Copper flashing
Valleys, walls, chimneys and pipes are flashed in copper instead of metals that wear out early.
Slate Roofing
Slate Roof Installation Cliffside Park, NJ
A Cliffside Park slate roofer can help you choose a slate, plan the layout and install the roof with fasteners and flashing that last as long as the stone. One call to (551) 378-0042 reaches a nearby slate installer.
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. Some slates hold their color, called unfading, while weathering slates shift in tone over the first years.
The structure comes before the stone. Because slate is so heavy, rafters or trusses are checked, and reinforced if needed, before a conversion from a lighter roof. Codes generally call for slate only on slopes of 4 in 12 or steeper, over solid sheathing.
A slate roof is only as long lived as its nails and metal. Two nails per slate, copper or stainless and never driven tight, let the slate hang freely and keep it from cracking. Copper valleys and flashing are standard on slate, since lesser metals wear out decades before the stone does.
If the problem goes deeper than it first looked, a Cliffside Park roofer may also recommend slate roof replacement or slate roof repair.
Dealing with this in Cliffside Park, NJ right now? Call (551) 378-0042 to reach a nearby roofing contractor.
Call nowThe process
What happens during a slate roof installation
A slate roof is built slowly and by hand, one course at a time.
Plan the roof
Framing is checked, the slate is selected by grade, color and size, and the exposure is worked out from the slate length and headlap. Exposure is the slate length minus the headlap, divided by two.
Prepare the deck
Underlayment goes over a solid deck, with ice barrier at the eaves where codes require it. Edge metal goes on along the eaves and rakes.
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.
Hang the slate
Each course is laid to a chalk line with the vertical joints offset, and every slate is hung on two copper nails driven just enough to hold it. Lower pitches get more headlap, and very steep pitches can use less.
Install copper flashing
Step flashing, counter flashing and open copper valleys are built into the roof course by course. Snow guards are often added so snow does not slide off the slate in sheets.
Finish the ridge
Ridges and hips are finished with a saddle or combed ridge, mitered or Boston hips, or copper ridge caps. Spare slates from the same lot are left for future repairs.
What is included
Parts of a slate roof installation
Copper fasteners
Slates are nailed loose enough to hang so the fasteners last as long as the stone.
Underlayment
A solid deck is covered with underlayment before the starter course goes on.
Slate selection
Slate is chosen by grade, size, thickness and color before any stone is ordered.
Snow guards
The ridge and hips are capped in a traditional pattern with spare slate left for repairs.
Related service
Natural Slate Roofing Cliffside Park, 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.
For a natural slate roof in Cliffside Park, the grade, thickness and color of the slate shape both the look and the lifespan. Synthetic slate is lighter and easier to install, but it does not carry the same lifespan as quality natural stone. 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 Cliffside Park, new slate is installed both to match older slate roofs and on newer homes built for a long lasting roof. For homes in Cliffside Park and nearby towns like Edgewater, Fairview, Ridgefield and Palisades Park that were framed for shingles, the structural check is what decides whether slate is practical, while snow and storms make fastening and snow guards part of the design.
For slate roof installation in Cliffside Park, NJ or nearby towns like Edgewater, Fairview, Ridgefield and Palisades Park, call (551) 378-0042 to reach a roofer who covers your street.
Roofs in this climate
Winters here are long and cold, with snow on the roof for weeks at a time and plenty of nights below freezing. 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. Coastal storms and heavy spring rain drive water sideways into flashing, valleys and old chimneys. Most homeowners in Cliffside Park, NJ have the roof checked in the fall and again after the snow melts.
Why call
Why act early
Less damage
A roof problem fixed early rarely spreads to the decking, the insulation or the ceilings.
Local knowledge
Roofers in Cliffside Park know the roof types and weather wear common in local homes.
Straight answers
Ask your questions before you agree to anything.
Slate Roof Installation FAQ
Can my house support a slate roof?
Natural slate is heavy, often comparable to tile and several times the weight of shingles. Homes built for slate carry it fine, but a house framed for shingles may need an engineer and added framing before switching. Thinner slate or synthetic slate can be options where the framing falls short.
How long does it take to install a slate roof?
Slate goes on slowly because every slate is laid and nailed by hand, so most homes take several weeks. Dormers, valleys, turrets and framing upgrades all extend the schedule. The roof is dried in early, so the house stays protected during the work.
Why are copper nails used on slate roofs?
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. Each slate gets two nails, driven so the slate hangs without being clamped.
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 is easier to work, though it is not meant to last as long. The right choice depends on how long you want the roof to last and what matches the home.
Do slate roofs need snow guards?
Smooth slate sheds snow all at once, so snow guards hold it in place to melt gradually. They matter most over doorways, walkways, decks and lower roofs. Where snow is rare, they may not be needed.
More questions? Call (551) 378-0042
Other services that may help
Slate Roof Replacement
Replacing a slate roof that has reached the end of its life, by relaying the sound slate on new nails or installing new natural or synthetic slate, planned around the weight and look of the home.
Learn moreSlate Roof Repair
Slate roof repairs done with a slate ripper, copper hooks and matching slate rather than tar, without damaging the sound slate around the repair.
Learn moreRoof Installation
Putting on a new roof the way the material maker intends, whether it is asphalt shingles, metal or another material.
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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Call (551) 378-0042 for a local roofer in Cliffside Park and nearby towns.