Reshingle Vs New Roof

It can only be done once so if you already have two layers of roofing in place reroofing is not an option for you.

Reshingle vs new roof.

Nail down loose roof sheathing to rafters. In general it is not a good roofing practice to overlay a traditional asphalt shingle roof versus a complete tear off and replacement with a new roof for the very reason you stated. It s clearly easier and cheaper to leave the old shingles in place but there s some special prep work involved with a re roof removing vents ridge caps and misshapen shingles among other things and you still have to replace or add new flashing which sometimes can be tricky over old roofing. One of the most important factors in determining the expenditure of your new roof is the inclusion of the pitch of your roof.

Because there is no tear off reroofing can go much faster and be much less expensive than a complete roof replacement. Reroofing is the process of layering one set of new shingles over a set of existing shingles. Typically the angle of your roof will maintain a pitch between 4 12 9 12. In fact the only pro to a shingle over is it s cheaper and cleaner.

Pro tip for low sloped roofs photo by carl tremblay while asphalt shingle is a good roofing material it s not the best choice in all situations. In this video this old house general contractor tom silva explains how to reshingle a roof steps. You can t examine the decking to determine if there is any damage that needs repaired. Most of these will be unknown until you hire a professional to examine your roof.

2nd layer of shingles. Cover roof deck with 30 pound felt underlayment. This contractor told me i don t need to tear off my existing shingles when we re do our roof. Pry off old roof shingles with pitch fork.

Although it sounds like a good idea we can assure you the cons heavily outweigh the pros. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. In fact reports show that a new roof yields more than 80 of its original cost upon resale. Nail drip edge flashing to lower edge of roof.

But you must take care to install shingles correctly so they lie flat. However when done right it also yields the biggest return on your investment. The roof is one of the biggest investments you will make in your home. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones.

Staple felt every 6 to 8 inches. Your contractor can then use them for exact match patch repairs. If you don t take your roof down to the sheathing you will never know if you have proper underlayment or are experiencing sheathing rot or ice or water damage. Meanwhile more than 30 of real estate agents accredited roof restorations for their quick sales.

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.