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Areco Flat Roof Vents

Areco has been designing and supplying roofing accessories, including flat roof vents, to the roofing industry for over 30 years. With a nationwide customer base, competitive prices and excellent service we are a major force in the roofing supplies and accessory market. We offer spun aluminium roof vents and and polypropylene roof vents.

More info on Flat Roof Vents
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3 Flat Roof Vents products available to buy online.

Aluminium A Roof Vent

Aluminium A Roof Vent

£11.56

incl. VAT

Flat roof moisture release vent.

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Aluminium Mega Roof Vent

Aluminium Mega Roof Vent

£30.82

incl. VAT

Flat roof moisture release vent.

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Extra Aqua Breather Roof Vent

Extra Aqua Breather Roof Vent

£8.52

incl. VAT

Flat roof polypropylene moisture release vent.

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Preparation before installation

New Roofs:
Moisture is present in most roofs. A newly screeded concrete deck takes a long time to dry out thoroughly and when the deck is waterproofed, residual moisture from the screeded concrete is trapped with no means of escape.
The installation of Breather Vents in the waterproofing layers of the roof allows this trapped moisture to escape, thus alleviating the problems caused by:-
(1) Blisters in the asphalt or felt roof covering.
(2) Expansion and contraction stress on the weathering membrane.
(3) Subsequent ceiling level condensation.

Existing Roofs:
Where an existing roof covering has failed and moisture has penetrated the roof structure, Breather Vents should be installed with the replacement waterproof membrane (felt or asphalt). They will assist in clearing the excess moisture and continue to act in relieving vapour pressure subsequently.
Damp timber roof decks still require any repairs to be completed before re-roofing commences.
For felt roofs, the performance of the Breather Vent will be improved by the use of a proprietary partial bonded base layer or a vented felt. Both provide a better flow of vapour laden air to the Breather Vents.

Method of installation

Felt Roofing
A hole should be cut in the base layer and insulation, diameters as follows:
Extra Aqua Vent 210mm
Aluminium A. Vent 180mm
Aluminium Mega Vent 180mm
Place the vent base over the hole and dress subsequent layers of felt over the base and up the neck. The cap can then be secured to the base.

Asphalt Roof
Place the vent base in position and trim sheathing felt around the base plate. Apply minimum two coats of asphalt over the box and dress around the neck of the vent. The vent cap can then be secured to the vent base.

Priming of the vent bases in contact with the waterproofing membrane is recommended

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