About this episode

This episode discusses managing joints in composite and PVC decking, focusing on expansion, contraction, and installation techniques.

Are your mitered deck joints opening up after installation? You're not alone — it's one of the #1 callback reasons for deck builders. In this episode of The Deckheads Podcast we break down everything you need to know about managing joints in composite and PVC decking. 🔧 WHAT WE COVER: Why composite and PVC decking expands and contracts more than you'd expect Mitered joints vs. butt joints — which to use and when The "day 1 vs. day 100" rule for choosing your jointing method When miters are acceptable (hint: keep it under 12 feet) How to use breaker boards to define "rooms" and hide expansion Fascia corners — why you should avoid mitering fascia, and what to do instead Gap Cap: a new product that solves fascia corner and picture-frame joints Why you must follow manufacturer gapping instructions to keep your warranty How to protect yourself when a homeowner insists on a risky installation 🇨🇦 GAP CAP IN CANADA: We're the official Canadian distributor for Gap Cap. Canadian stock is landing soon — we'll be able to ship anywhere in the country. Builders and dealers: reach out about wholesale pricing. 🪵 BRANDS DISCUSSED:Deckorators Voyage • Eva-Last Apex Plus • Clubhouse PVC • Azek…

More episodes of The Deckheads Podcast

• Don't Build a Deck Until You Watch This - The Deckheads Podcast · July 17, 2026 · 47 min
• 7 Steps to Building a Deck (The Complete Guide) - The Deckheads Podacst · July 9, 2026 · 45 min

Explore listener stats, chart rankings, contacts and more on the The Deckheads Podcast podcast page.