Under title 24 cool roofs are required for commercial buildings where either 50 percent or 2 000 square feet of the existing roof is replaced recovered or recoated whichever is less.
Roofing over existing garage.
This is also an excellent opportunity to update the look and feel of your mobile home which can also.
That s a simple low cost solution that can tie in well with the main house.
We re happy to give you a free inspection.
If you re adding to the gable end of the house the side wall that goes up to the roof s peak it s fairly easy to extend the existing roofline over the new space says curt schultz a realtor architect builder in pasadena calif.
The installation of metal roofing is often easier and faster than other roof types and because of its simple design and generally large size can actually be installed directly on top of existing roofing materials like asphalt shingles and foam roofing.
When contemplating a new roof many people hope to simply do a shingle over and avoid the extra cost and mess of tearing off the existing roof and starting from scratch.
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Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
Usually you do not remove any part of the original roof which not only saves money but shortens the process and is a less unsettling process.
A roof over is the process of placing a new roof or roof material over your existing roof.
Under title 24 the roofing materials need to be sufficiently rated by the cool roof rating council.
Other approved class a b or c roof coverings or approved non rated roof coverings can be installed but the required building permit must be issued at a ladbs construction services center.
Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option.
The only way to know for sure whether it will work for you is to ask a professional roofer.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
A properly installed layover roof can look and function as well.
In fact the only pro to a shingle over is it s cheaper and cleaner.
Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
Re roofing over existing wood shakes or wood shingles is not allowed and they must be removed prior to the installation of the new roofing material.