Garden office pod panels are structural insulated panel (SIP) systems engineered for garden offices, pods, and year-round garden rooms where continuous comfort and energy efficiency are essential. Each panel sandwiches a rigid polyurethane or EPS foam core between two structural oriented strand board (OSB) skins, factory-fabricated to precise dimensions for rapid on-site assembly without specialist framing skills or wet trades.
Factory-controlled lamination produces airtightness below 1 m³/hr/m² at 50 Pascals, delivering thermal performance that makes the space genuinely comfortable year-round without excessive heating costs. Wall and roof U-values exceed UK Building Regulations Part L requirements, enabling garden rooms that perform closer to a house extension than a traditional shed.
Standard configurations include 97mm SIP walls, 108mm SIP floors, and 122mm SIP roofs, with full packages offering 124mm wall builds and 174mm roof builds when combined with cladding and finishes. Panels are prefabricated under factory control to nearly any design, finished with EPDM rubber roofing membranes, and paired with A-rated double-glazed PVC doors and windows for a weathertight, low-maintenance envelope.
These SIP panels serve home offices, garden studios, gym and wellbeing rooms, hobby workshops, and guest accommodation pods. They support a 15-year structural guarantee, Part L compliance under UK Building Regulations, and compatibility with timber cladding, render, and laminate flooring for versatile outdoor living space.
Your Trusted Manufacturer for Garden Office Pod Panel
RaxPanel operates a dedicated SIP lamination line for garden room panels at our Hebei, China facility, where OSB skins are bonded to polyurethane and EPS cores under controlled pressure and temperature. Each production run is monitored for bond line consistency, ensuring the airtightness and dimensional accuracy that garden office pods demand for year-round comfort.
Our quality process includes per-batch airtightness verification at 50 Pascals and dimensional tolerance checks on every panel before packing. With a daily production capacity exceeding 1,700 m² and exports to more than 30 countries and regions, we supply SIP packages to garden room builders across Europe, Australia, and North America who require Part L compliance documentation with every shipment.
- Dedicated SIP lamination line with controlled pressure bonding for consistent airtightness.
- Per-batch 50-Pascal air leakage testing and dimensional tolerance verification before dispatch.
- Full SIP packages supplied with EPDM roofing membranes and double-glazed PVC door and window specifications.
- Part L compliance documentation and 15-year structural guarantee included with every garden room order.
| Parameter | Value |
|---|---|
| Construction | Structural Insulated Panel (SIP) |
| Facing Material | Oriented Strand Board (OSB) |
| Core Material | Polyurethane / EPS foam |
| Wall Panel Thickness | 97 mm (75mm core + OSB) |
| Floor Panel Thickness | 108 mm |
| Roof Panel Thickness | 122 mm |
| Wall U-Value | 0.34 W/m²K |
| Roof U-Value | 0.26 W/m²K |
| Airtightness | < 1 m³/hr/m² at 50 Pascals |
| Compliance | Part L (UK Building Regulations) |
| Roof Finish | EPDM rubber membrane |
| Glazing | A-rated double-glazed PVC |
| Structural Guarantee | 15 years |
| Fabrication | Factory-controlled, custom dimensions |
| Applications | Home offices, studios, gyms, guest pods |
Garden Office Pod Panel Selection Guide
Garden office pods are small, fully insulated structures that must meet building-regulation thermal standards while fitting within permitted-development size limits. Panel specification determines whether the pod is comfortable year-round without excessive heating or cooling.
Pro Tip: Confirm U-Value Against Local Building Regulations
Garden office pods in most European climates need U-values at or below 0.25 W/m²K to meet permitted-development insulation standards. An 80-100 mm PU panel achieves this without additional interior lining, preserving the pod’s internal floor area.
Garden office pods in most European climates need U-values at or below 0.25 W/m²K to meet permitted-development insulation standards. An 80-100 mm PU panel achieves this without additional interior lining, preserving the pod’s internal floor area.
1. Panel thickness and year-round comfort
A 80 mm PU panel delivers a U-value near 0.25 W/m²K, sufficient for three-season use in temperate climates. For full winter occupancy with a small electric heater, 100-120 mm panels bring the U-value below 0.20 W/m²K and eliminate the cold radiant effect from walls and ceiling that makes thin-walled pods uncomfortable below 5°C outdoor temperature.
2. Vapour control and condensation prevention
A single occupant generates 40-60 g of moisture per hour through breathing and a laptop. In a sealed 6 m² pod, this raises relative humidity quickly. A vapour control layer on the warm side of the insulation, combined with a trickle vent or mechanical extract fan, keeps the panel core dry and prevents condensation on the interior skin during cold mornings.
3. Acoustic privacy for calls and meetings
Standard 80 mm PU panels with 0.5 mm steel skins provide approximately 25-28 dB sound reduction, adequate for garden background noise but not for confidential calls. For video meetings, specify 100 mm mineral wool core panels that achieve 35+ dB, or add a secondary interior lining with a 20 mm air gap to boost the installed Rw by 5-8 dB.
4. Foundation and floor panel integration
Pod panels slot into a galvanised steel base frame that sits on ground screws or a concrete slab. Floor panels use high-density PU or PET core at 100 mm to resist furniture point loads and provide a thermal break from the ground. The floor-to-wall joint uses a compression gasket to maintain the airtight envelope at the most vulnerable junction.
Frequently Asked Questions
Do garden office pods need planning permission?
In most UK and EU jurisdictions, pods under 2.5 m height and 15 m² floor area fall under permitted development if they meet insulation and setback requirements. Always confirm with the local planning authority before installation.
Can the pod be connected to mains electricity?
Yes. Panels are pre-drilled for cable entry with sealed grommets. A licensed electrician runs an armoured cable from the house consumer unit to a small distribution board inside the pod.
What is the expected service life of a garden pod?
With PVDF or polyester-coated steel skins, the panel envelope lasts 25+ years. The gel-coat or paint finish may require a refresh coat after 15 years in high-UV or coastal locations.
How is the pod delivered and assembled?
Panels ship flat-packed on a pallet and assemble on site in 1-2 days with two people. Wall panels slot into the base frame, the roof panel lifts on, and all joints lock with cam-lock or tongue-and-groove connections.
Sandwich Panel Manufacturer
Custom Core & Skin • Tailored Dimensions