Beautiful light green horizontal clapboard siding on house gable
SIDING · CORNWALL, NY

Siding in Cornwall, NY.

Siding in Cornwall, NY built for shade and moisture — fiber cement, rot-proof PVC trim and proper wrap on wooded and river-view homes.

Why hire us for siding in Cornwall?

Shade is the main enemy of siding in Cornwall. On wooded lots and on the north side of homes in Cornwall-on-Hudson, walls stay damp long after rain, so wood clapboard and cheap trim rot and grow mildew. When we re-side in Cornwall we use materials that tolerate moisture — James Hardie fiber cement or insulated vinyl over a breathable wrap, with PVC or AZEK trim that won’t rot. We also check clearance between siding and soil or mulch, since ground contact on sloped lots is a common source of hidden rot. Capes and colonials on steep village streets are staged carefully to protect plantings and walkways.

What we see on Cornwall siding jobs

  • PVC or AZEK trim replaces wood trim on shaded walls so it can’t rot.
  • Siding is held the right distance above soil and mulch on sloped lots to stop wicking.
  • Mildew-prone walls get factory-finished siding that washes clean easily.

Neighborhoods we serve in Cornwall: Cornwall-on-Hudson, Mountainville, Firthcliffe, Angry Orchard corridor, Route 9W area, Woodland Avenue district.

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LOCAL PROJECTS

Siding work near Cornwall, NY

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Beautiful light green horizontal clapboard siding on house gable
01 / 05

Beautiful light green horizontal clapboard siding on house gable

Grey vinyl siding installed around an arched window
02 / 05

Grey vinyl siding installed around an arched window

Cream wood horizontal siding with louvered louver vent
03 / 05

Cream wood horizontal siding with louvered louver vent

GOOGLE REVIEWS

FIVE STARS. EARNED, NOT ASKED.

Real reviews from real homeowners across our service area. We don't run promotions for testimonials — we just do the work right.

"I contacted THUNDER Pro Construction for a roof repair, and they exceeded all of my expectations. Diego and his team are simply the best! Th…"

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Miguel Vera

Miguel Vera

Google Review · 3 months ago

"THUNDER Pro Construction is hands down the best company for roof replacement! Diego and his team were reliable, professional, and paid atten…"

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Yordy Vera

Yordy Vera

Google Review · 3 months ago

"We are beyond happy with our new deck! THUNDER Pro Construction LLC exceeded all of our expectations. Diego and his team were knowledgeable,…"

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Nayeli vera

Nayeli vera

Google Review · 3 months ago

"Thunder Pro Construction did an outstanding job from start to finish. The crew was professional, arrived on time, kept everything clean, and…"

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Cristian Villavicencio

Cristian Villavicencio

Google Review · 3 months ago

"Excellent workmanship repairing and replacing porch columns"

Marlo Barnes

Marlo Barnes

Google Review · in the last week

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QUESTIONS

Common Siding questions in Cornwall, NY

More questions? Call (845) 234-9871 or request an estimate — we don't believe in pressure sales.

Why does one side of my Cornwall house always look green?
That’s mildew and algae on a wall that stays shaded and damp. Washing helps, but long term we recommend factory-finished fiber cement or vinyl and better clearance from soil and plants so the wall dries out.
Is fiber cement OK on a hillside home in Cornwall?
Yes. It handles moisture well when installed with correct clearances, house wrap and flashing. We adjust the details on sloped grades so every wall stays above the ground line.
Hardie vs. vinyl — what's the real difference?
Hardie lasts longer (30+ years), won't burn, holds color better, but costs roughly 40% more installed. Vinyl is faster to install and easier to replace a damaged panel. Both get lifetime warranties now
Do I need new windows with new siding?
Only if the existing ones are failing. But it's the cheapest time to replace them — no extra trim or flashing labor since we're already there. We'll tell you honestly if yours have 10 years left
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Tell us about your roof, your storm damage, your siding job — anything. We'll come out, inspect, and put a written estimate in your hand. No pressure, no games.

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