Decking Replacement

Roofing terms · plain-language definition, with its source

Roofing terms · definition

Replacing deteriorated roof sheathing during a tear-off — a common change-order cost only revealed once the old roof is off.

Source: Wikipedia — Roof Deck

Where this comes up on this site

  • Sheathing

    The structural panel layer (plywood or OSB) attached to studs or rafters that braces the frame and provides a base for siding, roofing, o…

  • Tear-Off

    Complete removal of the old roof to the deck before re-roofing — allows deck inspection and a proper new system. The recommended approach…

  • Deductible

    The amount the homeowner pays before insurance contributes. Some policies carry a separate, higher wind/hail deductible.

  • Decking

    The structural panel surface (plywood/OSB) fastened to rafters or trusses that everything else is attached to. Rotted decking is replaced…

  • Designer / Luxury Shingle

    Premium heavyweight asphalt shingles mimicking slate or shake, the top asphalt tier in cost and appearance.

  • Cricket / Saddle

    A small peaked structure built behind a chimney or wide penetration to divert water around it. Code-required above a chimney width thresh…

  • Dormer

    A roofed projection with a window through the roof slope, adding light and headroom — and several extra flashing/leak details.

  • Cover Board

    A rigid board over insulation on a low-slope roof providing a durable substrate for the membrane and better impact resistance.

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