Copper fasteners
Every slate hangs on two copper or stainless nails which keeps water out at every joint.
Slate Roofing
Slate Roof Installation Roselle, NJ
A roofer in Roselle 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 (908) 620-5317 to talk with a local roofer about a new slate roof.
Slate is not one material but many, and choosing well comes first. Slates are graded by how long they last, with hard slate outlasting soft slate, and they come in a range of natural colors. Color stability matters too: unfading slate stays the same, while weathering slate changes tone over time.
Before ordering slate, the roof framing needs a hard look. A slate roof weighs several times as much as asphalt shingles, and thicker slates weigh more, so a home switching from shingles often needs an engineer to review the rafters and sometimes add framing. Slate also needs a solid deck and a slope of at least 4 in 12 under typical building codes.
A slate roof is only as long lived as its nails and metal. Each slate is fastened with two copper or stainless nails driven so the slate hangs on them rather than being pinned tight, which lets the stone sit flat without cracking. Copper flashing at valleys, walls and chimneys is the usual match, because it lasts on the same timescale as the stone.
Slate Roof Installation is often paired with slate roof replacement and slate roof repair, depending on the cause.
Dealing with this in Roselle, NJ right now? Call (908) 620-5317 and describe the problem to a roofer who works in Roselle.
Call nowThe process
The slate roof installation process
Here is how a slate roofer typically installs a new slate roof.
Check the structure
Framing is checked, the slate is selected by grade, color and size, and the exposure is worked out from the slate length and headlap. The exposure works out to half of what is left once the headlap is taken from the slate length.
Lay the underlayment
Solid sheathing is checked and covered with underlayment, plus self-adhered membrane at eaves and valleys in cold climates. Drip edge and a cant strip at the eaves come next.
Set the starter course
The roofer lays a starter course over a cant strip so the bottom row sits flat and sheds water like the rest. The first exposed course goes directly over the starter, with its joints offset.
Hang the slate
Course by course, slates are set with offset joints and the right headlap, each hung on two copper or stainless nails. Lower pitches get more headlap, and very steep pitches can use less.
Install copper flashing
Valleys, walls, chimneys and pipes are flashed in copper or another long life metal as the slate goes on. Snow guards help hold snow on the roof, since snow slides off smooth slate in heavy sheets.
Finish the ridge
The ridge is finished in slate or copper, and hips are laid in a traditional pattern. Spare slates from the same lot are left for future repairs.
What is included
What slate roof installation includes
Structural review
An engineer or span check confirms the structure to suit the home and climate.
Underlayment
A solid deck is covered with underlayment before the starter course goes on.
Ridge finish
Snow guards keep snow from sliding off in sheets with spare slate left for repairs.
Copper flashing
Open copper valleys and step flashing are installed to match the life of the slate.
Related service
Natural Slate Roofing Roselle, NJ
Natural slate is real rock, split by hand into roofing slates, which is why it can last longer than nearly any other roof covering. 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 Roselle home means planning for a roof that may outlast everyone who installed it. Some owners compare natural slate with synthetic slate, which weighs less but lasts far fewer years. Ask the roofer to show real slate samples before ordering so you see the true color and texture.
Local help
Slate Roof Installation Near Me
In Roselle, new slate is installed both to match older slate roofs and on newer homes built for a long lasting roof. From Roselle out to Roselle Park, Linden, Kenilworth and Cranford, 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 Roselle? Call (908) 620-5317 for a Roselle roofer who serves the towns around it too.
How the weather here affects roofs around Roselle
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, building ice dams that push water up under the shingles. Strong coastal storms push rain into every weak spot at the flashing and valleys. That is why roof repair in Roselle is busiest after a hard winter and before the next one.
Why call
Why fix it now
Smaller repairs
A roof problem fixed early rarely spreads to the decking, the insulation or the ceilings.
Local knowledge
Local roofers see the same roofs and storm damage across Roselle and nearby towns.
Clear next steps
Ask your questions before you agree to anything.
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. Rusted steel nails are the reason so many older slate roofs have slipped slates. Each slate gets two nails, driven so the slate hangs without being clamped.
Can my house support a slate roof?
Natural slate is heavy, often comparable to tile and several times the weight of shingles. Whether a particular house can carry it depends on the framing, so a structural check comes first on any conversion. Where framing is limited, thinner slate or a lighter synthetic slate may work.
Why do slate roofs have snow guards?
Snow guards are common on slate because snow slides off smooth stone in heavy sheets that can damage gutters and hurt people below. They are most important above entries, walks and lower roofs. Where snow is rare, they may not be needed.
Which is better, hard or soft slate?
Slates vary by quarry, and hard slates outlast soft ones. 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.
How long will a slate roof installation take?
Expect a longer schedule than shingles or tile, often several weeks for an average home. Complex rooflines, copper detailing and structural work add time. The roof is dried in early, so the house stays protected during the work.
More questions? Call (908) 620-5317
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
Repairs for natural slate roofs, from a single broken slate to failed copper valleys, so a roof built to last a century keeps going.
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
Finding the right roofer for the job and knowing what to ask, from the first inspection through cleanup.
Learn more
Looking for something else?
See all roofing servicesTalk to a Roselle roofer about slate roof installation
Call (908) 620-5317 to talk to a roofer serving Roselle, NJ.