Scivoli di ventilazione della soffitta, la ventilazione della tua soffitta ne richiede?

Leave a comment

House attic vent chutes (also called baffles or rafter vents) play an important role in your attic ventilation system.

They serve three functions:

provide unobstructed air passage between the soffit and the attic
allow installation of attic floor insulation close to the soffit, without worrying about clogging the soffit ventilation ports with insulation
allow for sufficient accumulation of insulation right above where your house ceiling meets the exterior wall, thus limiting air exchange between the living space and the attic
However, your attic can also have a perfect air circulation without the vent baffles, in some cases they might be even useless (houses with no soffits or no soffit vents don’t have any use for them) – it all depends on the attic ventilation design and insulation of the attic floor.

Soffit – the exposed underside of the roof section overhanging house wall

So, how do you find out if your attic is properly ventilated, and if you need any vent chutes?

Unfortunately, you have to have your attic examined (not that this is the only reason to visit your attic periodically), and if your climate includes a cold season, pick one of the coldest days for this purpose. This way, you’ll be able to spot many more attic problems than while doing it on a warm day.

Attic vent chutes come in two popular flavors – cardboard and foam (looks like a compressed Styrofoam), and variety of colors. Most typical sizes are 16″ and 24″ to match open space between the roof framing members.

They are shaped in such way that can be stapled to the roof decking along its edges, which is an easy task if installed on a new construction, without the ceiling drywall below. Vent chutes can be also installed by sliding them between the insulation and the roof decking. Sliding part might be hard in some cases because of the roofing nails sticking out of the decking, low clearance, and insulation of course.

Attic vent chutes are very useful with a blown-in type insulation.
Blown-in or any loose / poured type of the attic floor insulation isn’t as easy to control as blankets and other compacted / formed into a shape insulation types. Without vent chutes, the insulation can fall into the soffit, or it is often blown by air drafts from the area near the soffit deeper into the attic.

This exposes attic floor, and allows warm air from the living area below to migrate into the attic and condensate on the roof decking surface (cold season). This situation can be avoided by placing short pieces of batt insulation in the area closest to the soffit, and then filling up the rest of the floor cavity with blown-in type insulation, or by installing a vent chute.

With already installed blanket, batt, rolled type of attic insulation stuffed to far into the soffit, you’d need to pull it back into the attic so you have enough room between the roof decking and the insulation for sliding the vent chute into that space.

Don’t push the vent baffle all the way down into the soffit, this is not necessary, it just has to go slightly deeper than the insulation directly beneath it. After placing the vent chute against the roof decking (staple it if you can), push the pulled insulation firmly back into the space, but without crushing the vent chute.
Attic vent chutes in cathedral ceilings
If there are no vent chutes installed and the insulation has been packed tight into the rafter space, you’ll most likely end up with mold, and not much can be done without serious remodeling.

In some cases, installed vent chutes might create problems – a very common issue is when the bathroom vent discharges into the soffit (International Building Code does not allow it, but some jurisdictions do… for some unexplained reason). With the vent chute installed close to the bathroom vent discharge register, the warm and humid air will often find its way back into the attic and often result in condensation + mold growth.

How many vent chutes do you need?

If you go to your attic, and against all odds everything looks perfect:

there’s no moisture stains on roof decking and framing
no corrosion or roofing nails sticking through the decking
no dripping condensation stains on the attic floor insulation
no mold residue
you most likely don’t need any vent chutes.

If you did notice any of the problems listed above, you’d have to start investigating, and attic vent chutes installation might be a way to solve your problems. You can start from installing them only in the areas where you observed some obvious ventilation issues.

You can also fill every single rafter / truss space with a vent chute just to be on a safe side, but before you do that, make sure that your house has a soffit with existing and open vents.

No matter how many vent baffles you’ll install, they won’t work if the soffit vents are clogged or if they don’t exist at all – seeing a soffit vent register on the house exterior does not necessarily mean that it is open. It might be sealed with several coats

Gone are the days when vent covers were just meant for covering the vent. These days, you can also have them both look good and to be functional. Wood vents provide good options to enhance the whole décor of the house. Besides being functional, these contemporary styled covers provide an impeccable touch of glamour to a home. From stone versions to exquisite designs in wood and even bamboo, mahogany, teak, cedar, cherry or oak, there are covers for air return vent and complimentary wall supply to meet varied individual likings.

If you have been looking around to cover those vents beautifully, you have a chance to appreciate durability and quality with these modern covers for vent. Stone versions of these covers are apt to meet the demands of vents especially in the kitchen, bath, or sundeck area. On the other hand, wooden covers are the hot choice when it comes to the flooring of the living room.

Shopping for beautiful wall registers is an important element of home improvement to complement one’s style statement. There are different versions of vent covers and registers for walls to meet both the household and commercial needs. You can opt them in any size or pattern of your choice. Vendors can even custom design them to perfectly fit into or integrate with your wine room, coolers, jacuzzi, sauna, boats, cabinet doors, drop ceilings, and other cabinet panels.

One should take care to use a safe product to clean these covers and registers to enhance their longevity. Ceiling vents apart from adding class and elegance also augment the value of the property. Grate style, laser designs, louvered design and stone vents are in vogue these days.

if you wish to accentuate the beauty of your house by adding these vents or registers, there are many online vendors who can assist you in making an informed choice of these products. You need to delineate your needs to them so that they can provide you a solution to match your requirements. They usually need the wood choice, the opening size you want to cover and any overall size may also be helpful.

Leave a Reply

Your email address will not be published. Required fields are marked *