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#1 Items: Sliding & Oversize Doors

Sing Core cut away to see torsion box core

Torsion Box Honeycomb Core

Sing Core is the only renewable honeycomb core that has the strength above almost any existing commonly used core. Manufacturing Sing Core uses less energy, no toxic chemicals or waste Show more

Sliding Doors

Best Seller: Sliding Door

80% of Sing products sold are doors; of those, 75% are large sliding doors. Whether you’re looking for a pocketed door system, wall-mounted system, hanging or floor track system, Show more

16' x11' factory door made with 6mm Luan Plywood Skins

True Flat Door

True flat attributes can also be seen in the many Applications that require any material to be perfectly straight.

Door in photo is an oversize sliding door w/6mm marine grade plywood skin and weighs only 300 lbs. Specially designed Show more

Sing Core factory doors are very light weight

Lightweight Panel

Sing Honeycomb sandwich panels are strong, flat, and lightweight. A 4’ x 8’ x 1 ½” panel with 1/8 “ Luan skins, and solid wood edging weighs in at about 40 lbs. A standard sheet of plywood weighs in at about 160 lbs. Commonly used as lightweight plywood, Show more

Sing Core factory doors are very strong

Reinforced Sandwich Panel Strength

Sing Honeycomb panel is stronger than solid wood, plastic, metal, glass, brick, and concrete in terms of lbs. per lbs comparison. Sing Core based on Show more


Rot Resistant Characteristics

Even without coating, Sing Honeycomb sandwich panels outlast plywood, solid wood, MDF, and particle board. Plywood and engineered wood rot and crack because of the weak glue layers. Sing Honeycomb panels last because Show more


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