Tar cleanup
Failed tar repairs are cleaned off and done properly to stop trapped moisture.
Slate Roofing
Slate Roof Repair Randolph, NJ
A Randolph slate roofer can pull broken slates with a slate ripper, set matching replacements and repair the copper flashing that keeps the roof dry. One call to (973) 858-1826 reaches a nearby slate repair pro.
Natural slate can last a century or more, so most slate repairs deal with what holds it on and what seals it. Original iron or steel nails rust through, flashing corrodes and valley metal wears thin, and slates then slip, crack or let water past. When nails rust through, slates slide out of place and leave gaps, a problem sometimes called nail sickness.
Slate repair is a specialty, and the methods matter. The broken slate is removed by cutting its nails with a slate ripper, and the replacement is secured with a slate hook or a nail under a small copper bib so no nail is exposed. Coating slate with tar or roof cement only hides problems and stains the stone.
Look from the ground, not from the roof. 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 Randolph roofer may also recommend slate roof replacement or slate roof installation.
Need slate roof repair in Randolph? Call (973) 858-1826 to reach a nearby roofing contractor.
Call nowThe process
The slate roof repair process
Here is how a slate roofer usually handles a repair.
Rig the roof
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
Leaks are traced back to their source, which on slate is often a valley, a flashing joint or a cluster of slipped slates. If many slates are slipping, it tells the roofer the nails are failing roof wide.
Cut the old nails
With a slate ripper, the roofer cuts the nails holding the broken slate and draws it out. Nothing around the repair has to come off.
Fit matching slate
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.
Repair the flashing
Valleys and wall flashings that have rusted through are replaced with new metal, with the slates carefully removed and relaid. Copper flashing is common on slate because its service life comes close to that of the stone.
What is included
Common slate roof repairs
Chimney flashing
Wall and chimney flashing is rebuilt so joints stay watertight.
Valley repair
Valleys get new copper or other long life metal with the slates relaid along each side.
Slate refastening
Slipped slates are put back and secured before they fall and break.
Broken slate repair
Cracked or missing slates are replaced with matching slate without disturbing the slates around them.
Related service
Slate Roof Inspection Randolph, NJ
Inspecting slate is about telling a stone problem from a fastener or flashing problem. 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. Tapping a slate is a quick test: sound slate rings, worn slate thuds.
A slate inspection on a Randolph home relies on ladders, binoculars and drone footage more than walking, to protect the slate. Inside, the attic shows where water has gotten through and whether the board sheathing is sound. 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 Randolph, NJ
Choosing a slate roofing company matters more than with most roofs, because slate needs its own tools, methods and experience. Ask about their tools and methods: slate rippers, hooks, staging and the flashing metals they use. A roofer whose first suggestion is coating the roof with tar is a red flag.
A slate roofing company that works in Randolph should be able to describe recent slate repairs and where it sources matching slate. Salvaged slate that matches the original is the key to repairs that do not stand out. Call (973) 858-1826 to talk with a roofer who works on slate.
Local help
Slate Roof Repair Near Me
In Randolph, slate tends to cap older and historic homes, and many of those roofs are still on their original stone. On older slate roofs in Randolph and nearby towns like Dover, Wharton, Succasunna and Rockaway, the most common repairs are slipped slates from rusted nails and leaking valleys or chimney flashing, so steady repairs can keep a slate roof going for many more decades.
Need slate roof repair around Randolph? Call (973) 858-1826 for a Randolph roofer who serves the towns around it too.
How the weather here affects roofs around Randolph
Winters here are long and cold, with snow on the roof for weeks at a time and plenty of nights below freezing. Heat escaping from the attic melts snow on the upper roof, and the water refreezes at the colder 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 Randolph is busiest after a hard winter and before the next one.
Why call
Why act early
Smaller repairs
A roof problem fixed early rarely spreads to the decking, the insulation or the ceilings.
Local knowledge
Roofers in Randolph know the roof types and weather wear common in local homes.
Straight answers
Ask the roofer about the cause, the options and the estimate before work starts.
Slate Roof Repair FAQ
Do I need a new slate roof or just repairs?
Most slate roofs can be repaired as long as the stone itself is still sound. It is when the slate is delaminating widely, or slipping everywhere, that a full strip and relay becomes the better plan. An inspection tells you which way your roof leans.
Why are slates sliding off my roof?
The nails holding each slate are the usual culprit. 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.
How long does a slate roof last?
Hard slate can last well over a century, while soft slate lasts a shorter but still long span. The nails and flashing need attention long before the slate does. Kept up with repairs, a slate roof can serve for generations.
Can I walk on my slate roof?
Slate is not made to be walked on. Slate breaks easily underfoot and becomes dangerous when wet. Slate roofers use hook ladders and roof brackets to keep their weight off the slate, so leave the climbing to them.
Can tar be used to repair slate?
Tar and roof cement are poor fixes for slate. They crack as they age, trap water against the stone and stain it, and they have to be scraped off before a proper repair can be done. The lasting fix is replacing the broken slate and renewing the flashing with metal.
More questions? Call (973) 858-1826
Often needed together
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
Natural slate roofs installed over a solid deck with copper nails, proper headlap and long life flashing, so the nails and flashing last as long as the slate.
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, with the damage underneath checked too.
Learn more
Looking for something else?
See all roofing servicesGet slate roof repair help in Randolph
Call (973) 858-1826 for a local roofer in Randolph and nearby towns.