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150mm Timloc Underfloor Vent Vertical Extension Sleeve – For Telescopic Vent Systems – LOC1204 (PACK OF 20)
+ 150mm Timloc Underfloor Vent - Vertical Extension Sleeve - 1204 (Box Of 20) - LOC1204
£64.99 ex. VAT £54.16
Overview ✕

Features & Benefits
🏗️ Adds Extra Vent Height – Extends the telescopic underfloor vent by 150mm, accommodating 6 to 7 brick courses for deeper floor voids.
🔩 Perfect System Fit – Designed for use with Timloc telescopic underfloor ventilators, ensuring a seamless, airtight connection.
🌬️ Improves Subfloor Ventilation – Helps maintain effective airflow under suspended floors, reducing damp and condensation risk.
🏠 Ideal for New Builds & Retrofits – Suitable for both residential and commercial ventilation installations.
🧱 Durable & Weather-Resistant Plastic – Tough plastic body designed to withstand outdoor exposure and prevent corrosion.

Description
The 150mm Timloc Underfloor Vent Vertical Extension Sleeve (LOC1204) is the ideal solution for extending telescopic underfloor ventilators in buildings with deeper floor voids. Fitting securely between the upper and lower sections of the vent, it allows vertical adjustment for 6 to 7 brick courses (up to +150mm). This extension helps maintain consistent subfloor airflow, protecting timber floors from dampness and decay. Manufactured from high-quality, weather-resistant plastic, it ensures a long-lasting and reliable installation for both new build and renovation projects.

Delivery Details ✕

 

Our Delivery Options

Express 1/3 Day Delivery

  • Delivery Fee:
    • £3.79 delivery for orders under £30
    • Free delivery for orders over £30
  • Order By:
    • 2:30pm 
  • Delivery Time: Before 6pm Monday-Friday

Next Business Day Delivery

  • Delivery Fee:
    • £7.50
  • Order By:
    • 2:30pm 
  • Delivery Time: Before 6pm Monday-Friday

Pre-12 Next Business Day Delivery

  • Delivery Fee: £16.99 delivery for all pre-12 orders (Weekend Only)
  • Order By:
    • 2:30pm 
  • Delivery Time: Before 12pm Monday-Friday

Remote Areas Delivery

  • Delivery Fee:
    • £3.99 
  • Order By:
    • 2:30pm 
  • Delivery Time: Standard delivery (2-4 days)

Weekend Delivery

  • Delivery Fee:
    • £19.99
  • Order By:
    • 2:30pm Friday
  • Delivery Time: Before 6pm Saturday

Good To Know

For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available and delivery can take several days. Saturday delivery is not available for remote areas.

Items over 30kg: Items over 30kg can only be delivered from Monday to Friday. If ordered before 3pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.

 

 

 

 

150mm Timloc Underfloor Vent Vertical Extension Sleeve – For Telescopic Vent Systems – LOC1204 (PACK OF 20)

Frequently bought together

150mm Timloc Underfloor Vent Vertical Extension Sleeve – For Telescopic Vent Systems – LOC1204 (PACK OF 20)

£64.99

+
(BOTTLE OF 1L) Grout Cleaner – Fast-Acting, Acid-Free Tile & Floor Grime Remover for Bathroom, Kitchen & Outdoor Use

£12.99

+
15 x 200mm Toughsheet Damp Proof Membrane – Black BBA Approved DPM Made from 100% Recycled Materials for Concrete Floors & Foundations (BAG OF 2)

£10.99

Total price:

BRAND: TIMCO

150mm Timloc Underfloor Vent Vertical Extension Sleeve – For Telescopic Vent Systems – LOC1204 (PACK OF 20)

purchased in the last 24 hours
£64.99 inc VAT
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£54.16 ex VAT
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Frequently bought together

150mm Timloc Underfloor Vent Vertical Extension Sleeve – For Telescopic Vent Systems – LOC1204 (PACK OF 20)

£64.99

+
(BOTTLE OF 1L) Grout Cleaner – Fast-Acting, Acid-Free Tile & Floor Grime Remover for Bathroom, Kitchen & Outdoor Use

£12.99

+
15 x 200mm Toughsheet Damp Proof Membrane – Black BBA Approved DPM Made from 100% Recycled Materials for Concrete Floors & Foundations (BAG OF 2)

£10.99

Total price:

Features & Benefits
🏗️ Adds Extra Vent Height – Extends the telescopic underfloor vent by 150mm, accommodating 6 to 7 brick courses for deeper floor voids.
🔩 Perfect System Fit – Designed for use with Timloc telescopic underfloor ventilators, ensuring a seamless, airtight connection.
🌬️ Improves Subfloor Ventilation – Helps maintain effective airflow under suspended floors, reducing damp and condensation risk.
🏠 Ideal for New Builds & Retrofits – Suitable for both residential and commercial ventilation installations.
🧱 Durable & Weather-Resistant Plastic – Tough plastic body designed to withstand outdoor exposure and prevent corrosion.

Description
The 150mm Timloc Underfloor Vent Vertical Extension Sleeve (LOC1204) is the ideal solution for extending telescopic underfloor ventilators in buildings with deeper floor voids. Fitting securely between the upper and lower sections of the vent, it allows vertical adjustment for 6 to 7 brick courses (up to +150mm). This extension helps maintain consistent subfloor airflow, protecting timber floors from dampness and decay. Manufactured from high-quality, weather-resistant plastic, it ensures a long-lasting and reliable installation for both new build and renovation projects.

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Free express delivery on all orders over £30. Choose your speed at checkout.

Express Delivery

1–3 working days

Orders under £30
£3.79
Orders over £30
FREE

Next Day Delivery

Order by 2pm Mon–Fri

All orders
£7.50
FREE for Gold members

Pre 12 Delivery

Next working day, by midday

All orders
£16.99

Pre 10.30 Delivery

Next working day, by 10:30am

All orders
£19.99

Weekend Delivery

Saturday & Sunday

Orders under £30
£13.99
Orders over £30
£7.50

Remote Areas Delivery

Highlands, islands & remote postcodes

Orders under £30
£5.49
Orders over £30
£3.00

Orders before 2pm Mon–Fri dispatch same day. Remote-area surcharges apply to Highlands, islands & selected postcodes. All prices include VAT.

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