ST-mat made from black flex rubber foam (adhesive side view)
st mat sound and thermal liner for your car, van and campervan
ST-mat made from black flex rubber foam (top view)

ST-Mat Closed-Cell Rubber Foam Insulation – Van Thermal & Sound Liner (1 m wide)

Price range: €14.80 through €29.00 incl. VAT

Self-adhesive closed-cell rubber foam that insulates against heat, cold and noise. Water-resistant, moisture-proof and fire-retardant. Available in 3, 6, 10, 19 and 25mm. Sold per linear metre, 1 m wide. 1 unit = 1 m × 1 m; 2 units = 2 m × 1 m in one continuous piece, and so on.

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Description

Layer 2 · InsulationSound + thermal

Sound and thermal insulation in one self-adhesive layer

ST-Mat is a self-adhesive closed-cell rubber foam that keeps out heat, cold and noise. It’s light and very sticky, so it follows the curves and corners of a campervan interior and stays put. You can also use it as a van thermal liner.

Key benefits

  • Sound and heat in one layerInsulates against heat, cold and noise, so you fit one material instead of two.
  • Moisture-proof and fire-retardantClosed-cell rubber foam that’s water-resistant too.
  • Follows every curveLight and flexible, with a very strong adhesive that stays put on curved van panels.
  • One piece, your length1 m wide and sold by the metre. Order 3 units and you get one 3 m length.

Specifications

Thickness 3, 6, 10, 19 or 25 mm
Size 1 m wide, sold per linear metre2 units = 2 m × 1 m in one continuous piece, and so on
Coverage 1 m² per unit
Material Closed-cell (flexible) rubber foam, self-adhesive
Properties Water-resistant, moisture-proof, fire-retardant

Available thicknesses

  • 3 mm
  • 6 mm
  • 10 mm
  • 19 mm
  • 25 mm

Where to use it: which thickness?

Thickness Where InShop uses it
3 mm Under a plywood floor laid without battens. It’s the only thickness to use there, because thicker foam compresses over time and lets the ply flex. Also the full-floor layer over 6 mm rib strips.
6 mm Van door frames, over 1.5 mm sound deadening mat. Strips cut to the height of corrugated floor ribs.
10 mm Side panels and wheel arches. Under the bonnet on vintage cars (fire-retardant).
19 / 25 mm Campervan walls and roofs where you have the depth, or between floor battens. Generally, the thicker the insulation, the better the result.

ST-Mat is layer 2: fit it over sound deadening mats. See Soundproofing Basics and our project examples.

How to install

  1. Clean the surface with panel thinners or an alcohol-based cleaner. Don’t use white spirit, as it leaves an oily film.
  2. Cut the exact shape first. The adhesive is very strong and the foam can’t be peeled off again without damage.
  3. Peel back one corner of the backing and stick that corner down. Then slowly peel away the rest while pressing the foam on.

More help: installation guide · Soundproofing Basics

Pairs well with

  • Stocked in KilkennyShipped from our premises at Hebron Industrial Estate
  • Ships immediatelyIn-stock orders placed before 3pm Mon–Fri leave the same day · Delivery
  • Trade customers welcomeApply for a trade account
  • Help on WhatsApp+353 83 088 8713 · Mon–Fri 10am–5pm

Additional information

Weight 1.2 kg

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