Lisle, DuPage County

Deck & Porch Construction in Lisle

Get a deck that holds up under shade trees, with boards that dry out, gaps that drain and footings set clear of the big roots. We cover Lisle.

Decks and porches in Lisle

We build new decks, rebuild failing ones and repair porches, using treated lumber or composite for everything you walk on and hold onto. Each build starts at the house, with a ledger that is flashed against water and fastened with structural bolts, since that joint is where most decks fail. If you are resurfacing, we inspect the frame first, so new boards never go down over a joist that is already soft. You get all of it in a written estimate before work starts.

We cover Lisle along I-88 and Route 53, and the streets off Ogden Avenue and Maple Avenue, with the Morton Arboretum on the north side of town. If your yard sits under mature trees, the deck spends much of the day in shade, and wood in shade stays damp longer and grows mildew faster. Composite handles that better, though it still needs a wash, and treated wood needs a good sealer and board gaps kept clear of leaves. Big trees also mean big roots, so we probe before we dig and place footings where they will not cut a main root.

Deck & Porch Construction by ONIT Solutions

What a Lisle deck job covers

Footings placed around roots

We locate the footings to avoid large roots, which protects the tree and keeps the posts on stable ground.

Boards suited to shade

We walk you through how treated wood and composite behave in a shaded yard before you choose.

Gaps that drain

Boards are spaced so water and leaf debris fall through instead of sitting on the surface.

Ledger flashing and bolts

Flashing sheds water away from the house rim, and bolts hold the ledger into the framing.

Frame inspection before resurfacing

Before any new boards go on, we check joists, beams and posts, and replace anything soft.

Stairs, railings and porches

We build stairs and railings to current code and repair porch steps, columns and ceilings.

How a Lisle deck build works

On a free visit, we look at the trees, the shade, the slope and the wall the deck will tie into. The written scope covers the deck size, footing layout, board material and stair plan, with the price. We pull the permit and book the inspections, then give you build dates and stick to them. If a root sits where a footing was planned or rot turns up in an old ledger, we explain it, price the change in writing and wait for your approval, then we walk the finished deck with you.

  • Footings laid out around tree roots
  • Board choice explained for a shaded yard
  • A frame check before any resurfacing
  • Permit and inspections handled by us
  • Written approval before any changes
  • A walkthrough before we leave
FAQ

Deck & Porch Construction in Lisle: questions

Do you work in towns near Lisle?
Yes. Naperville, Downers Grove, Woodridge and Warrenville are on our route, and we handle decks there the same way.
Does a new deck in Lisle need a permit?
Almost always, and structural repairs usually do too. We submit the drawing, pull the permit with the village and meet the inspector for the footings and the final.
When should I schedule a deck?
Spring through fall works best, since footings need ground that is not frozen. Permit review takes some time, so calling a few weeks ahead helps, and we book around the days we said.
Will composite get moldy in the shade?
It can grow surface mildew in heavy shade, but that washes off and does not rot the board. Treated wood in shade needs regular sealing to keep moisture out, and staining or sealing is handled by our painting service.
Can you look at my deck from photos?
Yes. Text photos of the deck, the underside and the house wall to (815) 585-1750, and we will tell you what we need to check in person.

More questions and answers ›

Also in Lisle

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Free estimate

Plan your Lisle deck

Call or text (815) 585-1750 to have us look at the trees, the shade and the house wall. The estimate is free and comes in writing.

Call or text (815) 585-1750
Email matt@onitcc.com

Or call or text (815) 585-1750. We reply during business hours.

Call (815) 585-1750Get an Estimate