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Trimvent® SM

Aluminium slot ventilator


Trimvent SM vent is a surface mounted aluminium slot ventilator that fits over a 10mm or 12mm slot in a window and provides an Equivalent Area (EA) of up to 5000mm² when fitted with an SM canopy.

The Trimvent SM is available in made to measure sizes or in bar length in a variety of colours.

Suitable for

  • PVCu

Features & Benefits

  • Compression closing action
  • For use over 10mm or 12mm slot, ideal for slim sections
  • Flexible PVCu seal for improved weather tightness
  • Ideal for retrofit applications, over a slot or series of holes*
  • Available in bar length for cutting to size by customer (details on request)
  • Special paint finishes available
  • Based on successful Trimvent® principle
  • Deflects air up and down
  • Thermally insulated
  • Matching screw covers
  • Patented design
  • When specified correctly complies with Building Regulations
    *This may not achieve the marked Equivalent Area

Technical Information

Technical Information


Product Product Code (L) Length (W) Width (P) Projection Closed-Open EA (mm²) Free Area (mm²) Slot Detail /
Free Area of Slot (mm²)
SM 1500EA 314 vent (10mm slot) TA902 314 15 15.5 – 23 1500 2048
SM 302 aluminium canopy TA906 302 17 24.5
SM 1500EA pack TA952
SM 2900EA 457 vent (12mm slot) TA903 457 15 15.5 – 23 2900 4006
SM 445 aluminium canopy TA907 445 17 24.5
SM 2900EA pack TA953
SM 3500EA 544 vent (10mm slot) TA901 544 15 15.5 – 23 3500 4097
SM 532 aluminium canopy TA905 532 17 24.5
SM 3500EA pack TA951
SM 4000EA 635 vent (12mm slot) TA909 635 15 15.5 – 23 4000 6027
SM 588 aluminium canopy TA912 588 17 24.5
SM 5000EA 700 vent (12mm slot) TA913 700 15 15.5 – 23 5000 6750
SM 705 aluminium canopy TA914 705 17 24.5

Bar length codes on request.
EA figures above and marked on vents are achieved when fitted to manufacturer’s recommendations.
Tested in accordance with BS:EN 13141-1 (2004).

Manufactured from

Vent – Aluminium 6063 HIT T6 & PVCu seal, canopy –
Aluminium 6063 HIT T6, PP (UV Stable)

Recommended screws

3.5mm (No.6) Pan or Round Head or equivalent


Tested in accordance with BS EN 13141-1:2004 (airflow, air leakage and weather tightness)
Acoustic performance tested in accordance with BS EN ISO20140-10:1992, BS EN ISO140-10:1991 and single figures to BS EN ISO717-1:1991


(Full test details available on request)
Equivalent Area – See above
Free Area – See above
Air Leakage (m³/hr @ 50Pa) – 1.72 (2900EA version)
Water Resistance (Pa) – 750
Acoustic Dn,e,w (+/-) – 2900EA version – vent open 33 (-1;0), vent closed 51 (-1;-4)


Suffix product code with:
-020 (white), -023 (brown), -002 (black),
PVCu Canopy: -393 (white)
Other colours available contact sales for details



Manuals and Documentation

Trimvent SM - Fixing Instructions

297.62 KB (English)

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Trimvent SM - Fixing Instructions (Bar Length)

891.79 KB (English)

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Trimvent SM - Catalogue Page

847.98 KB (English)

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