{"product_id":"2025-american-steel-structures-12-x-40-lean-to-addition","title":"12' x 40' Lean To Addition","description":"Here's a way to add a side lean-to for an existing building. We cannot connect it to your existing structure (for liability reasons), but will install butted up. You can add flashings after the fact to seal. This 12'x40' came in just over $12,000 + $2529 additional for a fresh 12\/40 slab! What can we build for you?","brand":"American Steel Structures","offers":[{"title":"Default Title","offer_id":46983513309345,"sku":"USA-1080","price":12423.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/2956\/0993\/files\/hero_04914cf8-f0a5-4350-b96f-7811fe991e15.png?v=1789937567","url":"https:\/\/texshed.com\/products\/2025-american-steel-structures-12-x-40-lean-to-addition","provider":"Tex Shed","version":"1.0","type":"link"}