{"product_id":"endura-adjustable-cap-sill™-full-narrow-all-aluminum-inswing-threshold-choose-width-finish-door-length","title":"Endura Adjustable Cap Sill™ Full Narrow All-Aluminum Inswing Threshold, Choose Width, Finish \u0026 Door Length","description":"\u003cp\u003ePart Numbers : \u003cstrong\u003eZAIAA36\u003c\/strong\u003e\u003cb\u003e, ZAIAA45, ZAIAA\u003cstrong\u003e56.\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-start=\"339\" data-end=\"585\"\u003eThe \u003cstrong data-start=\"343\" data-end=\"397\"\u003eEndura Z-Series ZAA3685FN Adjustable Cap Door Sill\u003c\/strong\u003e is designed with a durable \u003cstrong data-start=\"425\" data-end=\"487\"\u003eall-aluminum construction and advanced composite substrate\u003c\/strong\u003e, providing long-lasting performance and dependable weather protection for exterior inswing doors.\u003c\/p\u003e\n\u003cp data-start=\"587\" data-end=\"883\"\u003eFeaturing the \u003cstrong data-start=\"601\" data-end=\"632\"\u003eZAIAA adjustable cap system\u003c\/strong\u003e, this sill allows the threshold cap height to be precisely adjusted after installation. The adjustable design ensures proper contact between the door sweep and the sill, helping reduce drafts, water infiltration, and debris entering beneath the door.\u003c\/p\u003e\n\u003cp data-start=\"885\" data-end=\"1052\"\u003eThis high-performance sill system is engineered for residential entry doors and French door systems where durability, adjustability, and weather sealing are essential.\u003c\/p\u003e\n\u003cp data-start=\"1080\" data-end=\"1109\"\u003e\u003cstrong data-start=\"1080\" data-end=\"1091\"\u003eSeries:\u003c\/strong\u003e Endura Z-Series\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1099\" data-end=\"1121\"\u003e\n\u003cstrong data-start=\"1099\" data-end=\"1109\"\u003eModel:\u003c\/strong\u003e ZAA3685FN, \u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Calibri',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eZAA4565FN, ZAA5625FN\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1099\" data-end=\"1121\"\u003e\n\u003cstrong data-start=\"1124\" data-end=\"1139\"\u003eSill Width:\u003c\/strong\u003e 3-11\/16\", \u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Calibri',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003e4-9\/16\", 5-5\/8\".\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"whyt0u\" data-start=\"1164\" data-end=\"1204\"\u003e\n\u003cp data-start=\"1166\" data-end=\"1204\"\u003e\u003cstrong data-start=\"1166\" data-end=\"1179\"\u003eCap Type:\u003c\/strong\u003e Adjustable Cap (ZAIAA)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qle5d1\" data-start=\"1205\" data-end=\"1269\"\u003e\n\u003cp data-start=\"1207\" data-end=\"1269\"\u003e\u003cstrong data-start=\"1207\" data-end=\"1224\"\u003eConstruction:\u003c\/strong\u003e All-aluminum sill with composite substrate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sbjv1p\" data-start=\"1270\" data-end=\"1358\"\u003e\n\u003cp data-start=\"1272\" data-end=\"1358\"\u003e\u003cstrong data-start=\"1272\" data-end=\"1288\"\u003eApplication:\u003c\/strong\u003e Exterior inswing door thresholds for single and French door systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r5ck1e\" data-start=\"1359\" data-end=\"1437\"\u003e\n\u003cp data-start=\"1361\" data-end=\"1437\"\u003e\u003cstrong data-start=\"1361\" data-end=\"1374\"\u003eMaterial:\u003c\/strong\u003e Heavy-duty extruded aluminum sill with adjustable cap system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"104e1qk\" data-start=\"1438\" data-end=\"1485\"\u003e\n\u003cp data-start=\"1440\" data-end=\"1485\"\u003e\u003cstrong data-start=\"1440\" data-end=\"1459\"\u003eFinish Options:\u003c\/strong\u003e Mill Aluminum or Bronze\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zdzz9c\" data-start=\"1486\" data-end=\"1541\"\u003e\n\u003cp data-start=\"1488\" data-end=\"1541\"\u003e\u003cstrong data-start=\"1488\" data-end=\"1511\"\u003eDoor Compatibility:\u003c\/strong\u003e Exterior inswing door units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19h8fww\" data-start=\"1542\" data-end=\"1613\"\u003e\n\u003cp data-start=\"1544\" data-end=\"1613\"\u003e\u003cstrong data-start=\"1544\" data-end=\"1561\"\u003eInstallation:\u003c\/strong\u003e Suitable for new construction or door replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6hdsid\" data-start=\"1614\" data-end=\"1697\"\u003e\n\u003cp data-start=\"1616\" data-end=\"1697\"\u003e\u003cstrong data-start=\"1616\" data-end=\"1632\"\u003ePerformance:\u003c\/strong\u003e Designed for reliable sealing and long-term threshold durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"txrr2f\" data-start=\"1097\" data-end=\"1121\"\u003e\n\u003cp data-start=\"1099\" data-end=\"1121\"\u003e\u003cstrong data-start=\"1099\" data-end=\"1109\"\u003eModel:\u003c\/strong\u003e ZAA3685FN, \u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Calibri',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eZAA4565FN, ZAA5625FN\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1s9rh5m\" data-start=\"1122\" data-end=\"1150\"\u003e\n\u003cp data-start=\"1124\" data-end=\"1150\"\u003e\u003cstrong data-start=\"1124\" data-end=\"1139\"\u003eSill Width:\u003c\/strong\u003e 3-11\/16\", \u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Calibri',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003e4-9\/16\", 5-5\/8\".\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"u0ybrq\" data-start=\"2197\" data-end=\"2211\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"2213\" data-end=\"2896\"\u003e\n\u003cli data-section-id=\"njk19z\" data-start=\"2213\" data-end=\"2315\"\u003e\n\u003cp data-start=\"2215\" data-end=\"2315\"\u003e\u003cstrong data-start=\"2215\" data-end=\"2244\"\u003eAdjustable Cap Technology\u003c\/strong\u003e – Height-adjustable cap allows precise sealing against the door sweep.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1c09b51\" data-start=\"2317\" data-end=\"2417\"\u003e\n\u003cp data-start=\"2319\" data-end=\"2417\"\u003e\u003cstrong data-start=\"2319\" data-end=\"2348\"\u003eAll-Aluminum Construction\u003c\/strong\u003e – Durable extruded aluminum sill designed for long-term performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5ljzt1\" data-start=\"2419\" data-end=\"2513\"\u003e\n\u003cp data-start=\"2421\" data-end=\"2513\"\u003e\u003cstrong data-start=\"2421\" data-end=\"2452\"\u003eComposite Substrate Support\u003c\/strong\u003e – Reinforced base structure improves strength and stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nr2t55\" data-start=\"2515\" data-end=\"2598\"\u003e\n\u003cp data-start=\"2517\" data-end=\"2598\"\u003e\u003cstrong data-start=\"2517\" data-end=\"2548\"\u003eEnhanced Weather Protection\u003c\/strong\u003e – Helps block drafts, moisture, dust, and debris.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7yvemk\" data-start=\"2600\" data-end=\"2689\"\u003e\n\u003cp data-start=\"2602\" data-end=\"2689\"\u003e\u003cstrong data-start=\"2602\" data-end=\"2634\"\u003eExterior Inswing Door Design\u003c\/strong\u003e – Engineered specifically for doors that swing inward.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6x4bz8\" data-start=\"2691\" data-end=\"2791\"\u003e\n\u003cp data-start=\"2693\" data-end=\"2791\"\u003e\u003cstrong data-start=\"2693\" data-end=\"2731\"\u003eProfessional Door System Component\u003c\/strong\u003e – Part of the Endura Z-Series high-performance sill system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ir6rbs\" data-start=\"2793\" data-end=\"2896\"\u003e\n\u003cp data-start=\"2795\" data-end=\"2896\"\u003e\u003cstrong data-start=\"2795\" data-end=\"2821\"\u003eLow Maintenance Design\u003c\/strong\u003e – Screw covers help prevent debris buildup and maintain smooth adjustment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Note: we know it’s fun to door-it-yourself, we recommend hiring a professional to replace your sill system. This product is recommended for uninstalled doors and professional use only.\u003c\/p\u003e","brand":"Endura","offers":[{"title":"3-11\/16\" (Retrofit) \/ Mill \/ 2\/6 (30\")","offer_id":47598248100061,"sku":"ZAIAA36MFN","price":52.04,"currency_code":"USD","in_stock":true},{"title":"3-11\/16\" (Retrofit) \/ Mill \/ 2\/8 (32\")","offer_id":47598248132829,"sku":"ZAIAA36MFN","price":52.04,"currency_code":"USD","in_stock":true},{"title":"3-11\/16\" (Retrofit) \/ Mill \/ 3\/0 (36\")","offer_id":47598248165597,"sku":"ZAIAA36MFN","price":26.55,"currency_code":"USD","in_stock":true},{"title":"3-11\/16\" (Retrofit) \/ Mill \/ 5\/0 (60\" double door)","offer_id":47598248198365,"sku":"ZAIAA36MFN","price":122.84,"currency_code":"USD","in_stock":true},{"title":"3-11\/16\" (Retrofit) \/ Mill \/ 5\/4 (64\" double door)","offer_id":47598248231133,"sku":"ZAIAA36MFN","price":122.84,"currency_code":"USD","in_stock":true},{"title":"3-11\/16\" (Retrofit) \/ Mill \/ 6\/0 (72\" French door 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