The component library

Every part of a conversion, three ways.

156 products across 84 subcategories, in budget, mid and premium. Weights marked verified carry a source; everything else is an estimate worth checking against the spec.

Insulation & Lining

11

Walls, Floor & Ceiling

Trims & edging

1–4 kg typical

Finishing trims. Light.

  • Budget

    Edge trims, beading, threshold strips

    generic

    2 kgest.≈ £40

    Finishing trims around windows, floor edges, panel joins. Light.

Windows & Body

13

Windows & Ventilation

Acrylic hinged window (Seitz-style)

2.5–6 kg typical

~40% lighter than glass, double-glazed, integrated blind+screen. Needs timber frame-out on panel vans.

  • Mid

    Dometic Seitz S4 hinged window

    Dometic Seitz

    4 kgest.≈ £250

    Premium standard: double-glazed acrylic, integrated blind + flyscreen, friction hinges. ~40% lighter than glass. Needs timber frame-out on panel vans; stands slightly proud.

  • Mid

    Arctic Tern double-pane acrylic window

    Tern Overland

    4 kgest.≈ £200

    Seitz alternative — double-glazed acrylic, day/night shade + screen, swings out on struts. Light, well-liked.

Bonded fixed window (glass)

3–8 kg typical

Cheap, flush, stealthy, single-glazed. Cutting aperture irreversible — plan early.

  • Budget

    Bonded privacy glass window

    generic OEM-style

    5 kgest.≈ £90

    Factory-style bonded glass — flush, stealthy, cheapest. Single-glazed, smashable, leak-prone if fitted badly. Cutting irreversible.

  • Mid

    Bonded openable/sliding glass window

    generic

    7 kgest.≈ £150

    Sliding glass for airflow, flush look. Heavier (glass), usually no blackout. Ventilation + stealth.

Roof skylight / rooflight

2–6 kg typical

Light + a bit of vent. Cutting roof irreversible — seal thoroughly.

  • Budget

    MPK / basic acrylic rooflight (400x400)

    MPK

    2.5 kgest.≈ £60

    Weight sits high — raises the centre of gravity.

    Passive rooflight for light + a bit of vent. Light, cheap. Cutting roof irreversible — seal thoroughly.

  • Premium

    Outbound VAN / double-glazed roof window

    Outbound/Dometic

    4 kgest.≈ £300

    Weight sits high — raises the centre of gravity.

    Premium double-glazed roof window (~30% lighter than full double-glazed). Clear, scratch-resistant, better thermal.

Window fitting kit

1–3 kg typical

Adhesive/frame-out/trim/sealant. Waterproofing is critical.

  • Budget

    Bonding kit / timber frame-out + trim + sealant

    Sika/generic

    2 kgest.≈ £40

    Weight sits high — raises the centre of gravity.

    Urethane adhesive + primer (glass) OR timber frame-out (Seitz on panel vans) + trim. Waterproofing critical.

Comfort & Interior

17

Comfort & Soft Goods

Blinds / curtains / window covers

1–4 kg typical

Cab thermal screens are the biggest quick comfort/insulation win.

  • Budget

    Thermal blackout curtains / cab covers

    generic

    2 kgest.≈ £60

    Privacy + thermal + blackout. Cab thermal screens are a huge heat-loss fix. Light. (Seitz windows have integrated blinds.)