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 expectMitered joints vs. butt joints — which to use and whenThe "day 1 vs. day 100" rule for choosing your jointing methodWhen miters are acceptable (hint: keep it under 12 feet)How to use breaker boards to define "rooms" and hide expansionFascia corners — why you should avoid mitering fascia, and what to do insteadGap Cap: a new product that solves fascia corner and picture-frame jointsWhy you must follow manufacturer gapping instructions to keep your warrantyHow 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 • Trex • Fiberon • Venture Decking🛠️ PRODUCTS MENTIONED:Gap Cap • Axxent End Cut Paint • Marksman Pro X1 • Camo FastenersWhether you're a pro builder or a serious DIYer, understanding how your decking moves with temperature is the difference between a deck that looks great on day one and one that still looks great years later.🛒 Shop composite and PVC decking: www.tuds.ca📲 Follow us:Instagram: theultimatedeckshopFacebook: The Ultimate Deck Shop#CompositeDeck #DeckBuilding #PVCDecking #DeckInstallation #DeckTips #MiteredJoints #BreakerBoard #GapCap #Azek #Trex #DeckPodcast