Choose overlap for basic storage on a tight budget; favour thicker, well-framed tongue-and-groove panels for a shed you will use frequently. Shiplap describes the board profile and can also have tongue-and-groove joints. Compare the wall construction before paying extra for a name.
Forest's guide illustrates overlap, shiplap tongue-and-groove and flat-profile tongue-and-groove construction. Use the cross-section of the actual product to understand its joint. See the manufacturer’s construction examples.
Read the whole wall specification
A board label leaves several purchasing questions unanswered. Ask for board thickness, framing dimensions and spacing, panel layout, treatment and the way panels are joined at the corners. Request those details for the exact model, not a higher specification shed elsewhere in the range.
Two sheds can share a cladding label while differing in their doors, floor and roof. Do not spend the entire upgrade budget on wall boards if the item you need to store will not pass through the doorway. Put the product drawing beside your storage layout before comparing construction.
Use a short comparison sheet
- What is the board profile, and what is its stated thickness?
- Which floor and roof materials are included?
- What timber treatment has been applied, and what work must you do?
- Are the door hinges, latch and glazing specified?
- Can damaged boards or whole panels be obtained later?
What the label cannot tell you
Cladding terminology does not certify insulation, burglary resistance or a maintenance-free life. If you need a workshop with controlled conditions, define that requirement separately. A garden storage shed should not quietly become an occupied garden-room project just because its boards are thicker.
Where two suppliers use different names for similar profiles, ask for drawings and compare the construction directly. Keep any clarification with the order confirmation.
Your next step
Sources and method
- Forest Garden shed buying guide · checked 2026-09-19