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Noise · Survey

Motor noise at night

Updated

The motor end of a roller shutter box, a bronze roller shutter nearly closed, on a flat with a glazed balcony door, late afternoon light and long shadows. Wide view of the whole elevation.

Tube motors are quieter than people fear and louder than a nursery wall should have to hear if the box is on the bedroom reveal. Ask for a running sample, and do not put the noisiest drive on the smallest bedroom.

What the wall will allow

End-of-travel bumps are the usual complaint, and they are adjustable on a decent motor.

A worked pane

The worked opening for Motor noise at night is 0.9 m wide by 2.1 m high, 1.89 square metres of glass. This figure puts 620 watts per square metre on the pane and uses a g-value of 0.76, about 891 watts into the room if the curtain is up. An opaque external shutter, taken as stopping 90 percent of that gain while it is fully down, leaves about 89 watts and keeps about 802 watts out. That is a noon figure for comparison. An internal blind does not get the same reduction. For Motor noise at night, use the noon figure to compare two openings on the same house, then let a measured survey replace the figure.

An internal blind does not get that reduction, because the energy has already crossed the glass.

After dark

Winter figure for Motor noise at night: glass at 2.6 W/m2K, 1.89 square metres, a 12 degree inside-outside gap and eight night hours. The bare pane is about 0.47 kWh a night on that crude sum. A closed shutter cutting about 30 percent of the flow leaves 0.33 kWh and saves about 0.14 kWh a night, only while it is down. Open it when you want winter sun.

Stop conditions

Stop Motor noise at night if the frame cannot take a guide and the wall beside it is crumbling. A photograph is not a manufacturing size.

Southampton is only a setting for Motor noise at night. The streets there are not the product.

How to use the figure

The 0.9 by 2.1 metre opening inside Motor noise at night is there so a quote has something to disagree with. If the tape gives a different size, the tape wins.

The example drive is a solar motor, and the illustration is £2,031. A belt, a wired motor and a solar motor can share a curtain and still be different jobs. Compare those lines, not a single bold total.

What the survey still has to write down

For Motor noise at night, ask where the box lands, what colour reference will be ordered, and how the curtain opens when the motor is dead. Those three answers move the job more than a rounded price.

Leave the lantern, the side light and the next elevation off the order unless they are drawn. Motor noise at night covers one kind of opening. The house may have three.

When I would not order yet

Motor noise at night should wait if the opening is an escape door with no way to raise a dead motor, or if the front is the elevation a conservation area was drawn to protect.

A photograph is not a manufacturing size. Two quotes for Motor noise at night only compare when the slat, the box and the drive are the same kind of thing.

Questions worth asking the fitter

Is the price on this page a quote?

No. £2,031 illustrates Motor noise at night for a 0.9 by 2.1 metre opening with a solar motor, at September 2026 rates. Your survey replaces it.

Does the shutter cover every pane?

It covers the opening it is built for. Here that example is 1.89 square metres. A roof lantern, a side light or the next elevation is another line.

What if planning is unclear?

Do not pay the factory for Motor noise at night until a listed building, a conservation front, a flat or a shopfront has a written answer. Ordinary rear walls on houses are sometimes simpler.

What should two quotes share?

The same openings, the same slat type, and the same drive. Motor noise at night uses a solar motor in the example so you can see how much the motor choice moves £2,031.

Sources