/map/src/MapWindow/DataView/SplineData.cpp b/map/src/MapWindow/DataView/SplineData.cpp
index df6c345b..5eb6efc9 100644
--- a/map/src/MapWindow/DataView/SplineData.cpp
+++ b/map/src/MapWindow/DataView/SplineData.cpp
@@ -21,7 +21,7 @@ namespace {
             throw std::runtime_error("Expect StructProperty!");
         }
 
-        auto& sa = dynamic_cast<SatisfactorySave::StructArray&>(*ap.array());
+        auto& sa = dynamic_cast<SatisfactorySave::StructArray&>(*ap.Value);
         if (sa.structName() != "SplinePointData") {
             throw std::runtime_error("Expect SplinePointData!");
         }
@@ -32,11 +32,11 @@ namespace {
             if (ps.Data.size() != 3) {
                 throw std::runtime_error("Unexpected struct size!");
             }
-            const auto& locationStruct = *dynamic_cast<const SatisfactorySave::StructProperty&>(ps.Data.at(0)).value();
+            const auto& locationStruct = *dynamic_cast<const SatisfactorySave::StructProperty&>(ps.Data.at(0)).Value;
             const auto& arriveTangentStruct =
-                *dynamic_cast<const SatisfactorySave::StructProperty&>(ps.Data.at(1)).value();
+                *dynamic_cast<const SatisfactorySave::StructProperty&>(ps.Data.at(1)).Value;
             const auto& leaveTangentStruct =
-                *dynamic_cast<const SatisfactorySave::StructProperty&>(ps.Data.at(2)).value();
+                *dynamic_cast<const SatisfactorySave::StructProperty&>(ps.Data.at(2)).Value;
 
             SplinePointData data;
             data.location =
diff --git a/map/src/MapWindow/UI/PropertyTableGuiRenderer.cpp b/map/src/MapWindow/UI/PropertyTableGuiRenderer.cpp
index b8f73713..ee00c9fa 100644
--- a/map/src/MapWindow/UI/PropertyTableGuiRenderer.cpp
+++ b/map/src/MapWindow/UI/PropertyTableGuiRenderer.cpp
@@ -360,7 +360,7 @@ namespace {
         void visit(SatisfactorySave::ArrayProperty& p) override {
             ImGui::TextDisabled("ArrayType: %s", p.arrayType().toString().c_str());
             ArraySetValueGuiRenderer r(callback_);
-            p.array()->accept(r);
+            p.Value->accept(r);
         }
 
         void visit(SatisfactorySave::BoolProperty& p) override {
@@ -461,7 +461,7 @@ namespace {
         void visit(SatisfactorySave::SetProperty& p) override {
             ImGui::TextDisabled("SetType: %s", p.setType().toString().c_str());
             ArraySetValueGuiRenderer r(callback_);
-            p.set()->accept(r);
+            p.Value->accept(r);
         }
 
         void visit(SatisfactorySave::SoftObjectProperty& p) override {
@@ -479,7 +479,7 @@ namespace {
             ImGui::Text("%s", p.structName().toString().c_str());
             ImGui::TextDisabled("%s", p.structGuid().toString().c_str());
             StructValueGuiRenderer s(callback_);
-            p.value()->accept(s);
+            p.Value->accept(s);
         }
 
         void visit(SatisfactorySave::TextProperty& p) override {