What is Dutch lap siding?
Dutch lap siding is horizontal siding with a shaped upper edge that casts a deep shadow line. Also called German or cove lap, it is documented as a vinyl siding profile.
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What Materials are Used for Dutch Lap Siding?
The Vinyl Siding Institute lists Dutch lap among the profiles made primarily from PVC. Its installation manual identifies PVC as polyvinyl chloride, the main component of vinyl siding. “Vinyl siding is composed mainly of polyvinyl chloride, more commonly known as vinyl or PVC.” Source: Vinyl Siding Institute, read 2026-10-31. “It is manufactured primarily from durable polyvinyl chloride in several different profiles, including single, double, triple, vertical, and Dutch lap (Figure 2).” Source: Vinyl Siding Institute, read 2026-10-31.
What is distinctive about Dutch lap siding?
Dutch lap has a shaped upper edge that casts a deep shadow between courses. The Vinyl Siding Institute also calls the profile cove lap or German siding and lists vinyl course widths of 4 to 6 inches. “The pronounced bevel along the top of the plank projects a deep shadow line.” Source: Vinyl Siding Institute, read 2026-10-31. “Also known as cove lap or German siding, this style of drop siding has no angle on the face but an edge eased to create the appearance of European shiplap or tongue-and-groove siding.” Source: Vinyl Siding Institute, read 2026-10-31. “Course widths range from 4 inches to 6 inches, with panel lengths that go from 12 feet to 25 feet.” Source: Vinyl Siding Institute, read 2026-10-31.
What is the Maintenance Requirement for Dutch Lap Siding?
For the vinyl Dutch lap profile listed in its manual, the Vinyl Siding Institute describes washing with a garden hose. It warns that abrasive cleaners and stiff brushes can change the surface gloss. “It's also possible to wash it down with an ordinary garden hose.” Source: Vinyl Siding Institute, read 2026-10-31. “Avoid using stiff bristle brushes or abrasive cleaners, which may change the gloss of the cleaned area and cause the siding to look splotchy.” Source: Vinyl Siding Institute, read 2026-10-31.
How Durable is Dutch Lap Siding?
The Vinyl Siding Institute lists Dutch lap as a vinyl profile and ties vinyl wind performance to product selection and installation. Its wind-resistance statement below includes that condition. “Vinyl siding is remarkably resistant to high wind, given its light weight and relatively simple installation.” Source: Vinyl Siding Institute, read 2026-10-31. “But in order for it to perform to its potential, it must first be properly selected, and then properly installed.” Source: Vinyl Siding Institute, read 2026-10-31.
Is Dutch Lap Siding Suitable for Every Climate?
The Vinyl Siding Institute lists Dutch lap among vinyl profiles; its temperature guidance says vinyl expands and contracts outdoors. The same manual flags manufacturer requirements for high-wind locations. “Vinyl siding expands and contracts with outside temperature changes.” Source: Vinyl Siding Institute, read 2026-10-31. “However, the manufacturer may have different instructions for their products, or they may have their own special installation requirements that apply in high-wind locations.” Source: Vinyl Siding Institute, read 2026-10-31.
Sources
- Vinyl Siding Installation Manual — Vinyl Siding Institute; read 2026-10-31.
- Architectural Polymers: Profile Considerations — Vinyl Siding Institute; read 2026-10-31.
- Architectural Design for Traditional Neighborhoods — Vinyl Siding Institute; read 2026-10-31.