HPI
Yard Guard Deck-Lock 18' x 36' Mesh 99 Safety Cover with Step - 3' x 3' Grid
18' x 36' Mesh 99 Safety Cover with Step - 3' x 3' Grid
3' x 3' grid safety cover for a rectangular inground pool with a 4' x 6' step centred on one end.
The Yard Guard Deck-Lock 18' x 36' Mesh 99 Safety Cover with Step - 3' x 3' Grid is manufactured by HPI, a Canadian company, and designed for a 18' x 36' rectangular inground pool with a 4' x 6' step centred on one end. Its tighter-weave Block Mesh 99 material provides 99% sun blockage, helping reduce algae growth and sediment build-up while providing dependable seasonal pool protection.
Key Features
Configured for a step centred on one end of a rectangular pool.
Block Mesh 99 features a tighter weave that provides 99% sun blockage, helping reduce sunlight penetration, algae growth and sediment build-up beneath the cover.
Tighter grid configuration distributes load through the cover and anchor system.
Rub strips help reduce wear where the cover contacts pool coping.
Includes springs, anchors, installation rod, hex key and tamping tool.
Fits common rectangular pool configurations with corner radiuses up to 2'.
Available in Blue, Green, Gray and Tan.
Built for Strength
HPI safety covers use approximately 40% more webbing than many competing covers, with webbing running throughout the underside for added strength and support. HPI testing also reports the webbing itself to be 20–30% stronger. More webbing. Stronger webbing. Better construction.
Sizing & Fit
Pool size: 18' x 36' rectangular inground pool
Step: 4' x 6', centred on one end
Grid: 3' x 3'
Corner Radius: Common rectangular pools with corner radiuses up to 2' are compatible with this stock cover.
Step: This cover is designed specifically for a 4' x 6' step centred on one end of the pool. Pools with a step of a different size or in a different location require a custom-measured safety cover.
Pool Size & Shape: This stock cover is designed specifically for the pool dimensions and rectangular shape shown in this listing. If your pool does not match the listed dimensions and shape, a custom-measured safety cover is required. Using a stock cover on a pool that does not match the specified dimensions or shape will void the warranty.
Other Pool & Deck Features: Pools with raised walls, waterfalls, obstructions, or multi-level decks require a custom-measured safety cover.
Specifications
| Manufacturer | HPI - Canadian company |
| Product Line | Yard Guard Deck-Lock |
| Pool Size | 18' x 36' |
| Step Configuration | 4' x 6' step centred on one end |
| Grid | 3' x 3' |
| Material | Mesh 99 |
| Colours | Blue, Green, Gray and Tan |
| Colour Availability | Blue and Green are in-stock colours. Gray and Tan typically require 3–5 business days before shipping. |
Frequently Asked Questions
This cover is configured for a 4' x 6' step centred on one end of the pool. A different step size or location requires a custom-measured safety cover.
It describes the tighter reinforced grid configuration used to distribute load across the cover and anchor system.
No. Freeform pools and pools with obstructions within 18" of the pool edge require a custom safety cover. Using a stock cover on a pool that does not match the specified dimensions or shape will void the warranty.
Blue and Green are in-stock colours. Gray and Tan typically require 3–5 business days before shipping.
Verify the main pool dimensions and rectangular shape, 4' x 6' step dimensions and location, and confirm corner radiuses do not exceed 2'. Pools with raised walls, waterfalls, obstructions, or multi-level decks require a custom-measured safety cover. Contact Ultimate Pools if you need help confirming the configuration.
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