{"id":"assembly","license":"CC-BY-4.0","data":{"term":"assembly","shortDef":"The combination of parts as tested or installed, such as a roof covering plus underlayment plus deck. A covering alone is not an assembly.","doNotSay":["Class A shingles"],"relatedGlossary":["class-a"],"relatedCategories":["roofing"],"relatedStandards":["astm-e108-ul-790"],"author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-23T00:00:00.000Z"}}