{"id":4690,"date":"2025-05-29T18:08:54","date_gmt":"2025-05-29T18:08:54","guid":{"rendered":"https:\/\/www.felgemachermasonry.com\/roofing-copy\/?page_id=4690"},"modified":"2026-03-19T12:46:50","modified_gmt":"2026-03-19T12:46:50","slug":"truss-decking-underlayment","status":"publish","type":"page","link":"https:\/\/www.felgemachermasonry.com\/roofing\/truss-decking-underlayment\/","title":{"rendered":"Roof Truss, Decking & Underlayment Repair"},"content":{"rendered":"

The decking and truss systems of modern roofs perform very important jobs. Damage in either component can lead to structural compromises to your home and the intrusion of water, which can damage just about everything it stays in contact with.<\/span><\/p>\n

Felgemacher Roofing & Siding is a local roofing contractor serving the Rochester, NY, and Buffalo, NY, areas with routine and emergency repairs<\/a> for truss systems, roof decking and roof underlayment.<\/span><\/p>\n

\"Replacing<\/h2>\n

What Is Roof Decking?<\/h2>\n

Decking is the flat material laid over the truss frame. Typically made of wood or metal, roof decking helps to hold the entire roof system together while providing support beneath snow buildups and giving workers stability when they\u2019re up there making repairs.<\/span><\/p>\n

What Is a Roof\u2019s Truss System?<\/h2>\n

The truss system is the arrangement of wooden supports used in the construction of most roofs. Built with one or more peaks, load-bearing trusses must be installed correctly and with quality materials to allow the system to hold up under the compression and tension of the roof decking and outer roofing material, such as asphalt shingles or aluminum.<\/span><\/p>\n

What Is Roof Underlayment?<\/h2>\n

The underlayment is the material that\u2019s placed on top of the decking as a barrier against moisture and to create a smooth, flat surface for attaching the shingles or other roofing material. Underlayment is often made of felt or various synthetic materials.<\/span><\/p>\n

How Damage Occurs<\/h2>\n

A number of things can cause damage to a roof\u2019s truss, decking or underlayment components. Examples:<\/span><\/p>\n