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Straight 2 Site

Timloc Telescopic Underfloor Vent 3-5 Courses (1201)

Timloc Telescopic Underfloor Vent 3-5 Courses (1201)

Regular price €57,99
Regular price Sale price €57,99
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Pack Size 20

Adjustable ventilator to provide ventilation beneath suspended ground floors up to 5 brick courses. With incorporated grille to prevent vermin entry.

The vertical height of the ventilator unit adjusts to suit between 3 and 5 brick courses (225mm-375mm) with a minimum cavity width of 50mm.

We have an extensive range of easy-to-fit horizontal and vertical extension accessories, that do not restrict airflow, to adapt the unit for various applications.

Uses:

  • To provide ventilation below suspended ground floors
  • Installation Advice
  • Always use in conjunction with a Timloc airbrick. The airbrick and upper front opening of the telescopic underfloor ventilator must be positioned above the finished external ground level – usually at the same level as the ground level DPC.
  • The lower rear opening of the product must project down to the level of the underfloor void and must not be obstructed by the floor construction. A vertical extension sleeve is available to fit with this product if the standard 5 course step is not adequate.
  • Building Regulations require a free airflow below suspended ground floors of at least 1500mm2 per metre run of wall. This can be achieved by spacing the ventilators at 4m centres, however, such a wide spacing is not recommended as stagnant air pockets could form in the underfloor void. Timloc recommend a spacing of not more than 2m centres to comply with NHBC standards.
  • The NHBC recommend that underfloor ventilators are spaced at a maximum of 2m centres, with ventilators also positioned not more than 450mm from the ends of the wall 1201 telescopic underfloor vent Adjustable ventilator for ground floors up to 5 brick courses incorporating vermin grille.
  • As a minimum requirement, ventilators should be positioned down two opposite sides of the building so as to create a cross flow ventilation action. It is good practice to position ventilators around the full perimeter of the building, particularly with complex building designs
  • If the underfloor void is separated by dividing walls, openings must be provided to allow a free flow of air around the underfloor void.
  • The standard ventilator will fit into a cavity wall with an external leaf of 100-102.5mm, a minimum cavity width of 50mm and a cross cavity of 100mm. External and internal horizontal extension sleeves are available to accommodate thicker walls or wider cavities.
  • To be installed with a DPC Cavity tray and wall weeps to collect any water ingress. We recommend Timloc’s IL4 and 2 weeps (Invisiweep or 1143).
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About Us

At Straight 2 Site, we are dedicated to providing our customers with the best products and services that the building and construction industry has to offer. Since being established in 2017 we have processed over 10,000 orders, we specialize in all types of building and construction products, from Concrete Tools, Reinforcement Spacers, Formwork Accessories to Waterproofing Systems and Tying Systems.