Trex RainEscape 4″ x 4″ Post Flash


  • Easy to install by anyone – from seasoned deck builders to weekend warriors!
  • Add RainEscape to any deck to automatically increase overall home value
  • Any 4×4 post is welcome with this material
  • Waterproof fit when installed correctly

In stock


When using the Trex RainEscape deck drainage system, you will find that your deck and outdoor living space will stay completely dry from rain and snowmelt up to the point of a hurricane (our words, not theirs).  The 4″ x 4″ post flashing is a polyethylene boot that totally seals around the post railing when using the Trex RainEscape product line.

Once you see how the system keeps your outdoor area dry, you’ll feel more excited about creating an outdoor oasis with nicer furniture, grill area, and fire-pit!

As our customer, you should come to expect only the highest level of service from Schillings. Our goal is to be the most dependable, efficient and professional supplier of quality building materials in the Chicagoland area as well as online.

Additional information

Weight 1.00 lbs
Dimensions 6.5 × 6.5 × 3.5 in

Stock Level


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