Valley metal
Valleys, walls, chimneys and pipes are flashed in copper instead of metals that wear out early.
Slate Roofing
Slate Roof Installation Dover, NJ
A roofer in Dover can install a natural slate roof, from checking that the framing can carry the stone to hanging each slate on copper nails with the right headlap and finishing the valleys and ridges in copper. Dial (862) 430-1002 to talk with a local roofer about a new slate roof.
The first choice on any slate roof is the slate itself. Different slates vary in durability as well as color, from long lived hard slate to softer slate with a shorter service life. Color stability matters too: unfading slate stays the same, while weathering slate changes tone over time.
Slate is heavy, so the house has to be ready for it. Because slate is so heavy, rafters or trusses are checked, and reinforced if needed, before a conversion from a lighter roof. Slate also needs a solid deck and a slope of at least 4 in 12 under typical building codes.
How the slate is hung decides how long it lasts. Slates are hung on two copper nails each, set just right so the slate is held but not clamped, since a nail driven too hard cracks the slate. Copper valleys and flashing are standard on slate, since lesser metals wear out decades before the stone does.
Slate Roof Installation is often paired with slate roof replacement and slate roof repair, depending on the cause.
Need slate roof installation in Dover? Call (862) 430-1002 and describe the problem to a roofer who works in Dover.
Call nowThe process
What happens during a slate roof installation
Here is how a slate roofer typically installs a new slate roof.
Choose the slate
The roofer confirms the framing and deck can carry the slate, helps choose a grade, size and thickness, and lays out the pattern and exposure. The exposure works out to half of what is left once the headlap is taken from the slate length.
Prepare the deck
Underlayment goes over a solid deck, with ice barrier at the eaves where codes require it. Drip edge and a cant strip at the eaves come next.
Lay the starter
A starter course goes on at the eave over a cant strip, so the first exposed course lies at the same angle as the rest. The first exposed course goes directly over the starter, with its joints offset.
Nail the field
The field slate goes on course after course with offset joints, consistent headlap and two nails per slate that are never driven tight. Lower pitches get more headlap, and very steep pitches can use less.
Flash the details
Step flashing, counter flashing and open copper valleys are built into the roof course by course. Snow guards help hold snow on the roof, since snow slides off smooth slate in heavy sheets.
Finish the ridge
Hips and ridges are closed with slate laid in a saddle or combed pattern or capped with copper. A stock of spare slate is left with the owner for later repairs.
What is included
What slate roof installation includes
Underlayment
Underlayment and ice barrier go down before the starter course goes on.
Proper headlap
Every slate hangs on two copper or stainless nails so the fasteners last as long as the stone.
Slate selection
The framing is checked for the weight of slate and reinforcement is planned if needed.
Ridge finish
Ridges and hips are finished in slate or copper to protect people, gutters and plantings below.
Related service
Natural Slate Roofing Dover, NJ
Natural slate roofing uses stone that has been quarried and split into slates, with no coatings or binders to wear off. It will not burn or rot, and quality slate shrugs off weather for a very long time. Natural variation in texture and edge gives every slate roof a distinct look.
Choosing natural slate for a Dover home means planning for a roof that may outlast everyone who installed it. Synthetic slate is lighter and easier to install, but it does not carry the same lifespan as quality natural stone. Seeing actual slate samples, not just a brochure, helps you pick the right color and texture.
Local help
Slate Roof Installation Near Me
Around Dover, slate installations range from additions matched to an original slate roof to full new slate roofs on custom homes. From Dover out to Wharton, Rockaway, Mount Arlington and Morris Plains, a slate roof goes on slowly and by hand, so planning ahead with the roofer matters, and snow guards and copper flashing are worth planning for from the start.
Need slate roof installation around Dover? Call (862) 430-1002 for a Dover roofer who serves the towns around it too.
How the weather here affects roofs around Dover
Cold winters bring snow, ice and a long stretch of freezing nights. When warm attic air melts the snow, the meltwater runs down and freezes again at the eaves, which is how ice dams form and back water up under the shingles. Coastal storms and heavy spring rain drive water sideways into flashing, valleys and old chimneys. Most homeowners in Dover, NJ have the roof checked in the fall and again after the snow melts.
Why call
Why act early
Smaller repairs
Small roof problems caught early usually stay small repairs.
Local knowledge
Local roofers see the same roofs and storm damage across Dover and nearby towns.
Clear next steps
Ask the roofer about the cause, the options and the estimate before work starts.
Common questions about slate roof installation
What nails should be used for slate?
The nails have to last as long as the slate, which is why copper or stainless steel is standard. Steel nails rust out and cause slates to slip, the most common failure on older slate roofs. Two nails hold each slate, set so it hangs loosely and does not crack.
How heavy is a slate roof?
A slate roof weighs far more than shingles, with the exact load depending on the thickness of the slate. Homes built for slate carry it fine, but a house framed for shingles may need an engineer and added framing before switching. Where framing is limited, thinner slate or a lighter synthetic slate may work.
Do slate roofs need snow guards?
Slate is smooth and steep, which lets snow slide off suddenly, and snow guards prevent that. They are most important above entries, walks and lower roofs. In places with little snow, they are less of a concern.
How long will a slate roof installation take?
Expect a longer schedule than shingles or tile, often several weeks for an average home. Dormers, valleys, turrets and framing upgrades all extend the schedule. The roof is dried in early, so the house stays protected during the work.
Which is better, hard or soft slate?
Hard slate is denser and can last well over a century, while soft slate gives a shorter, though still long, service life. Soft slate can still be a good choice and is easier to cut and shape, but it wears sooner. Pick based on the lifespan you want and the look of the house.
More questions? Call (862) 430-1002
Other services that may help
Slate Roof Replacement
Slate roof replacement that strips the roof, sorts reusable slate and rebuilds the deck, underlayment and copper flashing, with salvage of good slate wherever possible.
Learn moreSlate Roof Repair
Replacing cracked, slipped and missing slates, renewing worn flashing and fixing the nail and valley problems behind most slate leaks, using methods and materials that match the original roof.
Learn moreRoof Installation
Putting on a new roof the way the material maker intends, with ventilation and flashing planned in from the start.
Learn moreRoofing Contractor
A local roofing contractor for repairs, replacements, inspections and new roofs on homes, from the first inspection through cleanup.
Learn more
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