Fifty years of roofs, siding, decks, and renovations across South Jersey — every project by a licensed, insured crew and backed by a 100% workmanship warranty.
Repairs, replacements, and new installations — asphalt shingle, flat, and metal systems for homes and commercial buildings.
→ 02Repair and full replacement that seals the envelope and transforms curb appeal.
→ 03Seamless systems sized and pitched for your actual roof — the small job that prevents the big ones.
→ 04Custom decks and outdoor builds — proper footings, correct flashing, finishes that last.
→ 05Kitchens, bathrooms, basements, and whole-room remodels by the same licensed GC team.
→Storm damage or a sudden leak? Emergency repairs →
National G.C. & Roofing (National General Construction & Roofing, LLC) is a family of craftsmen based in Blackwood, NJ. We've earned our reputation one roof, one deck, one renovation at a time — across South Jersey, Philadelphia, and Delaware.
"A roof is not a place to gamble on the low bid."
Our estimators walk the property, explain what actually needs doing — and what doesn't — and put it all in writing. If a $600 repair buys your roof five more good years, that's what we'll recommend.
Schedule Your EstimateReal homes, real results. Drag the slider to see a full roof replacement — then browse recent projects.
BeforeAfter
Roofing, siding, and storm repair across Blackwood and the South Jersey area.
Call (856) 677-5895 or send the estimate form. Tell us what's going on with your property.
We walk the job with you, explain your options, and hand you a clear written quote.
A licensed, insured crew completes the project with quality materials and proven technique.
Every project covered by our 100% workmanship warranty and manufacturer warranties.
"They told us half the roof just needed repair, not replacement. That kind of honesty is why we'll never call anyone else."
"Burim showed up on time, evaluated the roof, and gave us a fair price on a full replacement. Professional from the first call to the final cleanup."
"Top marks for professionalism, quality of work, and responsiveness. They did exactly what they said, when they said."
"Reliable, timely, and fair on price. The crew was detailed and left the property spotless. Highly recommend."
"Handled our storm-damage repair and the insurance paperwork without a hitch. Couldn't be happier with the result."
Most residential roof replacements in the Blackwood and South Jersey area range from about $7,000 to $18,000 depending on size, pitch, material, and tear-off. We give a clear written estimate for free — no obligation.
Both. We repair leaks, storm damage, missing shingles, and flashing failures — and if an honest repair will buy your roof more good years, we'll tell you rather than push a replacement.
Yes. National G.C. & Roofing is fully licensed and insured, and every project is backed by a 100% workmanship warranty plus manufacturer warranties on materials.
Absolutely. We assess and document the damage and work with you through the insurance-claim process from start to finish.
We serve Blackwood and the surrounding South Jersey towns across Camden, Gloucester, and Burlington counties, plus Philadelphia and Delaware.