diff --git a/docx-core/src/documents/document.rs b/docx-core/src/documents/document.rs
index a79d368..bc5bacb 100644
--- a/docx-core/src/documents/document.rs
+++ b/docx-core/src/documents/document.rs
@@ -1,10 +1,11 @@
-use super::{Paragraph, Table};
+use super::{Paragraph, SectionProperty, Table};
 use crate::documents::BuildXML;
 use crate::xml_builder::*;
 
 #[derive(Debug)]
 pub struct Document {
     pub(crate) children: Vec<DocumentChild>,
+    pub section_property: SectionProperty,
 }
 
 #[derive(Debug, Clone)]
@@ -33,6 +34,7 @@ impl Default for Document {
     fn default() -> Self {
         Self {
             children: Vec::new(),
+            section_property: SectionProperty::new(),
         }
     }
 }
@@ -49,7 +51,7 @@ impl BuildXML for Document {
                 DocumentChild::Table(t) => b = b.add_child(t),
             }
         }
-        b.close().close().build()
+        b.add_child(&self.section_property).close().close().build()
     }
 }
 
@@ -71,7 +73,9 @@ mod tests {
             str::from_utf8(&b).unwrap(),
             r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <w:document xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:w10="urn:schemas-microsoft-com:office:word" xmlns:wp="http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing" xmlns:wps="http://schemas.microsoft.com/office/word/2010/wordprocessingShape" xmlns:wpg="http://schemas.microsoft.com/office/word/2010/wordprocessingGroup" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:wp14="http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing" xmlns:w14="http://schemas.microsoft.com/office/word/2010/wordml" mc:Ignorable="w14 wp14">
-  <w:body><w:p><w:pPr><w:pStyle w:val="Normal" /><w:rPr /></w:pPr><w:r><w:rPr /><w:t xml:space="preserve">Hello</w:t></w:r></w:p></w:body>
+  <w:body><w:p><w:pPr><w:pStyle w:val="Normal" /><w:rPr /></w:pPr><w:r><w:rPr /><w:t xml:space="preserve">Hello</w:t></w:r></w:p><w:sectPr><w:pgSz w:w="11906" w:h="16838" /><w:pgMar w:top="1985" w:right="1701" w:bottom="1701" w:left="1701" w:header="851" w:footer="992" w:gutter="0" /><w:cols w:space="425" />
+  <w:docGrid w:type="lines" w:linePitch="360" />
+</w:sectPr></w:body>
 </w:document>"#
         );
     }
diff --git a/docx-core/src/documents/elements/mod.rs b/docx-core/src/documents/elements/mod.rs
index d1b534e..b747e47 100644
--- a/docx-core/src/documents/elements/mod.rs
+++ b/docx-core/src/documents/elements/mod.rs
@@ -30,6 +30,8 @@ mod number_format;
 mod numbering;
 mod numbering_id;
 mod numbering_property;
+mod page_margin;
+mod page_size;
 mod paragraph;
 mod paragraph_property;
 mod paragraph_style;
@@ -37,6 +39,7 @@ mod q_format;
 mod run;
 mod run_property;
 mod run_property_default;
+mod section_property;
 mod start;
 mod style;
 mod sz;
@@ -92,6 +95,8 @@ pub use number_format::*;
 pub use numbering::*;
 pub use numbering_id::*;
 pub use numbering_property::*;
+pub use page_margin::*;
+pub use page_size::*;
 pub use paragraph::*;
 pub use paragraph_property::*;
 pub use paragraph_style::*;
@@ -99,6 +104,7 @@ pub use q_format::*;
 pub use run::*;
 pub use run_property::*;
 pub use run_property_default::*;
+pub use section_property::*;
 pub use start::*;
 pub use style::*;
 pub use sz::*;
diff --git a/docx-core/src/documents/elements/page_margin.rs b/docx-core/src/documents/elements/page_margin.rs
new file mode 100644
index 0000000..8bb2ecb
--- /dev/null
+++ b/docx-core/src/documents/elements/page_margin.rs
@@ -0,0 +1,93 @@
+use crate::documents::BuildXML;
+use crate::xml_builder::*;
+
+#[derive(Debug, Clone)]
+pub struct PageMargin {
+    top: usize,
+    left: usize,
+    bottom: usize,
+    right: usize,
+    header: usize,
+    footer: usize,
+    gutter: usize,
+}
+
+// These values were based on microsoft office word2019 windows edition.
+// <w:pgMar w:top="1985" w:right="1701" w:bottom="1701" w:left="1701" w:header="851" w:footer="992" w:gutter="0"/>
+impl Default for PageMargin {
+    fn default() -> PageMargin {
+        PageMargin {
+            top: 1985,
+            left: 1701,
+            bottom: 1701,
+            right: 1701,
+            header: 851,
+            footer: 992,
+            gutter: 0,
+        }
+    }
+}
+
+impl PageMargin {
+    pub fn new() -> PageMargin {
+        Default::default()
+    }
+
+    pub fn top(self, v: usize) -> PageMargin {
+        PageMargin { top: v, ..self }
+    }
+
+    pub fn left(self, v: usize) -> PageMargin {
+        PageMargin { left: v, ..self }
+    }
+
+    pub fn bottom(self, v: usize) -> PageMargin {
+        PageMargin { bottom: v, ..self }
+    }
+
+    pub fn right(self, v: usize) -> PageMargin {
+        PageMargin { right: v, ..self }
+    }
+
+    pub fn header(self, v: usize) -> PageMargin {
+        PageMargin { header: v, ..self }
+    }
+
+    pub fn gutter(self, v: usize) -> PageMargin {
+        PageMargin { gutter: v, ..self }
+    }
+}
+
+impl BuildXML for PageMargin {
+    fn build(&self) -> Vec<u8> {
+        XMLBuilder::new()
+            .page_margin(
+                &format!("{}", self.top),
+                &format!("{}", self.right),
+                &format!("{}", self.bottom),
+                &format!("{}", self.left),
+                &format!("{}", self.header),
+                &format!("{}", self.footer),
+                &format!("{}", self.gutter),
+            )
+            .build()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    #[cfg(test)]
+    use pretty_assertions::assert_eq;
+    use std::str;
+
+    #[test]
+    fn test_page_margin_default() {
+        let b = PageMargin::new().build();
+        assert_eq!(
+            str::from_utf8(&b).unwrap(),
+            r#"<w:pgMar w:top="1985" w:right="1701" w:bottom="1701" w:left="1701" w:header="851" w:footer="992" w:gutter="0" />"#
+        );
+    }
+}
diff --git a/docx-core/src/documents/elements/page_size.rs b/docx-core/src/documents/elements/page_size.rs
new file mode 100644
index 0000000..f3ccefb
--- /dev/null
+++ b/docx-core/src/documents/elements/page_size.rs
@@ -0,0 +1,52 @@
+use crate::documents::BuildXML;
+use crate::xml_builder::*;
+
+#[derive(Debug, Clone)]
+pub struct PageSize {
+    w: usize,
+    h: usize,
+}
+
+// These values were based on microsoft office word2019 windows edition.
+// <w:pgSz w:w="11906" w:h="16838"/>
+impl Default for PageSize {
+    fn default() -> PageSize {
+        PageSize { w: 11906, h: 16838 }
+    }
+}
+
+impl PageSize {
+    pub fn new() -> PageSize {
+        Default::default()
+    }
+
+    pub fn size(self, w: usize, h: usize) -> PageSize {
+        PageSize { w, h }
+    }
+}
+
+impl BuildXML for PageSize {
+    fn build(&self) -> Vec<u8> {
+        XMLBuilder::new()
+            .page_size(&format!("{}", self.w), &format!("{}", self.h))
+            .build()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    #[cfg(test)]
+    use pretty_assertions::assert_eq;
+    use std::str;
+
+    #[test]
+    fn test_page_size_default() {
+        let b = PageSize::new().build();
+        assert_eq!(
+            str::from_utf8(&b).unwrap(),
+            r#"<w:pgSz w:w="11906" w:h="16838" />"#
+        );
+    }
+}
diff --git a/docx-core/src/documents/elements/section_property.rs b/docx-core/src/documents/elements/section_property.rs
new file mode 100644
index 0000000..aee38b2
--- /dev/null
+++ b/docx-core/src/documents/elements/section_property.rs
@@ -0,0 +1,62 @@
+use super::*;
+use crate::documents::BuildXML;
+use crate::xml_builder::*;
+
+#[derive(Debug, Clone)]
+pub struct SectionProperty {
+    page_size: PageSize,
+    page_margin: PageMargin,
+    columns: usize,
+    document_grid: usize,
+}
+
+impl SectionProperty {
+    pub fn new() -> SectionProperty {
+        Default::default()
+    }
+}
+
+impl Default for SectionProperty {
+    fn default() -> Self {
+        Self {
+            page_size: PageSize::new(),
+            page_margin: PageMargin::new(),
+            columns: 425,
+            document_grid: 360,
+        }
+    }
+}
+
+impl BuildXML for SectionProperty {
+    fn build(&self) -> Vec<u8> {
+        let b = XMLBuilder::new();
+        b.open_section_property()
+            .add_child(&self.page_size)
+            .add_child(&self.page_margin)
+            .columns(&format!("{}", &self.columns))
+            .document_grid("lines", &format!("{}", &self.document_grid))
+            .close()
+            .build()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    #[cfg(test)]
+    use pretty_assertions::assert_eq;
+    use std::str;
+
+    #[test]
+    fn test_section_property_default() {
+        let c = SectionProperty::new();
+        let b = c.build();
+        assert_eq!(
+            str::from_utf8(&b).unwrap(),
+            r#"<w:sectPr><w:pgSz w:w="11906" w:h="16838" /><w:pgMar w:top="1985" w:right="1701" w:bottom="1701" w:left="1701" w:header="851" w:footer="992" w:gutter="0" /><w:cols w:space="425" />
+  <w:docGrid w:type="lines" w:linePitch="360" />
+</w:sectPr>"#
+        );
+    }
+}
diff --git a/docx-core/src/xml_builder/elements.rs b/docx-core/src/xml_builder/elements.rs
index 632809b..2bdbf4f 100644
--- a/docx-core/src/xml_builder/elements.rs
+++ b/docx-core/src/xml_builder/elements.rs
@@ -152,20 +152,22 @@ impl XMLBuilder {
     only_str_val_el!(family, "w:family");
     only_str_val_el!(charset, "w:charset");
 
-    only_usize_val_el!(section_property, "w:sectPr");
+    opened_el!(open_section_property, "w:sectPr");
     only_str_val_el!(type_tag, "w:type");
     closed_el!(page_size, "w:pgSz", "w:w", "w:h");
     closed_el!(
         page_margin,
         "w:pgMar",
-        "w:left",
-        "w:right",
-        "w:header",
         "w:top",
-        "w:footer",
+        "w:right",
         "w:bottom",
+        "w:left",
+        "w:header",
+        "w:footer",
         "w:gutter"
     );
+    closed_el!(columns, "w:cols", "w:space");
+    closed_el!(document_grid, "w:docGrid", "w:type", "w:linePitch");
 
     opened_el!(open_insert, "w:ins", "w:id", "w:author", "w:date");
     opened_el!(open_delete, "w:del", "w:id", "w:author", "w:date");
diff --git a/docx-wasm/pkg/index_bg.wasm b/docx-wasm/pkg/index_bg.wasm
index 4bfe8d5..0f5201c 100644
Binary files a/docx-wasm/pkg/index_bg.wasm and b/docx-wasm/pkg/index_bg.wasm differ