€24.05€19.55 – €47.24€38.41Price range: €24.05€19.55 through €47.24€38.41 Inc. VATExc. VAT
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€24.05€19.55 – €47.24€38.41Price range: €24.05€19.55 through €47.24€38.41 Inc. VATExc. VAT
Formula 7 timber sleepers are long‑life landscaping sleepers for raised beds, edging and garden projects, with a 20‑year warranty and utility‑grade treatment that outlasts standard softwood and avoids the cracking issues of oak.
The Formula 7 Sleeper is a long-life landscaping sleeper designed for raised beds, garden edging, paths and retaining walls where extra durability really matters. Using advanced Formula 7 preservative treatment, these timber sleepers offer a 20-year warranty and a desired service life of up to 30 years in ground contact when installed correctly.
Why choose Formula 7 timber sleepers?
Outlasts standard softwood sleepers used in most DIY and garden centres, thanks to deeper preservative penetration and higher retention levels.
A long-lasting alternative to oak sleepers, which are prone to cracking, surface checking and irregular edges, while Formula 7 gives a straighter, cleaner finish.
20-year warranty for peace of mind, backed by independently audited production and strict treatment specifications (registration and T&Cs apply).
Developed specifically for Irish and UK conditions, with a 30-year desired service life in ground contact when best-practice installation is followed.
High-specification treatment
Produced from slow-grown Scots Pine, the only softwood species that consistently achieves full sapwood penetration for the Formula 7 specification.
Kiln dried before treatment, then processed in computer-controlled vacuum/pressure plants for unmatched preservative uptake and deeper penetration.
Copper Azole (CA) preservative system proven against rot, fungi and insect attack, adapted from heavy-duty utility poles and railway sleeper technology used across Europe.
Free from creosote, arsenic and chromium, making Formula 7 sleepers safer for family gardens, vegetable beds and children’s play areas.
Sizes available
2.4 m x 200 mm x 100 mm Formula 7 Sleeper
2.1 m x 150 mm x 75 mm Formula 7 Sleeper
These sizes are ideal for raised beds, retaining walls, sleeper steps, lawn edging and general garden landscaping projects.
Typical uses
Raised vegetable beds and timber planters
Garden borders, lawn edging and paths
Sleeper steps, terracing and low retaining walls
Decorative landscaping features and garden structures
How Formula 7 compares to other sleepers
| Feature | Formula 7 Sleeper | Mainstream softwood sleeper | Oak sleeper |
|---|---|---|---|
| Treatment type | Copper Azole CA, deep penetration | Standard pressure treatment | Usually untreated or lightly treated |
| Expected service life | Up to 30 years in ground contact (20‑year warranty) | Typically 5–10 years in ground contact | Long lasting but variable |
| Stability of edges | Straight, uniform edges for clean lines | Can twist or cup over time | Prone to cracking and irregular edges |
| Rot / insect resistance | High, based on utility‑grade systems | Moderate | Good, but surface checking common |
| Safety in gardens | No creosote, arsenic or chromium | Varies by supplier | Generally safe but can splinter |
Key benefits
Long-life, utility-grade treated timber sleeper for landscaping and gardening projects.
Copper Azole Formula 7 treatment for superior protection against rot, fungus and insects.
20-year warranty with registration and up to 30-year desired service life in ground contact.
A durable alternative to standard softwood sleepers and a more stable choice than oak sleepers.
Safe, eco-conscious treatment with no creosote, arsenic or chromium, ideal for domestic gardens.
Spend €1500 or more and get free shipping on your order. (Rep of Ireland and N. Ireland only)
Formula 7® Fence Post Warranty Coverage Period:
This warranty is provided by Wallstown Hardware Ltd. trading as McNamara Fencing (McNamara Fencing) for a period of 20 years from the date of purchase of Formula 7® fence posts.
Coverage: This warranty covers Formula 7® fence posts against structural decay, fungal attack, and damage due to wood-boring insects as outlined below.
Terms and Conditions:
1. Warranty Registration: To activate this warranty, the owner must complete the warranty registration form provided by McNamara Fencing and pay a non-refundable registration fee of €99 plus applicable Value Added Tax (VAT). The registration form and fee must be submitted within 90 days of the purchase date.
2. Non-Transferrable: This warranty is valid only for the original purchaser of Formula 7® fence posts and cannot be transferred to any other party.
3. Coverage Details: This warranty covers structural damage resulting from decay, fungal attack, and damage caused by wood-boring insects, including termites, specifically for the Formula 7® fence posts mentioned in the submitted proof of purchase. It does not extend to issues such as surface cracks, warping, discoloration, damage due to improper installation, impact, fire, or any other non-decay or insect-related causes.
4. Proper Usage: Formula 7® fence posts must be used for agricultural fencing purposes. Any use outside of their specified application may void the warranty.
5. Exclusion of Concrete Installation: This warranty does not cover posts that have been installed in concrete or any other masonry material. Posts installed in this manner are excluded from warranty coverage.
6. Recommendation for Cut or Notched Wood: To ensure maximum longevity and warranty coverage, any cut or notched sections of Formula 7® fence posts should be treated with an appropriate end grain preservative. This will help prevent potential moisture ingress and enhance the overall durability of the treated wood.
7. Claim Process: In the event of structural decay, fungal attack, or insect damage, the owner must promptly notify McNamara Fencing within 60 days of discovering the issue. A completed claim form and certificate of warranty must be provided when filing a claim. The owner must not to dispose of any failed Formula 7® fence posts until the claim has been fully processed and resolved by McNamara Fencing.
8. Inspection and access rights: McNamara Fencing may request, with the property owner’s express consent, access to the land where the Formula 7® fence posts are located. This access will be for the purposes of verifying the accuracy of the information provided in the registration form and assessing any affected posts during the process of a claim for decay, fungal attack, or insect damage. This process may involve the taking of photographs of the fence posts as part of the verification and assessment process. Please be aware that if access is refused and McNamara Fencing is unable to assess the posts in question, this may result in the denial of warranty registration or a claim related to those specific posts.
9. Discounted Replacement Benefit: If the decay, fungal attack, or insect damage is determined to be covered under the warranty, McNamara Fencing will provide a discount towards the purchase of a new fence post. The discount will be initially calculated based on the remaining years in the warranty period and the current price of a replacement post. For example: If a fence post fails after 5 years i.e., 75% of warranty period remaining. McNamara Fencing will offer the end user a discount of 75% against an equivalent new fence post.
10. Exclusions: This warranty does not cover any consequential or incidental damages, labour costs for installation or removal, disposal costs, loss of use, loss of profits, or any other indirect damages.
11. Limitations: McNamara Fencing’s liability under this warranty is limited to providing a discount for the purchase of a replacement post, as outlined in point 9. Warranty coverage shall not extend to any replacement posts supplied.
12. Termination: This warranty will be null and void if the wooden fence posts are altered, moved from their original installed location, modified, or repaired by unauthorized individuals or if the posts are used in ways inconsistent with their intended purpose.
13. Legal Jurisdiction: This warranty is governed by the laws of the Republic of Ireland. Please keep a copy of the proof of purchase, the original warranty registration form, proof of registration fee payment, and this warranty document for your records. For warranty inquiries and claims, please contact McNamara Fencing at the provided contact information. By registering for this warranty, paying the registration fee, and utilizing Formula 7® fence posts, you acknowledge that you have read, understood, and agreed to the terms and conditions outlined in this warranty
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