Everhard Seam Testers

The MM21034 Premium Convertible Seam Tester is a versatile, American-made tool designed to give roofing professionals ergonomic comfort and flexibility. Its ability to convert between handheld and stand-up use, combined with a safe seam probe, makes it excellent for installers needing both precision detail and broader seam inspection capabilities.Key Features Dual-purpose functionality—portable handheld test probe or pole‑mounted stand‑up tool for efficient inspection across large membrane...

Designed for fast, reliable field inspections, the Check-N-Fold gives you a pro-grade seam probe that folds safely into a compact handle for pocket or belt carry. The radiused tip and angled geometry deliver clear tactile feedback without gouging, while the secure lockup and grippy handle keep you in control around laps, corners, and penetrations on TPO, PVC, and EPDM. It’s the seam tester you’ll actually keep with you—because it’s built to disappear in your pocket when the job moves.Key...

Built for everyday quality checks, the MM21031 gives installers and inspectors a reliable way to verify single-ply weld integrity, locate skips or voids, and confirm corners and terminations. A radiused probe tip delivers clear tactile feedback without gouging the membrane, while the angled profile and comfortable handle keep your knuckles clear and your line-of-sight on the seam. It’s lightweight, durable, and ready to live in your pouch for every walkthrough. Key Features Radiused,...

Purpose-built for quick, reliable quality checks on single-ply roofing seams, the MM21090 helps you verify weld integrity, locate skips or cold welds, and confirm terminations and corners. A radiused probe tip concentrates feedback without gouging, while the angled profile and grippy handle give you leverage and line-of-sight in tight spots. It’s a lightweight, jobsite-tough tool you’ll keep on your belt for every inspection. Key Features Radiused stainless-steel probe tip designed to probe...

Everhard's convertible seam tester is a hand-held tool that can convert into a tool used while standing -- just screw the handle onto the threaded end of a 60" fiberglass handle. Key Features Convertible design – Easily switch between handheld probing and pole-mounted stand-up operation—ideal for finishing large areas while minimizing roof traffic. Safe and effective – Blunted probe and angled tip allow precise seam checking without penetration damage. Ergonomic and lightweight –...