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
Insulation & Sound Deadening
Sound deadening (butyl mat)
4–12 kg typical
Heaviest insulation item BY DESIGN. Only ~40-50% coverage on large flat panels — do not over-apply.
- Budget
Butyl deadening mat (Silent Coat/Killmat)
generic
6 kgest.≈ £60Peel-and-stick vibration damping. Apply in PATCHES at ~40-50% coverage. 2-2.5mm worth it. Do not over-apply.
- Mid
Dodo DEADN Pro (~3.7m2 pack)
Dodo Mat
8 kgest.≈ £90Fire-retardant butyl, won't absorb moisture. One 3.7m2 pack treats a typical van at 40-50%.
- Premium
Dodo DEADN Hex (low-weight)
Dodo Mat
5 kgest.≈ £110Lower-mass butyl — quiet drive without unnecessary weight. The payload-conscious deadening choice.
Thermal insulation
3–10 kg typical
LIGHT. Wool/Thinsulate/recycled/PIR. Barely moves payload.
- Budget
Recycled plastic loft insulation
generic
4 kgest.≈ £40Cheapest effective option — tear and shove into cavities. Very light. Popular budget choice.
- Mid
3M Thinsulate (SM600)
3M
5 kgest.≈ £180Synthetic, non-off-gassing, hydrophobic, sound-absorbing. Easy to fit, light. Van-build favourite.
- Mid
Sheep's wool batts
Havelock/generic
7 kgest.≈ £200Natural, breathable, moisture-managing, sound-dampening. Slightly messier install. Light overall.
- Mid
Rigid PIR/PU foam board (25mm)
Celotex/Recticel
6 kgest.≈ £90High R-value per thickness, great for floor + flat panels. Light. Doesn't flex to curves.
Vapour barrier, adhesives & tapes
0.5–2 kg typical
Condensation control + bonding + seam sealing. Light consumables.
- Budget
Foil vapour barrier + spray adhesive + tape
generic
1.5 kgest.≈ £40Controls condensation, bonds insulation, seals seams. Light consumables.
Comfort & Interior
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.≈ £60Privacy + thermal + blackout. Cab thermal screens are a huge heat-loss fix. Light. (Seitz windows have integrated blinds.)
- Mid
Made-to-measure thermal blinds / pleated
generic
3 kgest.≈ £180Tailored pop-up/pleated thermal blinds for a neat, insulated finish.