Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
Roofing over existing garage.
We re happy to give you a free inspection.
Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option.
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.
Roofing over your existing roof is not always possible there are a few situations where roofing over an existing roof just isn t possible.
How to tie a additions roof to existing roof roof designs to attach to existing home how to construct a roof from an exsisting shead how to attach a deck roof to existing roof how to add a roof over porch cost to tie into existing roof attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing.
Only certain roofs qualify as cool roofs.
Under title 24 the roofing materials need to be sufficiently rated by the cool roof rating council.
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.
Although it sounds like a good idea we can assure you the cons heavily outweigh the pros.
A properly installed layover roof can look and function as well.
That s a simple low cost solution that can tie in well with the main house.
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.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
The only way to know for sure whether it will work for you is to ask a professional roofer.
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.
A roof over is the process of placing a new roof or roof material over your existing roof.
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.
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.
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.