Reshingle Vs New Roof

Reroofing is the process of layering one set of new shingles over a set of existing shingles.

Reshingle vs new roof.

What you need to know dave law last updated january 24 2020 here is a scenario we hear about all the time. Nail down loose roof sheathing to rafters. In this video this old house general contractor tom silva explains how to reshingle a roof steps. A bundle or two of new shingles stored flat in the garage comes in handy if your new roof gets damaged later.

Although it sounds like a good idea we can assure you the cons heavily outweigh the pros. This contractor told me i don t need to tear off my existing shingles when we re do our roof. Roof tear off vs. 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.

Cover roof deck with 30 pound felt underlayment. 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. 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. 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.

The roof is one of the biggest investments you will make in your home. 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. But you must take care to install shingles correctly so they lie flat.

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 the only pro to a shingle over is it s cheaper and cleaner. However when done right it also yields the biggest return on your investment. 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.

Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. Your contractor can then use them for exact match patch repairs. Meanwhile more than 30 of real estate agents accredited roof restorations for their quick sales. It can only be done once so if you already have two layers of roofing in place reroofing is not an option for you.

Pry off old roof shingles with pitch fork. Typically the angle of your roof will maintain a pitch between 4 12 9 12. Because there is no tear off reroofing can go much faster and be much less expensive than a complete roof replacement. Staple felt every 6 to 8 inches.

Nail drip edge flashing to lower edge of roof.