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Roundup Weed Killer

Roundup XL Biactive Weed Killer (5L)

Out of Stock / Season
RRP: 89.99
Price: 71.22
You save: €18.77 (21%)
Bulk Discounts
Quantity 3+
Price 66.23

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Roundup Weed Killer - Description

  • Large Volume of Roundup Professional Weed Killer
  • New Biactive Weed Killer
  • A Foliar Applied Translocated Herbicide
  • Type: Contact & Systemic
  • Kills Annual & Perennial Grasses & Broadleaf Weeds / Plants
  • Fast & Effective Control of Your Garden Weeds
  • Volume: 5 Litres
  • Concentrated Weed Killer
  • Dilute as Per Instructions
  • Container: Plastic & Resealable With Child Resistant Cap
  • Active Ingredient: 360g/l Glyphosate, Present as 441g/l of Potassium Salt of Glyphosate
  • Brand: Monsanto

Roundup Biactive XL - Plant Protection Directive

  • PCS no. 04660
  • User Type: Professional
  • We can only sell this product to...
    • Holders of a Farm Herd Number
    • Those who are registered as a pesticide user with DAFM
  • Please include your herd no. or SUD registration no. in the customer notes section during checkout
  • Please read MSDS sheet provided with this product

Roundup Weed Killer - Uses

  • Use with caution & only as per instructions
  • Do not use within 5m of water ways
  • Roundup can be used to kill persistent weeds such as annual, perennial, narrow leaf & broad leaf weeds
  • Controls the following common weeds: Docks, dandelions, clovers, brambles, plantain, scutch grass, nettles, thistles & more
  • Can be used to control Japanese Knotweed
  • This is a non-selective weed killer
    • It will kill any plant who's foliage it comes into contact with
  • Can be applied to all garden areas 2 weeks prior to sowing
  • A contact, systemic weed killer
  • Once chemical comes into contact with soil, the chemical becomes locked inside clay particles
    • It enters the weed's leaves & works its way through the plant to the roots
  • Do not use in greenhouse or under glass

Roundup Biactive - Directions for Use

  • Please read label for full instructions on use
  • Always use PPE when working with garden & professional use chemicals
  • Only apply when minimum of 6 hours of dry weather is expected
  • Do not use on a windy day
  • Apply in the growing season, preferably when weeds are at or near flowering
  • Always wear protective gloves and mask when using garden chemicals
  • Take great care not to spill or leak weed killer onto plants or lawn areas
  • Keep weed killer in container provided
  • Keep animals and pets away from treated area until weed killer has dried into plants
  • Dilute in water as required

Roundup Biactive - Advantages

  • Unique biactivators speed the herbicide through the waxy leaf surface
  • This improved uptake increases reliability over a vast range of applications and weather conditions
  • A complete product which does not require added surfactant - even at low rates
  • No hazard symbol, sets new standards in operator safety
  • In the environment, provides up to a hundred fold improvement in safety to some of the most sensitive species
  • Just 1 litre of product provides for over 124 litres of weed killer
  • Quickly dissolves in rain water and will not harm your soil
  • Treated area is ready for planting within 2 weeks of application
  • Kills persistent weeds after just one application
  • Saves time on onerous manual weeding
  • Will not harm soil like path clear will
  • A very efficient way of controlling weeds

Roundup - Notes

  • To fully eradicate very persistent weeds such as scutch grass, 3 or 4 applications may be necessary
    • This applies for Roundup & all other glyphosphate based weed killers
  • To improve the 'sticking' quality of the diluted weed killer, add a drop of washing up liquid to the mix

Roundup - SUD Directive

  • For professional use
  • Requires SUD certificate to apply this product
  • PCS: 5161
  • Please read MSDS sheet provided with this product
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Easy to use page, Good price and fast delivery.. Highly Recommended Thank you
Fast delivery

Due to increased volumes in orders, please allow additional time for delivery

Note: We don't ship plants on Fridays due to the extended period they would remain without light & water

Here at we aim to provide a fast, reliable & low cost delivery service

Shipping Options & Rates

  • Standard Courier Delivery With Fastway (3-5 Working Days)
    • Cost is €4.95 on Orders Below €75
    • Free Delivery on Orders Above €75
    • Rep. of Ireland & Northern Ireland Only
  • Express Courier Delivery With Fastway (2-3 Working Days)
    • Cost is around €5 extra for express delivery
    • This service guarantees that any order placed before 4pm will ship from our depot the same day on the next day delivery service *
    • Rep. of Ireland & Northern Ireland Only
  • Express Delivery With DPD (2-3 Working Days)
    • Cost is €3 extra
    • This service guarantees that any order placed before 4pm will ship from our depot the same day on the next day delivery service *
    • Rep. of Ireland & Northern Ireland Only
    • This services comes with text alerts and timed delivery slots which the customer can change to suit themselves
  • 'Seed' Postal Delivery Option ***
    • Cost is €2 - Packet of Seeds ONLY Orders
    • Note: Does Not Apply to Seed Potatoes, Bulbs or Sets ***
    • Rep. of Ireland & Northern Ireland Only
  • Great Britain
    • Cost is €10
    • UK shipping fee covers parcels up to a total weight of 20Kg
  • Western Europe
    • Note: There is no free delivery for Western Europe Deliveries

Bulk Bags & Large Item Pallet Deliveries

  • Bulk bags & large orders are shipped via pallet couriers on a rigid lorry
  • Delivery is to kerbside only
  • If road access to your site is tight, then please advise us before purchasing
  • Please Note: We cannot guarantee next day delivery on pallet deliveries
  • Also, we cannot guarantee delivery on a specific day (Please allow 1-3 days for delivery)
  • It's always best to order well in advance to avoid disappointment
  • Cancellation of pallets when items are already in transit will incur a 40 euro per pallet cancellation fee (To cover return delivery costs)
  • Where pallet delivery can not be made due to site access, a 40 euro per pallet cancellation fee will apply (To cover return delivery costs)

International Delivery Prices & Times

  • Please note max weights below, heavier orders may require additional payment
  • We will contact you to discuss, if max weight of order exceeded


  • The shipping fee is fixed for an order, regardless of the number of items bought
  • All courier orders require signed proof of delivery & the customer must be contactable by phone
  • We do not offer a weekend delivery service (Mon-Fri Only excl. Bank Holidays)
  • * Our courier achieves a 98% success rate on next day deliveries
  • ** Seed postal option applies to seed ONLY orders & is available in all 32 counties of Ireland
  • *** Does not apply to seed potatoes, bulbs or sets