Duct Sealant, OS120 (Box of 12)

Duct Sealant, OS120 (Box of 12)

OS120 is a rapid curing duct sealant which gives a firm but flexible seal in low movement joints.

It has been designed for permanent sealing in low, medium & high pressure ductwork installations to prevent loss of air pressure.

380 ml per cartridge


When correctly applied, the product is capable of sealing to the air leakage requirement of Class C to HVCA standard DW 144.

  • Prevents air leakage in low, medium and high pressure ductwork
  • Can be used to meet requirements of Class C to HVCA standard DW 144
  • Rapid curing - allows fast track sealing of ductwork


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We aim to dispatch our UK Mainland orders on a Next Working Day Delivery via our courier service and delivery is FREE when you spent over £100 inc VAT with us.  

Delivery Options

FREE Delivery over £100 (2-5 days)        £0.00

Standard Delivery (2-5 days)                     £6.99

Next Day Delivery*                                     £12.99

Next Day Delivery (Before 12) *             £19.99


All delivery times are Monday - Friday excluding public holidays and *orders must be placed before 11am to guarantee Next Day Delivery


If you need to return a product within 30 days, we are happy to refund the product provided it is returned, as sold, with all the original packaging, tags, labels and accessories.

To proceed with a refund please complete this RMA Form


Refunds / Returns

We are happy to refund the product provided it is returned in a re-sellable condition, please make sure it is in it's original box with all accessories. To proceed with a refund please complete this RMA Form Refunds All refunds will be issued to the payment method used on your original order.



Re-stocking fees?

Occasionally we may need to charge a re-stocking fee because our suppliers charge us a re-stocking fee. We will make every effort to avoid this but occasionally it is un-avoidable.


I've sent my package, how long will the refund take?

We aim to make the returns process as quick as possible, by making sure all associated paperwork is correctly submitted this will speed up the transaction.


  • Views: 1669
  • Product Code: OS120
  • Availability: In Stock
  • £3.59
  • Ex VAT: £2.99
This product has a minimum quantity of 12

Tags: Sealants, Adhesives, Interior, Butyl, Synthetic Rubber,