Slate refastening
Loose slates are rehung on copper hooks where their nails rusted through.
Slate Roofing
Slate Roof Repair Ridgewood, NJ
A Ridgewood slate roofer can pull broken slates with a slate ripper, set matching replacements and repair the copper flashing that keeps the roof dry. Dial (551) 370-0363 to talk with a local roofer about the repair.
A slate roof leak rarely means the slate is worn out. Original iron or steel nails rust through, flashing corrodes and valley metal wears thin, and slates then slip, crack or let water past. A slipped slate in the gutter is a common sign that the nails, not the stone, are failing.
Repairing slate the right way uses tools and materials made for it. Roofers cut the hidden nails with a slate ripper, set a matching slate and fasten it with a hook or a covered copper nail. Roof cement smeared over cracks and seams is a common bad repair that traps water and makes proper repairs harder later.
Stay off the roof yourself. Slate breaks easily underfoot and is slippery, which is why slate work is done from ladders and brackets rather than on foot. From the ground, binoculars show slipped slates, missing pieces and rusted flashing well enough to describe on the phone.
If the problem goes deeper than it first looked, a Ridgewood roofer may also recommend slate roof replacement or slate roof installation.
Dealing with this in Ridgewood, NJ right now? Call (551) 370-0363 to talk to a local roofer.
Call nowThe process
The slate roof repair process
Slate repair follows a careful routine.
Set safe access
Before any repair, the roofer rigs ladders and brackets that keep feet off the stone. Work only happens when the roof is dry, since wet slate is slick.
Find the cause
The source is pinned down first, since a slate problem and a flashing problem are fixed very differently. Widespread slipping points to nail failure rather than isolated damage.
Remove broken slate
A slate ripper slides under the broken slate, hooks each nail and cuts it so the slate slides out without disturbing its neighbors. The slates above stay in place the whole time.
Hang a replacement
The new slate goes in and is hung on a slate hook, or nailed through the gap above and covered with a copper bib. Matching is easiest with salvaged slate of a similar type and age.
Renew the metal
Corroded valley metal, step flashing and counter flashing at chimneys and walls are replaced, usually in copper, by lifting and resetting the slates around them. Copper is the traditional choice because it lasts about as long as hard slate.
What is included
Common slate roof repairs
Valley replacement
Valleys get new copper or other long life metal with the slates relaid along each side.
Chimney flashing
Step and counter flashing at chimneys, dormers and walls are renewed in metal that lasts as long as slate.
Slate replacement
Damaged slates are swapped for sound ones without disturbing the slates around them.
Old patch removal
Failed tar repairs are cleaned off and done properly to stop trapped moisture.
Related service
Slate Roof Inspection Ridgewood, NJ
Before repairs, an inspection sorts out whether the slate itself is sound or nearing the end. The inspector looks at the type of slate, the share of broken, slipped or flaking pieces, the nails where slates are missing and the state of every valley and flashing. Hard slate in good condition rings when tapped, while worn soft slate sounds dull and breaks easily.
A slate inspection on a Ridgewood home relies on ladders, binoculars and drone footage more than walking, to protect the slate. The attic is checked as well for stains, daylight and rotted sheathing boards. You should come away knowing whether the roof needs a repair, a section relaid or a long term replacement plan.
Related service
Slate Roofing Company Ridgewood, NJ
Choosing a slate roofing company matters more than with most roofs, because slate needs its own tools, methods and experience. Ask whether the crew uses a slate ripper, slate hooks or copper nails with bibs, hook ladders instead of walking the roof and long life flashing metal. A roofer whose first suggestion is coating the roof with tar is a red flag.
For Ridgewood homeowners, a good sign is a slate roofer who keeps a stock of salvaged slate and talks about repair before replacement. Matching size, thickness and color is what makes a repair disappear into the roof. One call to (551) 370-0363 is a good place to start.
Local help
Slate Roof Repair Near Me
In Ridgewood, slate tends to cap older and historic homes, and many of those roofs are still on their original stone. Homes in Ridgewood and neighboring communities such as Glen Rock, Midland Park, Waldwick and Hawthorne with original slate usually need nail and flashing repairs long before the stone itself wears out, and storms that drop limbs on the roof add broken slates to the list.
Need slate roof repair around Ridgewood? Call (551) 370-0363 for a Ridgewood roofer who serves the towns around it too.
What the local climate does to a roof
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. That is why roof repair in Ridgewood is busiest after a hard winter and before the next one.
Why call
Why act early
Drier ceilings
Small roof problems caught early usually stay small repairs.
Roofers who know Ridgewood
Local roofers see the same roofs and storm damage across Ridgewood and nearby towns.
Clear next steps
Ask your questions before you agree to anything.
Common questions about slate roof repair
Do I need a new slate roof or just repairs?
Slate roofs are built to be repaired one slate at a time. It is when the slate is delaminating widely, or slipping everywhere, that a full strip and relay becomes the better plan. A slate inspection shows which situation you are in.
Is roof cement a good fix for a slate roof?
Roof cement is a shortcut that tends to cause more trouble on slate. They dry out and crack, hold moisture against the slate and add work for the next repair. The lasting fix is replacing the broken slate and renewing the flashing with metal.
What is the lifespan of a slate roof?
Hard slate can last well over a century, while soft slate lasts a shorter but still long span. Fasteners and flashing are what wear out first, which is why repairs keep slate roofs going so long. Kept up with repairs, a slate roof can serve for generations.
Why are slates sliding off my roof?
Rusted nails are the usual cause. Many older slate roofs used nails that corrode in time, and once a nail fails, the slate slides out of its row. Individual slates are rehung with hooks, but widespread slipping points to relaying the roof with copper nails.
Can I walk on my slate roof?
Slate roofs should be kept free of foot traffic. The stone cracks under weight, especially older slate, and it is very slippery when wet, icy or covered in moss. Slate roofers use hook ladders and roof brackets to keep their weight off the slate, so leave the climbing to them.
More questions? Call (551) 370-0363
Other services that may help
Slate Roof Replacement
Full slate roof replacement when the stone, the nails or the flashing have failed across the roof, planned around the weight and look of the home.
Learn moreSlate Roof Installation
Slate roof installation from choosing hard or soft slate to the final copper ridge, built to match the life of the stone.
Learn moreFlashing Repair
Repairing step, counter, kickout, valley and drip edge flashing where roofs meet walls and edges, before hidden rot spreads into walls and decking.
Learn moreRoof Leak Repair
Finding where water gets through the roof and sealing it at the source, so the stain on the ceiling stops growing.
Learn more
Looking for something else?
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Call (551) 370-0363 to talk to a roofer serving Ridgewood, NJ.