diff --git a/fusion_plating/fusion_plating_configurator/models/fp_part_catalog.py b/fusion_plating/fusion_plating_configurator/models/fp_part_catalog.py
index d18d22a0..85733956 100644
--- a/fusion_plating/fusion_plating_configurator/models/fp_part_catalog.py
+++ b/fusion_plating/fusion_plating_configurator/models/fp_part_catalog.py
@@ -288,6 +288,27 @@ class FpPartCatalog(models.Model):
              'wizard\'s "Save as Default" toggle is ticked.',
     )
 
+    # ---- Express Orders defaults (2026-05-26) ----
+    default_specification_text = fields.Text(
+        string='Default Specification (Customer-Facing)',
+        help='Pre-fills the Specification cell when this part is added to an '
+             'Express Order. Written here automatically on order confirm — '
+             'type once, reuse forever.',
+    )
+    default_bake_instructions = fields.Text(
+        string='Default Bake Instructions',
+        help='Pre-fills the Bake cell. Empty = bake step is skipped on every '
+             'order; non-empty = bake step runs and these instructions show '
+             'on the operator tablet.',
+    )
+    default_masking_enabled = fields.Boolean(
+        string='Default Masking Enabled',
+        default=True,
+        help='Default state of the Masking checkbox on Express Order lines. '
+             'When False, masking + de-masking recipe nodes are skipped at '
+             'job creation.',
+    )
+
     # Substrate density mapping (g/cm³) for material weight calculation
     _SUBSTRATE_DENSITY = {
         'aluminium': 2.70,
diff --git a/fusion_plating/fusion_plating_configurator/tests/test_express_part_defaults.py b/fusion_plating/fusion_plating_configurator/tests/test_express_part_defaults.py
new file mode 100644
index 00000000..d9d9b73f
--- /dev/null
+++ b/fusion_plating/fusion_plating_configurator/tests/test_express_part_defaults.py
@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+# Express Orders — Task A1 schema tests
+from odoo.tests.common import TransactionCase, tagged
+
+
+@tagged('post_install', '-at_install', 'fp_express')
+class TestExpressPartDefaults(TransactionCase):
+    def test_new_fields_exist(self):
+        Part = self.env['fp.part.catalog']
+        self.assertIn('default_specification_text', Part._fields)
+        self.assertIn('default_bake_instructions', Part._fields)
+        self.assertIn('default_masking_enabled', Part._fields)
+
+    def test_default_masking_enabled_default_value(self):
+        partner = self.env['res.partner'].create({'name': 'Test Customer'})
+        part = self.env['fp.part.catalog'].create({
+            'partner_id': partner.id,
+            'part_number': 'TEST-001',
+            'revision': 'A',
+            'name': 'Test Part',
+        })
+        self.assertTrue(part.default_masking_enabled)
+        self.assertFalse(part.default_specification_text)
+        self.assertFalse(part.default_bake_instructions)