Roof Sheathing For Tile Roofs

Zip system panels install fast and stay flat for a roof that looks as good as it performs.

Roof sheathing for tile roofs.

Minimum roof slope also according to modern building codes concrete and clay tiles may be installed on roofs with slopes of 2 12 and greater although roofs with slopes of 4 12 and less must have a double layer of underlayment. This above sheathing ventilation or asv inherent to tile roof installations can be enhanced using counter battens shims or manufactured systems to. 8d ring shank nails should be used instead. Tile roofs have an air space between installed roof tiles and the roof sheathing.

Underlayments play a key role in tile roofing since most tile roofs are not completely waterproof. The typical thickness range for sheathing is 3 8 to 3 4 inch. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Increases airflow between the tiles and roof sheathing which could reduce cooling loads by a modest degree.

Zip system sheathing and tape provides a water resistant durable underlayment for many finished roof coverings including metal tile and asphalt shingles fiberglass shingles and cedar shingles. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. This article discusses the requirements specifications for roof sheathing nailers or plywood or osb and underlayment roofing felt for wood shingle wood shake roofs including roof decking needed under wood shingles shakes. According to modern building codes concrete and clay tiles may be installed over either solid or spaced roof sheathing.

The boards were normally either 1 by 6 or 2 by 6. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. At a minimum use a type ii no. This space reduces heat transfer and allows heat buildup to dissipate from the sheathing and roofing materials.

Because of the long service life of tile a long lasting underlayment should be used as well. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Commonly used for shingle shake or tile roofs. Most roofs will be sheathed in plywood at least 3 8 inch thick.

Never attach roof sheathing with staples. Will prolong the life of the battens and underlayment by allowing any trapped water to easily drain down the roof and water will definitely penetrate concrete and clay tiles. 43 felt lapped 2 inches on horizontal joints and 6 inches at end laps. Tiles were designed so that lugs or short protrusions on the top backside of each tile would hook over the step sheathing.