10 Yr Warranty

AOV Access Smoke Vent To fit Builders Upstand

From £1,242.90£1,035.75 (ex. VAT) (ex. VAT) (inc. VAT) (inc. VAT)
£1,325.76£1,104.80 (ex. VAT) (ex. VAT) (inc. VAT) (inc. VAT)
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Item in Stock | Free Next Working Day Delivery (Mon-Fri)

Want it by Tuesday 28th September? Order within 2 days, 17 hours, 25 minutes and choose FREE Delivery to most of UK (Mon-Fri) at checkout.

Product Details
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Delivery & Returns

Access smoke vents open for access, as well as serving the main purpose of an AOV smoke vent.

This particular model is designed to be fitted to a builder's upstand. It has an offset actuator which provides a sufficient clear opening to allow access to your roof.

Our AOVs are fully tested and certified in accordance with BS EN 12101-2, meeting standards for safety, security, non-fragility and fire safety with the full guarantee of an established, accredited UK manufacturer.

Fully certified to approved document B, automatically opening and extracting smoke in the event of a fire.

Please note that as this is a bespoke assembled product, returns are not accepted. Please ensure you select the correct size.

Certification and Regulatory Information

Fire rating - achieves Class B-s1, d0 to BS EN 13501:Part 1 and deemed BROOF(t4) to BS EN 13501: Part 5 by Building Regulation
72 hour battery back up in the event of power cut
Triple glazed polycarbonate option complies with Part "L", giving a high thermal performance and resistance to condensation
Safety - achieving Class B non fragility to ACR[M]001
The polycarbonate skin lid with an impact resistance to EN1873 1200 joules and Class B non-fragility in accordance with ACR[M]001
Opens to 140° in less than 60 seconds complying the requirements of the new Smoke Vent Standard BS EN12101-2

Operation and Options

Optional control panels, smoke detectors, fireman’s switches and manual control points available
Control panel can be activated from: manual override switches, by dedicated smoke detectors or through integration with existing smoke detection and/or fire alarm systems
Can be integrated into any building management system
Features back up battery to ensure operation in the event of no mains power

General Information

Suitable for residential and commercial buildings
Extremely secure, with concealed individual fixings within security caps
Hinged long side (where applicable)
10 year guarantee
CE Marked
Designed to last in excess of 20 years under normal conditions

How to measure DF Kerb version

Aerodynamic free area - AOV Smoke Vents with DF Kerb
Smoke Vent Size (Note: Rectangular Sizes are Hinged on the Long Side)	*Daylight free area Size**	Roof opening area (m²)	Standard (no Wind deflectors)
	*Daylight free area Size**	Roof opening area (m²)	C_v	A_a m²
1050 x 1050mm	900 x 900mm	0.81	0.48	0.39
1200 x 1050mm	1050 x 900mm	0.95	0.46	0.43
1200 x 1200mm	1050 x 1050mm	1.10	0.47	0.52
1350 x 1050mm	1200 x 900mm	1.08	0.44	0.48
1350 x 1200mm	1200 x 1050mm	1.26	0.45	0.61
1350 x 1350mm	1200 x 1200mm	1.44	0.40	0.67
1500 x 1050mm	1350 x 900mm	1.22	0.42	0.51
1500 x 1200mm	1350 x 1050mm	1.42	0.43	0.61
1500 x 1500mm	1350 x 1350mm	1.82	0.45	0.83
1650 x 1050mm	1500 x 900mm	1.35	0.40	0.54
1650 x 1200mm	1500 x 1050mm	1.58	0.41	0.65
1650 x 1350mm	1500 x 1200mm	1.80	0.42	0.76
1650 x 1500mm	1500 x 1350mm	2.03	0.38	0.76
1650 x 1650mm	1500 x 1500mm	2.25	0.44	0.99

Abbreviations: A_{a = Aerodynamic Free Area,}_{C_{v =}Coefficient flow}
Mardome Trade Electronically Operated Access Smoke Vent Rooflights are individual polycarbonate domes intended for easy installation on flat roofs of all modern building types to provide natural smoke and heat exhaust, as well as comfort ventilation and access.

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Free Next Working Day Delivery on all stock items being sent to UK Zones A&B

The lead times and delivery service are displayed against each product, just below the price.
We will continue to send items on a Next working day delivery, but please accept delivery might take longer, this is out of our control.

Please note, for certain products and delivery zones we can offer AM deliveries and Saturday Deliveries, if available, you'll be able to select and pay for these options via the checkout.

Delivery Charges will be applied for deliveries to geographical areas represented as Zones C, D and E:
This includes certain parts of Scotland, Scottish Islands, Northern Ireland, Channel Islands and IOM)

Returns:
You can return a standard product (most access panels and loft hatches) within 14 days of receipt. Roof domes, Roof Lights, Roof Hatches and AOV Smoke Vents will be subject to a collection restocking fee.
Please note Made to measure products cannot be returned.
Click here to download a return form.

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