Roof Substrate Definition

Roof substrate movement is a condition where the substrate or roof deck in residential properties expands and contracts.

Roof substrate definition.

The exposed portion of strip shingles defined by cutouts. The primary function of a deck is to act as a unifying structural diaphragm by tying all the components of a roof together. The sizes and proportions of small particles and their packing inside the large pores make a major contribution to the amount of water the mix can retain. A substrate is the surface upon which a roofing system is applied.

Choice roof contractors select particular conklin roofing systems for roof repairs and restoration projects depending on the substrate that currently exists on the commercial roof. An intentional depression around a roof drain or scupper that serves to promote drainage. This causes the decking material to buckle or have gaps that can result in conditions that may require major roof repair. It acts as a base to which the metal roof material is attached securing the fasteners and clips used to hold the panel.

It often is used in part to support vapor retarders and air barriers. There are a variety of steel substrates and coatings available in the marketplace and the wrong selection could result in disappointment and reduced service life. What causes roof substrate movement. If these substrate panels are installed too close to each other they could push into each other as they expand from the heat resulting in buckling.

Fasteners and clips would be attached into the substructure. The surface upon which the roofing or waterproofing membrane is applied e g in roofing the structural deck or insulation. When shopping for metal roofing purchasers must be vigilant to ensure the substrate and coating on the metal panels they choose will match their long term performance expectations. There are many different types available including options for green roofs and fsc sustainably sourced and produced types.

In construction a roof deck is also known as sheathing or substrate. It can be the roof deck an insulation system or a complete preexisting roof system. In this blog we look at the causes of roof substrate movement. Roof substrates otherwise known as roof decking or rigid sarking support other roof elements such as vapour control layers insulation and roof finishes.

Deck substrate a roof deck is a roofing material layer installed on top of the rafters and right under the insulating layers of underlayment. The substrate or decking material typically plywood or oriented strand board osb expand and contract when exposed to heat resulting in roof substrate movement.