Stock SIP panels: 5-10 working days

ULTRASIPS

6m x 4m SIP Studio with Bifold Opening

122mm walls and roof, splines, fixings, and waterproofing membrane. Floor sold separately.

£7,219.39

Inc VAT. Choose delivery or collection at checkout.

6m x 4m SIP Studio with Bifold Opening

Delivery is calculated separately.

Delivery is calculated at checkout from the project size, postcode zone, and vehicle load. Collection is free.

Please make sure suitable offloading is available on site. HIAB/Moffett/offloading assistance is not supplied as standard.

Not sure this is the right SIP product?

Send us your sizes, drawings, or intended use and we'll check the panel thickness and package before you order.

Stock

Available to order

What you get

What you get with this garden room kit

A clear wall and roof SIP shell using 122mm panels as standard, with the fixing and weathering essentials separated from optional extras.

Wall and roof SIP shell
Splines, fixings and membrane
Floor, glazing and installation kept separate

Before you order

  • Custom kits and bespoke builds have a separate lead time confirmed with your order.
  • Basket pricing is checked before checkout, so you will be prompted to refresh if a stored basket has old prices.
  • Choose delivery or collection at checkout. Delivery quotes use postcode and load size.

Included

  • 122mm SIP panels for walls and roof
  • Splines, fixings, and waterproofing membrane
  • UK-made SIP materials with a clear kit specification

Not included unless stated

  • Floor kit unless selected separately
  • Windows, doors, cladding, foundations, and installation unless explicitly included
  • Delivery and unloading, confirmed separately at checkout

Need help before ordering?

Read the SIP panel, kit, delivery, structural allowance and installation FAQs before placing an order.

View FAQs

Why customers choose UltraSIPs

UK workshop supportPanel schedules where neededInstant courier quoting where availableTurnkey install support available

Garden room kit specification

This garden room kit includes 122mm SIP panels for the walls and roof only, plus splines, fixings, and waterproofing membrane. The floor is sold separately if needed. SIP thicknesses can be changed before ordering.

122mm SIP shell

A stronger garden room SIP shell specification for larger layouts. Thickness upgrades are available.

Clear kit contents

Supplied as a SIP wall and roof shell with splines, fixings, and waterproofing membrane. Windows, doors, cladding, floor, delivery, and installation are separate unless stated.

Details

A 6m x 4m SIP studio shell with a wide front opening and extra internal volume for work, fitness, music, or leisure use.

What is included

  • 122mm SIP panels for the walls and roof only.
  • Splines, fixings, and waterproofing membrane for the SIP shell.
  • Openings as shown for the selected kit layout.
  • Clear kit specification so you know what is being supplied.

What is not included unless stated

  • SIP floor kit. Floors are sold separately if required.
  • Windows, doors, rooflights, cladding, foundations, electrics, plumbing, heating, and internal finishes.
  • Installation and delivery. Delivery unloading is handled by the client unless agreed separately.

Higher SIP thicknesses and specification changes are available before ordering. If you need a floor, thicker panels, installation, or help checking the layout, contact UltraSIPS before checkout.

SKU: garden-room-studio-6x4

Delivery

Delivery is charged separately and calculated from postcode zone and order size. Collection is free.

Delivery details

Need drawings?

Send your sketch for a same-day review and an engineered layout. Drawing orders are supplied digitally to the agreed scope.

Send drawings

Thermal data

Check indicative U-values before confirming the final specification.

Check U-values

Thickness guide

Not sure which SIP panel to choose?

122mm

Garden rooms

A practical starting point for non-habitable outbuildings, studios and garden rooms.

172mm

Extensions

Usually the safer default for habitable spaces, annexes and Building Control routes.

222mm

High performance

Used where lower U-values or stronger roof performance are part of the brief.