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MAPM90104
70mm Round Soffit Vent Brown M901
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70mm Round Soffit Vent Brown M901
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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£0.44
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£0.37
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Description
Reliable Roofline Ventilation with the 70mm Round Soffit Vent Brown M901
Trapped moisture inside an unventilated roof space presents one of the most frustrating challenges for property owners and roofing contractors alike. Warm, humid air from daily household activities naturally migrates upward into the attic. When that moisture collides with cold timber joists and felt lining, condensation rapidly develops. Left unchecked, stagnant moisture leads to rot, damp insulation, and structural decay that requires disruptive remedial building work. The traditional alternative of replacing complete eaves runs with specialised vented boards can be unnecessarily expensive and labour intensive, particularly when working with existing fascias that remain structurally sound.
The 70mm Round Soffit Vent Brown M901 solves this fundamental moisture challenge by providing a quick, cost effective ventilation route directly through your existing eaves. Designed specifically to slot smoothly into soffit boards, this push fit disc delivers immediate passive airflow into the roof void while preserving the clean appearance of your exterior timbers or modern uPVC panels. Its smart circular design allows fitters to introduce balanced cross ventilation exactly where it is needed most without having to rip down existing boards or disrupt the roofing fabric.
Manufactured from robust external grade brown plastic, this round soffit ventilator grille blends effortlessly with woodgrain finishes, dark oak timbers, and contemporary brown fascias. The internal grille pattern is carefully calibrated to promote open airflow while acting as a dependable physical barrier against unwanted wildlife. By preventing birds, nesting rodents, and large insects from penetrating the roof void, it maintains a clean, well ventilated attic space that easily satisfies modern building practice.
Step by Step Installation and Operational Workflow
Stage 1: Eaves Survey and Spacing Layout
Begin by inspecting your eaves line to establish spacing intervals across the run. Where standard roof designs require a continuous 10mm airflow equivalent, calculating uniform centres across the soffit board ensures smooth cross ventilation from one side of the attic to the other.
Stage 2: Precision Aperture Preparation
Use a clean 70mm hole saw to core through the soffit board at your marked intervals. Whether drilling into unplasticised timber or lightweight uPVC, a dedicated hole saw creates clean circular openings free of jagged edges, preparing the aperture for an immediate friction fit.
Stage 3: Push Fit Grille Engagement
Align the 70mm Round Soffit Vent Brown M901 flush with the underside of the newly cored hole and push it firmly upward into place. The integrated side ribs compress smoothly against the inner rim of the cut hole, locking the ventilator tightly in position without requiring messy adhesives or screw fixings.
Stage 4: Long Term Maintenance Free Protection
Once installed, the grille goes straight to work delivering uninterrupted air circulation across cold eaves zones. Its UV stable brown plastic resists cracking, flaking, and discoloration under severe British weather conditions, providing long term pest defense without any recurring upkeep.
Key Features and Everyday Advantages
Choosing the right eaves ventilation component means balancing installation efficiency with durable outdoor performance. Here is how this dedicated circular grille delivers real world benefits to roofers and homeowners alike.
- Effortless Retrofit and New Build Flexibility: The ventilator can be slotted into boards prior to high level fitting or easily retrofitted into established rooflines from a ladder or scaffold platform.
- Effective Insect and Bird Deterrence: Finely spaced grille slots permit ample passage of air while securely blocking large flying insects, wasps, starlings, and sparrows from nesting in eaves voids.
- Clean Aesthetic Finish: The neutral brown colouring harmonises naturally with brown uPVC, treated timber, mahogany, and stained wood fascias, leaving a neat, professional finish across the entire elevation.
- Tool Free Mechanical Hold: The clever push fit outer casing negates the need for screws, nails, or silicone sealant, eliminating the risk of accidental glue drips or visible screw heads on your soffit panels.
- Rot and Condensation Control: By introducing steady air movement along the perimeter of the roof, the ventilator works continuously to clear moisture laden air, preventing mould blooms on loft timbers.
Technical Specifications
| Specification | Rating or Standard | Practical Details |
|---|---|---|
| Product Model | M901 Series | Round disc soffit ventilator grille |
| Diameter Dimensions | 70mm Diameter | Requires a matching 70mm circular hole saw cut |
| Mounting Mechanism | Direct Push Fit | Friction locking outer rim, no mechanical screws needed |
| Primary Material | Exterior Moulded Polymer | UV stable brown plastic resistant to weather degradation |
| Airflow Target Application | Continuous 10mm Equivalent | Achieved by calculating staggered centre to centre spacing |
| Wildlife Protection | Integrated Pest Barrier | Grille pattern stops ingress of birds and larger insects |
| Packaging Unit | Single Unit | Sold individually to suit tailored project counts |
Need Assistance With Your Ventilation Project?
If you are unsure whether the 70mm Round Soffit Vent Brown M901 satisfies your specific roof build requirements, our knowledgeable technical team is ready to help you plan your hardware order.
Contact Our Team TodaySpecification
| Finish | Brown |
|---|---|
| Dimensions | 70mm dia |