This provides added protection against ice dams.
Roof tiles installed over 1x2.
Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it.
This guide will show you how to prepare your subfloor for a tile installation project to ensure that it s fit to support ceramic or porcelain tile.
3 11 batten installation 16 3 12 tile installation 17 3 13 flat low medium and high profile tile 19 3 14 valleys tiles 20 3 15 hip starter 21 3 16 hip and ridge installation 21 vi frsa tri model tile guidelines august 2005.
Fourth edition of the concrete and clay roof tile installation manual florida this manual summarizes for the designer applicator or developer good roofing practices and industry standards for the installation of mechanically set and mortar adhesive set tiles.
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In addition depending on the material quality tile roof colors may fade over time even if the roof itself is still functional.
Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option a properly installed layover roof can look and function as well.
Some roofers install a layer of waterproof shingle underlayment wsu over the existing shingles at the eave end as would be done for a roof laid on bare sheathing.
3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
Concrete tiles which are usually lighter than clay tiles can easily place over 10 pounds of weight per square foot on a roof.
While straight edge tiles rectangular square parallelogram are most common unique tile shapes.
This can take away from the added value.
However installing new flashings including special drip edge flashings made for reroofing will ensure a tight seal and a long life.
Homes without a previous tile roof may also need additional structural reinforcement further increasing the total cost for tile roof installation.
It also has to be fastened down properly.
And if putting them over existing shingles a very bad idea in my opinion they should go crossways on the roof otherwise you will get waves up and down the roof where they bend over the leading raised edge of the shingles and depress at the upper exposed portion of each shingle row.
If you are adding tiles to a roof that did not previously have them or to a design which did not originally incorporate them the roof may not be capable of carrying the excess weight.
