In outdoor installations, the primary enemy of functionality is moisture ingress. A showerproof housing provides a specialized enclosure designed to meet IP (Ingress Protection) standards, specifically targeting protection against vertical or angled water spray. Unlike fully submersible airtight boxes, a showerproof housing is engineered to remain breathable enough to prevent internal condensation while ensuring that rainfall and splashes cannot reach sensitive internal components like relay boards, power supplies, or terminal blocks.
Constructed from high-impact, UV-stabilized polymers, it is built to withstand prolonged exposure to sunlight without becoming brittle. This makes the industry standard for mounting garden lighting controllers, pond pump timers, and external Wi-Fi access points where the hardware needs to stay dry but remains accessible for maintenance.
Unlike standard junction boxes, a true showerproof housing is designed with “managed protection” in mind. It utilizes high-impact, UV-stabilized polymers—typically ABS or Polycarbonate—to prevent the enclosure from becoming brittle or discolored after years of direct sun exposure. The “showerproof” designation (typically ranging from IP44 to IP66) indicates that the showerproof housing has been laboratory-tested to withstand water spray, driving rain, and splashing from any angle. This makes it the professional’s choice for mounting hardware on exterior walls, fence lines, or near water features where moisture is a constant variable.
Why a Dedicated Showerproof Housing is Essential
Using a standard indoor junction box outdoors is a recipe for system failure. A true showerproof housing incorporates specific design features to manage the unique challenges of an exterior environment.
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IP44 to IP55 Rated Protection: The showerproof housing is tested to resist water splashes from any direction and limited dust ingress.
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UV-Stabilized ABS or Polycarbonate: Ensures the showerproof housing maintains its structural integrity and color under direct sunlight.
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Rubberized Gasket Seals: High-quality silicone or EPDM gaskets provide a compressed seal between the lid and the base.
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Knockout Cable Entries: It features pre-molded points for easy drilling, compatible with standard M20/M25 cable glands.
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Captive Lid Screws: Most showerproof housing models use stainless steel, non-corrosive screws that stay attached to the lid during installation.
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Integrated Mounting Pillars: Internal bosses allow for the easy mounting of DIN rails or PCB spacers directly into the showerproof housing.
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Compact & Discreet Design: Available in neutral tones like Grey, White, or Black to blend seamlessly into exterior walls or fence lines.
Technical Specifications of Showerproof Housing
| Feature | Specification |
| Material Build | UV-Resistant ABS Thermoplastic or Polycarbonate. |
| IP Rating | IP44 (Splash-proof) to IP65 (Jet-proof) options. |
| Temperature Range | Operates effectively from -20°C to +85°C. |
| Impact Rating | IK07 – IK08 High-impact resistance. |
| Closure Type | Screw-down lid with internal perimeter gasket. |
Best Practices for Outdoor Installation
To maximize the effectiveness , orientation is key. We recommend mounting vertically, with cable entries positioned at the bottom. This creates a “drip loop” that encourages rainwater to fall away from the seals rather than pooling around them.
When installing high-power components like a multi-purpose relay board inside the showerproof housing, ensure there is sufficient internal volume for heat dissipation. If the enclosure will be placed in a high-humidity area, adding a small sachet of silica gel inside can help manage residual moisture and prevent “sweating” during temperature fluctuations. Secure your outdoor tech with a showerproof housing that offers professional-grade protection and peace of mind.
The Showerproof Housing is a robust and reliable protective enclosure designed to shield your equipment from rain, dust, and environmental exposure. Engineered for durability, this housing ensures that your devices remain fully operational even in wet or harsh conditions. Its precise design offers a secure fit for the KP1000, KPX1000, and KPX2000 RAINSHIELD models, combining protection with easy accessibility, so you can confidently deploy your devices outdoors without worry.
Ideal for outdoor installations, industrial applications, and professional monitoring systems, this showerproof housing protects sensitive electronics from corrosion, moisture, and wear over time. Lightweight yet sturdy, it allows for quick installation while providing long-term reliability. Whether you are safeguarding security cameras, sensors, or other electronic devices, this housing ensures that your equipment remains safe, functional, and weather-resistant, making it a practical choice for both commercial and personal use.











Oscar (verified owner) –
Good quality.
Olivia (verified owner) –
Good value and decent quality. They look lovely fitted and go perfectly in my 1930 home
Ava (verified owner) –
Excellent replacement to the one we had. Fitted as expected and works brilliantly.
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Great company. Really nice clear website. Products price and better quality than amazon. They even have full technical dimensional CAD drawings for all products so you know exactly what you are getting! Just great will return again.
George (verified owner) –
Excellent quality, exactly what I was after in every way! Thank you. Would recommend to all and the delivery was super speedy too! XX
William (verified owner) –
Good quality product for a reasonable price. Very happy with it.
George (verified owner) –
Kept fully updated about delivery date and time. Drop down hanging rails arrived on time, in perfect condition.
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The quality is exceptional, and the delivery was swift. The items were easy to use and very reliable. Great value for money.
Oliver (verified owner) –
Great company. Really nice clear website. Products price and better quality than amazon. They even have full technical dimensional CAD drawings for all products so you know exactly what you are getting! Just great will return again.
William (verified owner) –
Also received a friendly follow up call from Rob, to ensure all the products had arrived and check I’m happy with everything.
Olivia (verified owner) –
Excellent quality and best price on the internet Five stars From me
William (verified owner) –
Product ordering was easy and simple as always from Metalix Hardware.