How do I flatten a cupped deck board?

• <div><p>To flatten a cupped deck board, start by ensuring it’s dry. Then, try flipping the board over so the cupped side faces down and reattach it. If that’s not possible, you can use screws to pull it tighter to the joists or plane the edges slightly to reduce the cup. It’s best to replace severely cupped boards.</p></div>

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Q: Will regular maintenance stop decks from warping?

• <div><p>Constant exposure to inclement weather conditions can damage your deck, causing it to fade, warp, or crack over time. Regular maintenance keeps it looking and performing its best. That means giving it a good cleaning and applying a quality sealant or wood treatment to help defend against moisture, sun damage, and everyday wear.</p></div>

Q: What is the four-inch ball rule for deck railings?

• <div><p>While building your deck, you might come across something called the four-inch sphere rule. Essentially, this <a href="https://www.angi.com/articles/railing-requirements-for-deck.htm">railing requirement for a deck</a> states that a four-inch ball should not be able to fit through any gap in the deck railings. The gap between spindles and between the decking and the bottom of the railing must be less than four inches to prevent small children or pets from squeezing through the gap. </p></div>

Q: Why is my porch crumbling?

• <div><p>Your porch could be crumbling due to poor installation, freeze and thaw cycles, or intense pressure washing or sandblasting. If your concrete was poured and cured improperly, moisture can seep into the concrete. When the water freezes and thaws, it causes stress to the structure, leading to cracks and crumbling. If you pressure wash concrete on too high of a setting or sandblast the surface, the concrete can also crumble. </p></div>

Q: How do I flatten a cupped deck board?

• <div><p>To flatten a cupped deck board, start by ensuring it&rsquo;s dry. Then, try flipping the board over so the cupped side faces down and reattach it. If that&rsquo;s not possible, you can use screws to pull it tighter to the joists or plane the edges slightly to reduce the cup. It&rsquo;s best to replace severely cupped boards.</p></div>

Q: How to restore faded Trex decking?

• <div><p>There are deck restoration products and oil-based wood stains that can help bring back some of the color and shine to your faded Trex decking. However, if your boards are suffering from serious fading due to UV rays or chemical cleaning products, don&rsquo;t expect miracles. Also, these products are only suitable for use on the older Trex boards, not the capped, second-generation Trex products. </p></div>

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Verified Reviews for Deck Maintenance pros in Milltown, WI

*The Angi rating for Deck Maintenance companies in Milltown, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Deck Maintenance needs.

*The HomeAdvisor rating for Deck Maintenance companies in Milltown, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Deck Maintenance needs.

Last update on November 17, 2025

Reviewed in July 2017
It's hard to know where to start. Started after the contract had expired. I had to agree to paying $1200. over the quote to repair his non maintained equipment. He damaged my yard fence and then refused to provide his insurance information for me to claim against. I had to do the repair and...
JS Landscaping
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Reviewed in August 2016
Since Nierman Landscaping designed my beds, removed old plants & placed mulch last year & did a good job (aside from laying a very thin layer of mulch which allowed weeds to take over my beds.) I contacted them this year to perform maintenance. The quote I received (this year) for redefining the...
NIERMAN LANDSCAPE & DESIGN
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Reviewed in November 2015
,They tore down the old structure and hauled it away. They put up the walls and called the electrian to put in the outlets I wanted. After that they finished putting up the walls and shelving. They cleaned up after themselves each time they came out. I am very satified with their work. Told...
FEHRMAN CONSTRUCTION
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Reviewed in July 2014
First treatment in early June was excellent. We didn't see one nest for several weeks anywhere. Previously I was using signficant amounts of spectracide to keep it under control. Second treatment was good, but one nest was missed under our deck top rail. I almost stuck my hand into while...
SCHOPEN PEST SOLUTIONS, INC
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Reviewed in January 2014
I only go to Lockhart's for all maintenance and repairs on my vehicles. They are the best and honest people in the area.
Lockharts Service Station
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Reviewed in October 2013
We have leased a water softener from Johnson Water Conditioning for over 8 years and find the price, equipment and service to be excellent. Recently we heard a noise that sounded like there was air in the line and called Johnson. A tech was sent to inspect the unit within a few days of our...
Johnson Water Conditioning
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Reviewed in June 2012
The gentleman that did the quote was very good, and looked at both the inside and outside of the house He also noted that I could move the dryer vent from the existing left side to the right so I could improve access to keep vent clean. I did point out that the window could be accessed outside...
Quick Set Panels Corp
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Reviewed in July 2010
Went great as far as I can tell. I didn't have a defined "problem" as this was preventative maintenance, but they did what they promised and were very customer service oriented. I would definitely have them back for future maintenance.
Greg's Rite Now Rooter LLC
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Reviewed in July 2010
Dave was professional, friendly and honest. During the home inspection four aunts and my father showed up. My dad is a former home inspector who is no longer licensed- I asked if he could "follow" Dave to help keep track of any repairs I might be willing to do after purchasing the home or wish...
Haack Homestead Inspections LLC
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Deck or Porch Repair

Handyman for Multiple Small Project Service

Deck, Fence, Patio or Porch Clean and Seal

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Scuba Weed Control

Scuba Weed Control

Draeger Decorating

Draeger Decorating

TK services

TK services

Blue Hills Home Services

Blue Hills Home Services

Nelson's Roofing & Concrete

Nelson's Roofing & Concrete

Best Bet

Best Bet

Anvil Custom & Repair

Anvil Custom & Repair

On The Spot Painting & Home Services

On The Spot Painting & Home Services

AMERICAN PROPERTY PRESERVATION, LLC

AMERICAN PROPERTY PRESERVATION, LLC

N.A.N. Construction

N.A.N. Construction

The Milltown, WI homeowners’ guide to deck maintenance services

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