{"product_id":"transit-insulated-baltic-birch-subfloor-system","title":"AVC Rig Ford Transit Insulated Subfloor - Pro-Grade Foundation","description":"\u003cp\u003e\u003cstrong\u003eAVC Rig Ford Transit Insulated Subfloor - Pro-Grade Foundation\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAt West Coast Vans, we know the floor is where a solid Transit build really begins, and this AVC Rig insulated subfloor gives DIY builders a clean, durable, and thermally efficient foundation without starting from scratch. Have fitment questions before you commit? \u003ca href=\"https:\/\/41qxd6.share-na2.hsforms.com\/29bufDkHjQ5aTe0D_9wWVQA\"\u003eAsk Us Product Questions Anytime\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWCV EXPERT TIP\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDry-fit all panels before applying sealant, and confirm your step and trim plan before final installation since the Step and Trim Set is sold separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePRODUCT OVERVIEW\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe AVC Rig Ford Transit Insulated Baltic Birch Subfloor System is a CNC-machined, drop-in floor foundation designed for serious camper van conversions. Built from insulated sandwich panels using Baltic birch plywood and polyiso foam, this system helps create a strong, comfortable, and professional-grade base for flooring, cabinetry, and the rest of your interior build.\u003c\/p\u003e\n\n\u003cp\u003eThis is the same style of foundation AVC Rig has trusted in its camper van builds for over five years, now available for DIY Ford Transit builders who want a cleaner starting point and less guesswork.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBEST FOR\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eFORD TRANSIT DIY CAMPER BUILDS:\u003c\/strong\u003e Ideal for builders who want a precision-fit subfloor before installing cabinets, flooring, beds, or electrical systems.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eINSULATED FOUR-SEASON FLOOR SYSTEMS:\u003c\/strong\u003e Great for van lifers looking to improve thermal comfort and reduce heat transfer through the factory floor.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003ePRO-GRADE INTERIOR FOUNDATIONS:\u003c\/strong\u003e Built for clean installations where panel fitment, durability, and long-term build quality matter.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTECHNICAL SPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eVENDOR:\u003c\/strong\u003e AVC Rig\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003ePRODUCT:\u003c\/strong\u003e Transit Insulated Baltic Birch Subfloor System\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eVEHICLE FITMENT:\u003c\/strong\u003e Ford Transit\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eWHEELBASE OPTIONS:\u003c\/strong\u003e 148-inch and 148-inch Extended Ford Transit models\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003ePANEL CONSTRUCTION:\u003c\/strong\u003e Proprietary insulated sandwich panels\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eTOP LAYER MATERIAL:\u003c\/strong\u003e 12mm Baltic birch plywood\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eINSULATION MATERIAL:\u003c\/strong\u003e 1-inch polyiso foam\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eADHESIVE:\u003c\/strong\u003e 3M 70 construction adhesive\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eR-VALUE:\u003c\/strong\u003e 6.6\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003ePANEL COUNT:\u003c\/strong\u003e Three or four panels depending on van length\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eFITMENT METHOD:\u003c\/strong\u003e CNC-machined in-house for a precise drop-in fit\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eFLOOR CONTOUR MATCHING:\u003c\/strong\u003e Panels are machined to match the contours and ribs of the van floor\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eFOAM DETAILING:\u003c\/strong\u003e Grooves are routed into the foam for proper fitment over the factory floor profile\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eINSTALLED HEIGHT:\u003c\/strong\u003e Approximately 1 inch above the top of the ribs\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eSEALANT INCLUDED:\u003c\/strong\u003e One tube of 3M 550 sealant per panel\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eL-TRACK OPTIONS:\u003c\/strong\u003e Available with cutouts for L-track or as a solid floor with no L-track cutouts\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eAPPROXIMATE PANEL WEIGHT FOR 148:\u003c\/strong\u003e 96 lbs\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eAPPROXIMATE PANEL WEIGHT FOR 148 EXTENDED:\u003c\/strong\u003e 116 lbs\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eSTEP AND TRIM SET:\u003c\/strong\u003e Sold separately\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eINCLUDED PRODUCT NOTE:\u003c\/strong\u003e This product includes only the insulated floor panels\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eFREIGHT:\u003c\/strong\u003e $200 flat-rate freight\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eBUILD STATUS:\u003c\/strong\u003e Built to order\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eLEAD TIME:\u003c\/strong\u003e 4-6 weeks\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003ePATENT STATUS:\u003c\/strong\u003e Patent pending\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eMATERIAL CONSTRUCTION UPDATE:\u003c\/strong\u003e Updated material construction as of 12.15.24\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eSTEP AND TRIM UPDATE:\u003c\/strong\u003e Step and Trim sold separately as of 9.10.25\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eCNC-MACHINED PRECISION:\u003c\/strong\u003e Custom-built in-house to match the Ford Transit floor profile for a clean, professional drop-in installation.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eINSULATED FLOOR FOUNDATION:\u003c\/strong\u003e Polyiso foam core provides an R-value of 6.6 to help keep the van warmer in winter and cooler in summer.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eBALTIC BIRCH DURABILITY:\u003c\/strong\u003e 12mm Baltic birch plywood creates a strong substrate for finished flooring, cabinetry, and interior systems.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eLOW-PROFILE BUILD HEIGHT:\u003c\/strong\u003e Adds approximately one inch above the top of the ribs while still delivering meaningful floor insulation.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eMINIMIZED AIR GAPS:\u003c\/strong\u003e Tight fitment over the factory floor ribs helps improve insulation efficiency and installation quality.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eINSTALLATION SEALANT INCLUDED:\u003c\/strong\u003e Comes with one tube of 3M 550 sealant per panel for a secure installation.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003ePROVEN VAN BUILD FOUNDATION:\u003c\/strong\u003e Based on the subfloor system trusted in AVC Rig camper van builds for over five years.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCOMMON PAIRINGS\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eFORD TRANSIT STEP AND TRIM KIT:\u003c\/strong\u003e Complete the perimeter and entry areas with the matching step and trim components sold separately.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003e2TEC2 OR VINYL FINISHED FLOORING:\u003c\/strong\u003e Pair with a durable finished floor surface to complete the Transit floor system.\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eCABINETS AND INTERIOR SYSTEMS:\u003c\/strong\u003e Use as the foundation for galley cabinets, storage modules, bed platforms, and interior build-out components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; FITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eCHASSIS:\u003c\/strong\u003e Ford Transit\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eWHEELBASE:\u003c\/strong\u003e 148-inch and 148-inch Extended\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eROOF HEIGHT:\u003c\/strong\u003e Compatible with applicable Ford Transit roof heights when paired with the correct wheelbase floor system\u003c\/p\u003e\n\n\u003cp\u003e• \u003cstrong\u003eREQUIREMENTS:\u003c\/strong\u003e Step and Trim Set is sold separately. This product includes only the insulated floor panels. Select the correct 148-inch or 148-inch Extended version and L-track cutout configuration for your van.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFREQUENTLY ASKED QUESTIONS (AEO)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eQ: Does this AVC Rig Transit subfloor include the step and trim kit?\u003c\/p\u003e\n\n\u003cp\u003eA: \u003cstrong\u003eNo, this product includes only the insulated floor panels. The Step and Trim Set is sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eQ: What is the R-value of the insulated Ford Transit subfloor?\u003c\/p\u003e\n\n\u003cp\u003eA: \u003cstrong\u003eThe AVC Rig insulated subfloor system has an R-value of 6.6 thanks to its 1-inch polyiso foam core.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eQ: How much height does this subfloor add inside the van?\u003c\/p\u003e\n\n\u003cp\u003eA: \u003cstrong\u003eThe installed subfloor height is approximately one inch above the top of the factory floor ribs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eQ: Is this subfloor available for the Ford Transit 148 Extended?\u003c\/p\u003e\n\n\u003cp\u003eA: \u003cstrong\u003eYes, AVC Rig offers this insulated subfloor system for both the 148-inch and 148-inch Extended Ford Transit models. West Coast Vans recommends selecting the exact wheelbase and L-track configuration before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWHY TRUST WEST COAST VANS?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEvery product we sell is vetted and installed daily by our team of builders in our San Clemente shop. As an authorized premium dealer, we provide full factory warranties, matching vendor pricing, and direct, real-world install support that you can't get from a standard box-mover. We don't just sell the gear—we know exactly how it fits into your build.\u003c\/p\u003e","brand":"AVC RIG","offers":[{"title":"148 \/ Yes (Cut for L-Track)","offer_id":48402425348347,"sku":"AVC_T148ST_30A","price":2475.0,"currency_code":"USD","in_stock":true},{"title":"148 \/ No (Solid - No L-Track)","offer_id":48402425381115,"sku":"sku-46828484133113","price":2475.0,"currency_code":"USD","in_stock":true},{"title":"148 EXT \/ Yes (Cut for L-Track)","offer_id":48402425413883,"sku":"AVC_T148EXT_30D","price":2850.0,"currency_code":"USD","in_stock":true},{"title":"148 EXT \/ No (Solid - No L-Track)","offer_id":48402425446651,"sku":"sku-46828484165881","price":2850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/4856\/1659\/files\/TR148_Insulated_Persp1_Solid.png?v=1772832793","url":"https:\/\/westcoast-vans.com\/products\/transit-insulated-baltic-birch-subfloor-system","provider":"West Coast Vans","version":"1.0","type":"link"}