Keeping Water Out of Decks

Careful detailing of trouble spots ensures longevity

Predictably, our climate causes a lot of water-related problems, making good flashing details paramount to the longevity of decks and the houses they are attached to.

 

Moisture Management

  • Tiling a Deck

    Fiberglass grating is a sturdy, drainable substrate option for exterior stone and ceramic tile

     
  • Outdoor Bonus Room

    A four-car garage offers plenty of square footage for a roof-top deck

     
  • Field-Treating Pressure-Treated Pine

    Even though it's not required by code, it's a good idea to treat all cuts and penetrations in PT pine with copper naphthenate-if you can find it

     
  • Making Porch Floorboards Last

    During many years as a restoration contractor, I bet I’ve replaced over a mile of rotten porch floorboards. Today’s fast-growth lumber has very little natural resistance to rot, so it’s vital that you completely seal the boards before they’re installed.

     
  • Landscaping designs and decking without gaps can drastically affect the drying potential of the framing beneath the deck.

    Decay Resistance and the Code

    Using decay-resistant lumber, field-treating cut ends with preservative, and providing adequate airflow are all ways to help prevent wood decks from rotting. But when are they required by code, and when are they a good idea even if not required?

     

Finishes

 

All Decking & Railing Articles


  • Column Wraps

    Extra-wide PVC wraps fit jumbo columns

     
  • Tiling a Deck

    Fiberglass grating is a sturdy, drainable substrate option for exterior stone and ceramic tile

     
  • Combining Decks and Patios

    Maintain a sense of privacy and easy egress from the house while also cost-effectively providing large entertainment spaces

     
  • Testing Single Posts vs. Railing Assemblies

    The president of a post-anchor manufacturing company weighs in on load testing of guardrail posts and assemblies

     
  • Attaching Posts to 2x6 Framing

    A PDB author responds to a reader's question about blocking details for guardrail post kits

     
  • A Better Post-Hole Tamper

    Build one yourself with a 6x6 and a length of steel pipe

     
  • Getting Into Hardscaping

    Expand your deck business by partnering with a patio contractor

     
  • Outdoor Bonus Room

    A four-car garage offers plenty of square footage for a roof-top deck

     
  • Another Option for Fire-Resistant Decks

    Some pedestrian traffic coatings qualify as Class A, 1-hour fire-rated roof coverings. An installer advocates for their use on decks in a Wildland Urban Interface.

     
  • Mixing Oil and Water

    Cabot's new water-based ATO stain doesn't look like much in the can, but it outperforms previous oil-based versions of this popular mahogany decking finish.

     
 
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