Mastic Structure Insulated Vinyl Siding D6, 12 ft 6 in. and 16 ft 8 in. Panels, Foam-Backed, Multiple Colors
Mastic Structure D6 is insulated vinyl siding that combines vinyl panels with high-performance expanded polystyrene foam for a continuous insulation blanket over exterior walls. Panels are 12 ft 6 in. or 16 ft 8 in. long in a wide color assortment. Each sell unit is a piece, box or square of the selected color and length.
Key Features:
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Continuous insulation: Vinyl siding bonded to expanded polystyrene foam wraps the home in a continuous insulation blanket for winter warmth and summer coolness.
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Energy savings: High insulating power lowers energy bills, shrinks your carbon footprint and reduces noise.
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Impact resistant: Foam-backed rigid substrate gives up to 300% more impact resistance than standard vinyl.
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Tight interlock: Panels grip together with a uniquely designed lock that tightens under pressure so siding stays put in challenging weather.
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Wood look: Wide D6 panels look and feel like traditional wood siding.
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Long lengths: Offered in 12 ft 6 in. and 16 ft 8 in. panel lengths for fewer seams.
Specifications Table:
| Specification |
Details |
| Brand |
Mastic |
| Sell unit |
Piece, box, carton or square depending on variant |
| Product line |
Mastic Structure Home Insulation System D6 |
| Material |
Vinyl siding with expanded polystyrene foam backing |
| Available colors |
White, Almond, Silver Gray, Scottish Thistle, Pebblestone Clay, English Wedgewood, Montana Suede, Cameo, Deep Granite, Desert Sand, Harbor Gray, Misty Shadow, Rugged Canyon, Wicker, Victorian Gray, 290 Russet Red, Autumn Harvest, Classic Cream, Sage |
| Available sizes |
12 ft 6 in.; 16 ft 8 in. |
| Dimensions |
D6 profile, panel length 12 ft 6 in. or 16 ft 8 in. |
| Length |
12 ft 6 in. or 16 ft 8 in. |
| Profile |
D6 (double 6 in.) |
| Intended use |
Exterior wall cladding with integrated insulation |
Coverage & How Much You Need:
Siding is sold by the square (100 sq ft) as well as by piece, box or carton depending on the variant. Estimate wall area in square feet, divide by 100 for squares, and add 10% for laps and cuts.
Fit and Compatibility:
Installs with standard Mastic siding accessories including starter strip, corner posts, J-channel and trim, sold separately. Some variants of this line are also offered under the Owl premium label; order the same color family for a consistent wall.
Frequently Asked Questions (FAQ):
Q: What comes in a sell unit?
A: Depending on the color and length variant, one piece, box, carton, square or each; the listing for each variant states its unit.
Q: How does the insulation help?
A: The expanded polystyrene foam and rigid substrate increase the R-value of exterior walls, helping save energy, and also damp outside noise.
Q: Is it dent resistant?
A: Yes, the foam backing and rigid substrate deliver up to 300% more impact resistance than standard vinyl siding.
Q: How is it installed?
A: Panels grip together with a pressure-tightening lock for fast installation; use standard vinyl siding tools and Mastic trim accessories.
Q: How do I size the job?
A: Measure wall area in square feet, divide by 100 to get squares, and add about 10% for laps, cuts and waste.
Q: What lengths are available?
A: Most colors come in 12 ft 6 in. panels; select colors are also offered in 16 ft 8 in. for fewer seams.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Insulated D6 is the right pick when you want wall R-value, impact resistance and noise reduction in one cladding step, especially on remodels where adding sheathing insulation is impractical. The 16 ft 8 in. panels reduce end laps on long walls, giving a cleaner read. Follow the manufacturer's nailing pattern and do not over-drive nails, or the foam-backed panel will not hang and lock freely.
Use fall protection and ladder safety practices when working at height, and follow local building codes for wall cladding installation.
Upgrade to Mastic Structure D6 insulated vinyl siding for a warmer, quieter, more impact-resistant home.
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