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4 articles in Installation.
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What Is Drip Edge & Why It Matters for Metal Roofs
A drip edge is a metal flashing installed along the edges of a roof that directs runoff away from the fascia and into the gutters, instead of letting it wick back and rot the wood. On a metal roof it also helps lock the panel edges down against wind uplift and seals out water at the seams.
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Skylights for Metal Roofs: Flashing, Mounting, and Maintenance
Yes — you can add skylights to a metal roof. Curb-mounted skylights are compatible with all Interlock Lifetime Metal Roofing Systems, integrating with the panels and flashing to stay watertight. They bring in natural light, can help with heating and ventilation, boost mood, and add value when installed properly.
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Minimum Roof Pitch for a Metal Roof
The minimum pitch for all Interlock Metal Roofing Systems is 3:12 — meaning the roof rises 3 inches for every 12 inches of horizontal run. Adequate slope lets water run off quickly and prevents pooling and leaks; for roofs shallower than 3:12, a membrane roofing system is recommended instead.
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Why Proper Roof Installation Is Crucial for Your Home
An Interlock roof is an interlocking system of components — panels, flashings, valleys, backpans, collars, drip caps, underlayment, and specialty fasteners — not a stack of parts. It’s engineered to be installed correctly by trained, certified Interlock installers, which is why it isn’t a DIY product and why expert installation protects both performance and the lifetime warranty.
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